PubChem News

PubChem Classification Browser

PubChem — Fri, 05 Oct 2012 13:40:18 -0400

Use the new PubChem Classification Browser to browse PubChem data using a classification of interest, or to search for PubChem records annotated with the desired classification system and term. Illustrated examples of search results for PubChem Compounds classified as methotrexate, and for PubChem BioAssays that tested protein targets involved in DNA repair, are available in the help document.

PubChem Widgets: Show data your way

PubChem — Mon, 01 Oct 2012 11:36:05 -0400

Show data your way with the new PubChem Widgets. Display concise tables of patents, bioactivities, and literature for PubChem data in your web pages with three easy steps. See the help document for details and examples of the data views available.

SCRIPDB deposited structures in PubChem

PubChem — Wed, 19 Sep 2012 14:31:01 -0400

More than 6 million structures from SCRIPDB are now available in PubChem. Extracted from the complex work units of more than 300,000 USPTO patents between the years of 2001-2012, these PubChem Substance records link to both SCRIPDB and the USPTO websites. A full text article describing the SCRIPDB project is available in PubMed Central.

PubChem HTTPS compatible

PubChem — Mon, 17 Sep 2012 15:24:53 -0400

PubChem databases and services are now Hypertext Transfer Protocol Secure (HTTPS) compatible, allowing one to use encryption in their interactions with PubChem.

The PUG REST 1.0 release

PubChem — Thu, 13 Sep 2012 14:01:28 -0400

The PUG REST 1.0 version is now available! It is a REST-style interface for accessing PubChem data and services through simple HTTP requests, for use in scripts, javascript embedded in web pages, and 3rd party applications, without the overhead of XML, SOAP envelopes, etc., that are required for other versions of PUG. PUG REST can deliver customized output for individual PubChem records, or for small sets of records, in a way that is not possible with other PubChem services. For example, it can retrieve specific data elements, such as molecular weight or a chemical structure image, for a molecule of interest without having to download its full record. PUG REST can also accept a variety of input types, such as chemical name, InChIKey, SMILES, and more, in addition to the traditional SID, CID, and AID numeric identifiers. The PUG REST help document provides technical specifications for the syntax of HTTP requests and the available functions, and a new tutorial provides some examples on how PUG REST can be used. PUG REST 1.0 replaces the April 2012 beta release and represents the stable final form of the tool. While new features may be still added, changes will be backward-compatible.

PubChem's 8th BDay

PubChem — Wed, 12 Sep 2012 08:17:30 -0400

PubChem reaches milestones on 8th birthday! More than 100 million live records are now available in PubChem Substance, and nearly 200 million outcomes are available in PubChem BioAssay, representing contributions from more than 200 depositors that have joined the PubChem project since its launch on September 16, 2004.

PubChem added Gene Ontology (GO) in BioAssay summary

Pubchem — Tue, 05 Jun 2012 17:33:55 -0400

The PubChem BioAssay summary pages now display the Gene Ontology (GO) classification of the gene/protein target(s) that were tested by the bioassay. The GO terms are associated with each gene/protein in an automated way as part of the biosystems database data processing procedures, using the method described in the Biosystems help document. All GO terms that apply to the gene(s)/protein(s) tested by the bioassay are shown in the GO hierarchy, including: (1) biological processes, (2) cellular components, and (3) molecular functions. Clicking on any GO term in the hierarchy will retrieve all bioassays that have tested a protein(s) associated with that term. As an example, see the GO terms for the protein target that was tested by the glucocorticoid receptor (GR) redistribution assay (AID 450).

In addition, the PubChem BioAssay data summary for a compound now displays a graphical summary of the bioassays that have tested the compound, categorizing the bioassays by: (1) bioactivity outcomes (active, inactive, inconclusive, unspecified); (2) top targets; (3) bioactivity types (IC50, EC50, Potency, Ki, etc.); (4) bioassay types (screening, confirmatory, summary, other). The bar graphs are clickable and serve as filters to display data from the selected category, refreshing both the bar graphs and the tabular summary of bioassays to reflect the data subset you have selected. As an example, see the bioassay data summary for aspirin (CID 2244).

