Pubchem.ncbi.nlm.nih.gov PubChem

Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and ot...

Pubchem.ncbi.nlm.nih.gov Overview

PubChem, hosted by the National Library of Medicine, is the largest free chemistry database in the world. It is designed to provide users with the ability to search and explore chemical information using various identifiers like chemical name, molecular formula, structure, and more.

The website's homepage presents users with a simple and well-organized search bar right in the center of the page, enabling them to easily navigate through the website. The search box offers suggestions for chemical names based on the keywords entered by the user. On the top of the homepage, users can find the following sections: Home, Compounds, BioAssay, Substance, Protein, PubChem Tools, Blog, and Help.

The "Compounds" section includes a database of over 97 million unique chemical substances, with links to molecular and chemical properties, suppliers, and safety information. In addition, the "BioAssay" section provides information about more than 2 million biological assays, providing users with an understanding of how different chemical substances affect biological systems.

The "Substance" section allows users to search for more than 130 million unique chemical compounds, including a registry of unique IDs which can help identify and reference compounds in research documents. Moreover, the "Protein" section provides access to information on more than 4 million unique protein sequences and their related functions.

The "PubChem Tools" section offers several additional tools that assist users with chemical and biological data analysis. These tools include Chemical Structure Search, Bioactivity Search, and Virtual Screening.

In terms of user experience, the website is easy to navigate and provides a clean, user-friendly interface. The website is also SSL certified by GoDaddy, ensuring a safe and secure browsing experience.

As a government-hosted website, PubChem is considered family-friendly. Overall, PubChem is an excellent resource for researchers, scientists, and anyone seeking chemical information, with over 983,796 unique users per day and 7,870,368 pageviews. The website's estimated value is 8,499,600 US dollars, making it an invaluable and trusted resource for anyone in the field of chemistry.

Pubchem.ncbi.nlm.nih.gov Rank Summary

Global Rank

Average Load Time

0.00sec

Links In Count

Website Value

$8.7 M

Audience Geography. Where are pubchem.ncbi.nlm.nih.gov visitors located?

Country	Visitors

Country	Pageviews

Country	Rank

Where do visitors go on pubchem.ncbi.nlm.nih.gov?

Subdomain	Pageviews

Subdomain	Pageviews per User

Subdomain	Reach

How popular is pubchem.ncbi.nlm.nih.gov?

Period	Global Rank	Global Rank Delta

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta

Pubchem.ncbi.nlm.nih.gov Website Safety

Overview

Last Updated: 02/02/2025

Unknown status.

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Last Updated: 05/21/2024

pubchem.ncbi.nlm.nih.gov is safe.

Norton ConnectSafe evaluates pubchem.ncbi.nlm.nih.gov for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 02/02/2025

Not yet checked.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing

Last Updated: 02/02/2025

Site Advisor

Last Updated: 02/02/2025

Not yet checked.

McAfee assesses pubchem.ncbi.nlm.nih.gov for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze pubchem.ncbi.nlm.nih.gov for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 02/02/2025

pubchem.ncbi.nlm.nih.gov child safety is unknown.

The WOT calculates reputation of the pubchem.ncbi.nlm.nih.gov. This reputation system receives ratings from users and information from third-party sources, assesses the pubchem.ncbi.nlm.nih.gov for safety features and confirms, whether pubchem.ncbi.nlm.nih.gov is suitable for children.

SSL Information

SSL Checker Tool

Domain	*.ncbi.nlm.nih.gov
Issuer Organization	GoDaddy.com, Inc.
Issuer	Go Daddy Secure Certificate Authority - G2
Algorithm	RSA-SHA256
Valid form	08/02/2022
Expiration	08/02/2023
Signed	Certificate is not self signed
Additional Domains	*.ncbi.nlm.nih.gov ncbi.nlm.nih.gov

Pubchem.ncbi.nlm.nih.gov Rank History

Alexa Rank shows how popular pubchem.ncbi.nlm.nih.gov is in comparison with other sites. The most popular site has Alexa Rank equals 1. If pubchem.ncbi.nlm.nih.gov has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to pubchem.ncbi.nlm.nih.gov and pageviews on pubchem.ncbi.nlm.nih.gov over the past 3 months.