PubChem PUG REST beta release

PubChem — Tue, 24 Apr 2012 14:11:51 -0400

PubChem PUG REST a RESTful web interface to PubChem data and services. Documentation and examples are available athttp://pubchem.ncbi.nlm.nih.gov/pug_rest/ . This service is considered to be in a beta state right now, meaning it is under active development and some changes may occur but the interface should be mostly stable. The purpose of this beta release is to make some basic functionality available now, and to invite feedback from the PubChem user community. Please try it out and tell us what you think; contact pubchem-help@ncbi.nlm.nih.gov with questions, problems, or suggestions for new features.

Therapeutic Target Database deposited structures in PubChem

PubChem — Tue, 21 Feb 2012 16:57:53 -0400

Structures from the Therapeutic Target Database (TTD) are now available in PubChem.

Therapeutic Target Database (TTD) is a database to provide information about the known and explored therapeutic protein and nucleic acid targets, the targeted disease, pathway information and the corresponding drugs directed at each of these targets. Also included in this database are links to relevant databases containing information about target function, sequence, 3D structure, ligand binding properties, enzyme nomenclature and drug structure, therapeutic class, clinical development status. All information provided are fully referenced.

IBM contributed structures in PubChem

PubChem — Thu, 08 Dec 2011 18:18:00 -0400

More than 2.5 million structures from the IBM BAO (Business Analytics and Optimization) strategic IP insight platform (SIIP) are now available in PubChem, aggregating data from millions of patents and from the scientific literature through the year 2000. The chemical substances were extracted from the textual content, images, and symbols in patents and literature. The PubChem records link to the IBM web site, where files that list the patent numbers and PubMed IDs for each substance can be downloaded. See more related news...

PubChem compound and substance summary updated

PubChem — Wed, 05 Oct 2011 11:22:16 -0400

PubChem updated the compound and substance summary pages to load faster, to include dramatically expanded biomedical annotation, and to give an updated look and feel. For example, the PubChem Compound summary page for aspirin (CID 2244).

PubChem3D added as a new layer

PubChem — Mon, 03 Oct 2011 15:20:56 -0400

A new layer called PubChem3D is added to PubChem to assist with interrelating diverse chemical structures with similar biological efficacies against targets. As a part of this, PubChem computes a 3-D conformer model description for records in the PubChem Compound database when possible (92% of all records when considering the parent compound of salts). A pre-computed search per compound record gives immediate access to a set of 3-D similar compounds (called "Similar Conformers") in PubChem and their respective superpositions. Systematic augmentation of PubChem resources to include a 3-D layer provides users with new capabilities to search, subset, visualize, analyze, and download data. For additional information, please visit the PubChem3D thematic series with the (BMC) Journal of Cheminformatics: http://www.jcheminf.com/series/pubchem3d.

PubChem growth in 2011

PubChem — Fri, 12 Aug 2011 16:00:51 -0400

PubChem in 2011 - Growth Continues

PubChem's information content continues to increase. As of August, 2011, deposited substance records have reached 85 million, representing to over 30 million chemically unique compounds. Deposited bioassay records have reached 500 thousand, representing over 130 million experimental bioactivity results. New substance and bioassay records continue to be deposited, and the PubChem team expects that the steady growth in content and usage seen over the past 7 years will continue.

AmicBase deposited substances in PubChem

PubChem — Wed, 10 Aug 2011 12:27:28 -0400

Structures from AmicBase are now available in PubChem.

PubChem's new data retrieving tool released

PubChem — Wed, 08 Jun 2011 16:27:45 -0400

PubChem is now providing an enhanced bioactivity analysis tool for retrieving bioassay data for a chemical. The tool can be accessed at http://pubchem.ncbi.nlm.nih.gov/assay/assay.cgi?cid=myCID for a given CID or http://pubchem.ncbi.nlm.nih.gov/assay/assay.cgisid=mySID for a given SID.
E.g. For CID 2244, the link is: http://pubchem.ncbi.nlm.nih.gov/assay/assay.cgi?cid=2244

To find out a CID associated with bioactivity data, you may follow the URL at http://www.ncbi.nlm.nih.gov/pccompound?term=pccompound_pcassay_active[filt]. Similarly, to find out a SID associated with bioactivity data, you may follow the URL at http://www.ncbi.nlm.nih.gov/pcsubstance?term=pcsustance_pcassay_active[filt]. You may also go to the advanced search page for PubChem Compound database or Substance database, and followed by making a choice in the "BioAssays" section and clicking the "Go" button.

PubChem Identifier Exchange Service released

PubChem — Fri, 27 May 2011 20:46:38 -0400

PubChem released the Identifier Exchange Service. For more information, click here.

The BioAssay data specification updated

pubChem — Mon, 23 May 2011 18:05:32 -0400

The BioAssay data specification has been updated. The changes include:

New units in PC-ResultType to facilitate DMPK data submission.
A new element "type" in PC-AnnotatedXRef to record primary citation to advertise primary publications of the depositors and the bioassay results.
A new element "type" in PC-AssayDRAttr to record experimental vs. calculated dose-response data points.

Please review the update at ftp://ftp.ncbi.nlm.nih.gov/pubchem/data_spec.

PubChem released two new data analysis tools

PubChem — Mon, 11 Apr 2011 10:46:08 -0400

PubChem released two new data analysis tools for the bioassay services - Target and Compound/Substance views for the BioActivity Analysis service. These new tools together with the original bioassay view component will allow users to explore bioactivity data from molecular target, chemical structure, and biological experiment perspectives. For more information, see the related section in the help page.

A new depositor from Calicut University

PubChem — Thu, 17 Mar 2011 23:01:02 -0400

Structures from Immunology Lab, Department of Biotechnology, Calicut University are now available in PubChem.

AKos deposited substances in PubChem

PubChem — Tue, 15 Mar 2011 19:47:53 -0400

Structures from AKos are now available in PubChem.

DRSC deposited RNAi data in PubChem

PubChem — Tue, 22 Feb 2011 13:07:45 -0400

RNAi screening data and substances from the Drosophila RNAi Screening Center (DRSC) are now available in PubChem.

Substance vendor - ABI Chem in PubChem

PubChem — Tue, 22 Feb 2011 13:00:24 -0400

Structures from ABI Chem are now available in PubChem.

Two new depositors in PubChem

PubChem — Mon, 07 Feb 2011 09:36:55 -0400

Structures from Alsachim are now available in PubChem.

Structures and bioassay data from UCLA Molecular Screening Shared Resource are now available in PubChem.

ChEMBL assays updated

PubChem — Wed, 19 Jan 2011 11:30:13 -0400

All ChEMBL assays have been updated and now point to substances deposited by ChEMBL requested by ChEMBL and ChEBI.

PubChem BioAssay data spec updated

PubChem — Thu, 13 Jan 2011 10:59:05 -0400

The PubChem BioAssay ASN.1/XML data specification has been updated to include new types of target data under PC-AssayTargetInfo and PC-ResultType. For more details, please refer to ftp://ftp.ncbi.nlm.nih.gov/pubchem/data_spec.

Abbott deposited substances and bioassay data in PubChem

PubChem — Tue, 11 Jan 2011 15:14:42 -0400

Structures and bioassay data from Abbott are now available in PubChem.

AAA Chemistry deposited substances in PubChem

PubChem — Mon, 20 Dec 2010 17:06:32 -0400

Structures from AAA Chemistry are now available in PubChem.

Kingston Chemistry deposited substances in PubChem

PubChem — Thu, 16 Dec 2010 13:40:39 -0400

Structures from Kingston Chemistry are now available in PubChem.

Substance vendor Avanti Polar Lipids in PubChem

PubChem — Wed, 10 Nov 2010 13:10:10 -0400

Structures from Avanti Polar Lipids are now available in PubChem.

Excenen PharmaTech deposited substances in PubChem

PubChem — Mon, 01 Nov 2010 13:57:09 -0400

Structures from Excenen PharmaTech are now available in PubChem.

Selleck Chemicals deposited substances in PubChem

PubChem — Fri, 29 Oct 2010 11:37:39 -0400

Structures from Selleck Chemicals are now available in PubChem.

Zancheng deposited structures in PubChem

PubChem — Fri, 08 Oct 2010 13:54:41 -0400

Structures from Zancheng Functional Chemicals are now available in PubChem.

The PubChem BioAssay FTP updated

PubChem — Fri, 03 Sep 2010 15:10:25 -0400

To expedite the download speed for growing number of assays in the PubChem Bioassays FTP site, we have introduced several changes that may impact all of the BioAssay FTP users.

Data and description files are now partitioned and compressed as "zip" format. Each compressed zip file contains a directory with a list of BioAssay files according to the range of AID(BioAssay ID), the directory named as the AID range, and each individual data filename prefixed by the AID. For example, the file "0000001_0001000.zip" contains the compressed zip archive directory which contains individual Bioassay files. Each Bioassay file contains an AID record within the range of 1 through 1,000.
The files were partitioned according to a fixed AID range of 1000.
The zip file format has been natively supported on Windows, Mac OS X, Linux, Unix and other systems. There are also a number of ZIP tools and libraries available and free for your programming environments.

ICCB at Harvard deposited bioassay data in PubChem

PubChem — Fri, 03 Sep 2010 15:08:02 -0400

Bioassay data from the ICCB-Longwood/NSRB Screening Facility, Harvard Medical School are now available in PubChem.

The PubChem data specification updated

PubChem — Fri, 03 Sep 2010 15:05:10 -0400

1. ASN1/XML data specification for PubChem Substance has been modified to include XRef choices for cross-link to NCBI GEO database.

2. ASN1/XML data specification for PubChem BioAssay has been modified to Include "categorized-comment" field under PC-AssayDescription.

For more details, please refer to ftp://ftp.ncbi.nlm.nih.gov/pubchem/data_spec

Finley and King Labs deposited substances and data in PubChem

PubChem — Mon, 12 Jul 2010 11:48:03 -0400

Structures and bioassay data from Finley and King Labs, Harvard Medical School are now available in PubChem.

Substance vendor, Annker Organics, in PubChem

PubChem — Wed, 30 Jun 2010 18:00:46 -0400

Structures from Annker Organics are now available in PubChem.

Tractus deposited structures in PubChem

PubChem — Mon, 21 Jun 2010 14:44:08 -0400

Structures from Tractus are now available in PubChem.

Ennopharm in PubChem

PubChem — Mon, 07 Jun 2010 12:21:25 -0400

Structures from Ennopharm are now available in PubChem.

iThemba Pharmaceuticals in PubChem

PubChem — Fri, 04 Jun 2010 10:45:49 -0400

Structures from iThemba Pharmaceuticals are now available in PubChem.

ChEMBL deposited bioassay data in PubChem

PubChem — Sat, 29 May 2010 07:39:05 -0400

Bioassay data from ChEMBL are now available in PubChem.

Jamson Pharmachem deposited substances in PubChem

PubChem — Fri, 28 May 2010 11:00:55 -0400

Structures from Jamson Pharmachem Technology are now available in PubChem.

Amatye deposited structures in PubChem

PubChem — Mon, 24 May 2010 12:02:21 -0400

Structures from Amatye are now available in PubChem.

GSK deposited substances and screening data in PubChem

PubChem — Thu, 20 May 2010 18:27:02 -0400

Structures and bioassay screening data from the GlaxoSmithKline (GSK) are now available in PubChem. More news can be found here.

Circadian Research at UCSD deposited structures and screening data in PubChem

PubChem — Tue, 27 Apr 2010 14:57:16 -0400

Structures and small molecule screening data from the Circadian Research, Kay Laboratory, University of California at San Diego (UCSD) are now available in PubChem.

3 New substance depositors in PubChem

PubChem — Wed, 21 Apr 2010 18:13:22 -0400

Structures from the Golm Metabolome Database (GMD), Max Planck Institute of Molecular Plant Physiology are now available in PubChem.

Structures from the Nitric Oxide Research, National Cancer Institute (NCI) are now available in PubChem.

Structures from the Creasyn Finechem are now available in PubChem.

ICCB-Longwood of Harvard Medical School deposited structures in PubChem

PubChem — Tue, 13 Apr 2010 22:28:44 -0400

Structures from the ICCB-Longwood/NSRB Screening Facility, Harvard Medical School are now available in PubChem.

Nature Communications deposited structures in PubChem

PubChem — Tue, 13 Apr 2010 22:27:06 -0400

Structures from the Nature Communications are now available in PubChem.

Tokyo Chemical Industry Deposited Structures

PubChem — Fri, 05 Mar 2010 09:32:49 -0400

Structures from TCI (Tokyo Chemical Industry) are now available in PubChem.

Molport deposited structures

PubChem — Fri, 19 Feb 2010 12:50:10 -0400

Structures from the molport are now available in PubChem.

MIC Scientific deposited structures in PubChem

PubChem — Tue, 15 Dec 2009 12:09:36 -0400

Structures from MIC Scientific are now available in PubChem.

ChEBI release 62 in PubChem

PubChem — Mon, 23 Nov 2009 15:09:25 -0400

Structures from ChEBI are now updated with ChEBI release 62.

Deposition Gateway Upgrade

PubChem — Wed, 18 Nov 2009 18:00:16 -0400

Notice: Upcoming Database Upgrade
The PubChem Deposition Gateway will be unavailable this coming Monday (2009-11-23) from 8:00 AM EST to 2:00 PM EST, due to a required database server upgrade. The actual downtime may be shorter than this window, but it should not exceed it. Please contact NCBI with concerns: info@ncbi.nlm.nih.gov.

Upcoming Systems Maintenance

PubChem — Fri, 13 Nov 2009 11:47:43 -0400

Notice: Upcoming Systems Maintenance
PubChem may experience a partial outage of services this weekend, beginning Friday (2009-11-13) at 3:00 PM EST through Saturday (2009-11-14) at 8:00 PM EST, due to upgrades to the power grid at NCBI. During this time, most PubChem services will be operational but may be intermittently slow. The PubChem Deposition Gateway will be unavailable. Please contact NCBI with concerns: info@ncbi.nlm.nih.gov.

PubChem Entrez added "Selected Records" panel

PubChem — Fri, 30 Oct 2009 16:11:47 -0400

PubChem Entrez displays now include a "Selected Records" panel to help users discover informative annotations and subsets among search results. For example, following a keyword search of PubChem Compound for "aspirin", the "Selected Compounds" panel includes a line saying "Protein 3D Structures, Compound Count: 4." This indicates that 4 of the 85 compound records retrieved by the "aspirin" search were derived from Protein 3D structures. Clicking on "4" shows which 4 out of the 85 compounds were observed binding to proteins. Clicking on "Protein 3D Structures" shows the 20 experimental protein 3D structures observed to bind these compounds.

Ganolix deposited structures

PubChem — Fri, 30 Oct 2009 14:06:11 -0400

Structures from the Ganolix are now available in PubChem.

University of Kansas Specialized Chemistry Center deposited substances in PubChem

PubChem — Wed, 30 Sep 2009 12:27:24 -0400

Structures from the Molecular Libraries Program, University of Kansas Specialized Chemistry Center are now available in PubChem.

siRNA screen data from GNF in PubChem

Pubchem — Thu, 17 Sep 2009 17:53:03 -0400

A genome-wide siRNA screen for modifiers of the circadian clock in human cells from the Genomics Institute of the Novartis Research Foundation (GNF) is now available in PubChem.

Biological Magnetic Resonance Data Bank Deposited Structures in PubChem

PubChem — Wed, 02 Sep 2009 14:36:39 -0400

Structures from Biological Magnetic Resonance Data Bank (BMRB) are now available in PubChem.

Tyger Scientific and PennChem-GAM deposited structures in PubChem

PubChem — Wed, 05 Aug 2009 12:30:24 -0400

Structures from Tyger Scientific are now available in PubChem.

Structures from PennChem-GAM are now available in PubChem.

Substance vendor IS Chemical Technology in PubChem

PubChem — Tue, 30 Jun 2009 15:24:40 -0400

Structures from IS Chemical Technology are now available in PubChem.

PDBbind data in PubChem

PubChem — Fri, 12 Jun 2009 11:02:50 -0400

Protein-ligand binding affinity data from the PDBbind database have now been deposited into PubChem BioAssay database by the Shanghai Institute of Organic Chemistry.

PubChem - One of the Best Free Reference Web Sites 2009

PubChem — Fri, 12 Jun 2009 07:58:07 -0400

The ALA (American Library Association) selected PubChem as one of the Best Free Reference Web Sites 2009.

ZINC updated in PubChem

PubChem — Tue, 09 Jun 2009 10:51:53 -0400

Structures from ZINC are updated in PubChem.

Vitas-M deposited structures in PubChem

PubChem — Thu, 04 Jun 2009 06:50:14 -0400

Structures from Vitas-M Laboratory are now available in PubChem.

Two Substance Vendors in PubChem

PubChem — Thu, 21 May 2009 08:56:38 -0400

Structures from Shanghai Sinofluoro Scientific Company are now available in PubChem.

Structures from Alinda Chemical are now available in PubChem.

Max Planck Institute of Molecular Physiology deposited structures and bioassay data in PubChem

PubChem — Fri, 24 Apr 2009 11:16:18 -0400

Structures and small molecule screening data from Chemical Biology Department, Max Planck Institute of Molecular Physiology are now available in PubChem.

Novo|seek deposited structures in PubChem

PubChem — Thu, 02 Apr 2009 16:50:39 -0400

Structures from novo|seek are now available in PubChem. Novo|seek is a search engine for biomedical literature in Medline and US Grants.

March 30, 2009

PubChem — Mon, 30 Mar 2009 14:56:06 -0400

Small molecule screening data from Johns Hopkins Ion Channel Center are now available in PubChem.

Small molecule screening data from Broad Institute are now available in PubChem.

Structures and small molecule screening data from NINDS Approved Drug Screening Program are now available in PubChem.

Small molecule screening data from Southern Research Specialized Biocontainment Screening Center are now available in PubChem.

Substances and RNAi screening data from RNAi Global Initiative / Thermo Scientific Dharmacon RNAi Technologies are now available in PubChem.

February 25, 2009

PubChem — Wed, 25 Feb 2009 11:52:05 -0400

Structures from Nature Chemistry are now available in PubChem.

February 13, 2009

PubChem — Fri, 13 Feb 2009 12:02:49 -0400

Structures from Thermo Scientific Dharmacon RNAi Technologies are now available in PubChem.

February 3,2009

PubChem — Tue, 03 Feb 2009 21:40:03 -0400

PubChem3D is released consisting of a single theoretical 3D conformer per compound record and includes a new similarity relationship (Similar Conformers).

XLogP is now updated to version 3.0 of the algorithm. InChI and InChIKey are now updated to use the version 1.0.2 standard.

November 28, 2008

PubChem — Fri, 28 Nov 2008 10:09:48 -0400

Structures from Vanderbilt University Medical Center are now available in PubChem.

November 26, 2008

PubChem — Wed, 26 Nov 2008 07:56:20 -0400

BioAssay data, Kinase Inhibitor Selectivity Profiling Assay, from Ambit Biosciences are now available in PubChem.

November 20, 2008

PubChem — Thu, 20 Nov 2008 08:24:23 -0400

The PubChem Score Matrix Service, through which one can download similarity scores for selected lists of CIDs, is now released.

November 7, 2008

PubChem — Fri, 07 Nov 2008 18:04:57 -0400

BioAssay data from The International Union of Pharmacology (IUPHAR-DB) are now available in PubChem.

November 5, 2008

PubChem — Wed, 05 Nov 2008 11:56:03 -0400

Structures from EMD Biosciences are now available in PubChem.

October 27, 2008

PubChem — Mon, 27 Oct 2008 10:22:54 -0400

Structures from ChemSynthesis are now available in PubChem.

October 20, 2008

PubChem — Mon, 20 Oct 2008 16:48:11 -0400

Structures from PENN-ABS are now available in PubChem.

Structures from IUPHAR-DB are now available in PubChem.

Structures from True PharmaChem are now available in PubChem.

September 29, 2008

PubChem — Mon, 29 Sep 2008 13:23:25 -0400

Structures from Comparative Toxicogenomics Database are now available in PubChem.

Structures from HDH Pharma are now available in PubChem.

Structures from Johns Hopkins Ion Channel Center are now available in PubChem.

Structures from Biosynth are now available in PubChem.

September 18, 2008

PubChem — Thu, 18 Sep 2008 14:39:10 -0400

PubChem PUG SOAP is officially released.

September 18, 2008

PubChem — Thu, 18 Sep 2008 14:38:54 -0400

RSS and Atom feed are available for PubChem announcements.

September 11, 2008

PubChem — Thu, 11 Sep 2008 15:39:32 -0400

Structures from MP Organic & Rare Chemicals are now available in PubChem.

September 10, 2008

PubChem — Wed, 10 Sep 2008 15:39:28 -0400

Structures from NextBio are now available in PubChem.

September 8, 2008

PubChem — Mon, 08 Sep 2008 15:39:25 -0400

Structures from Isoprenoids are now available in PubChem.

August 15, 2008

PubChem — Fri, 15 Aug 2008 15:43:00 -0400

Structures from Ambit Biosciences are now available in PubChem.

Structures from Paul Baures are now available in PubChem.

July 15, 2008

PubChem — Tue, 15 Jul 2008 15:39:07 -0400

Structures from LeadScope are now updated in PubChem.

July 1, 2008

PubChem — Tue, 01 Jul 2008 15:39:16 -0400

Structures from the Hangzhou Trylead Chemical Technology are now available in PubChem.