Pubchem.ncbi.nlm.nih.gov Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 70

ASN Title: NLM-GW - National Library of Medicine, US

Last Update: 12/06/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 70
ASName: NLM-GW
ASHandle: AS70
RegDate: 1986-04-14
Updated: 2014-12-17
Ref: https://rdap.arin.net/registry/autnum/70

OrgName: National Library of Medicine
OrgId: NLM
Address: 8600 Rockville Pike
City: Bethessda
StateProv: MD
PostalCode: 20817
Country: US
RegDate: 1984-02-13
Updated: 2014-12-17
Ref: https://rdap.arin.net/registry/entity/NLM

OrgTechHandle: GATES18-ARIN
OrgTechName: Gates, Kevin
OrgTechPhone: +1-301-496-2572
OrgTechEmail: kevin.gates@nih.gov
OrgTechRef: https://rdap.arin.net/registry/entity/GATES18-ARIN

OrgAbuseHandle: NAC15-ARIN
OrgAbuseName: Network Abuse Center
OrgAbusePhone: +1-301-496-2943
OrgAbuseEmail: abuse@nlm.nih.gov
OrgAbuseRef: https://rdap.arin.net/registry/entity/NAC15-ARIN

RTechHandle: GATES18-ARIN
RTechName: Gates, Kevin
RTechPhone: +1-301-496-2572
RTechEmail: kevin.gates@nih.gov
RTechRef: https://rdap.arin.net/registry/entity/GATES18-ARIN

RAbuseHandle: NAC15-ARIN
RAbuseName: Network Abuse Center
RAbusePhone: +1-301-496-2943
RAbuseEmail: abuse@nlm.nih.gov
RAbuseRef: https://rdap.arin.net/registry/entity/NAC15-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Pubchem.ncbi.nlm.nih.gov Domain Registration and Settings

WHOIS

WHOIS Lookup Tool

% DOTGOV WHOIS Server ready
Domain Name: NIH.GOV
Status: ACTIVE
Security Contact Email: ResponsibleDisclosure@hhs.gov

>>> Last update of whois database: 2023-05-18T01:29:38Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
pubchem.ncbi.nlm.nih.gov	www.wip.ncbi.nlm.nih.gov	21473
www.wip.ncbi.nlm.nih.gov	130.14.29.110	35

Host	MX Record	Priority	TTL

Host	NS Record	TTL
pubchem.ncbi.nlm.nih.gov	www.wip.ncbi.nlm.nih.gov

Host	TXT Record	TTL
pubchem.ncbi.nlm.nih.gov		21504

Pubchem.ncbi.nlm.nih.gov HTML Check

HTML Validation Tool

not found

Pubchem.ncbi.nlm.nih.gov Similar Audits

pubchem.ncbi.nlm.nih.gov
iowa.gov
regulations.gov
hrsa.gov
lanl.gov
wisconsin.gov
sc.gov
nga.gov
ri.gov
nd.gov
blm.gov
lacounty.gov
anl.gov
alabama.gov
trade.gov
llnl.gov
nsa.gov
dea.gov
bea.gov
commerce.gov
genome.gov
c*o.gov

Pubchem.ncbi.nlm.nih.gov Common Typos

www.pubchem.com
www.pubchem.net
www.pubchem.org
www.pubchem.info
www.pubchem.biz
www.pubchem.us
www.pubchem.mobi
www.ubchem.ncbi.nlm.nih.gov
www.pubchem.ncbi.nlm.nih.gov
www.oubchem.ncbi.nlm.nih.gov
www.poubchem.ncbi.nlm.nih.gov
www.opubchem.ncbi.nlm.nih.gov
www.lubchem.ncbi.nlm.nih.gov
www.plubchem.ncbi.nlm.nih.gov
www.lpubchem.ncbi.nlm.nih.gov
www.pbchem.ncbi.nlm.nih.gov
www.pybchem.ncbi.nlm.nih.gov
www.puybchem.ncbi.nlm.nih.gov
www.pyubchem.ncbi.nlm.nih.gov
www.phbchem.ncbi.nlm.nih.gov
www.puhbchem.ncbi.nlm.nih.gov
www.phubchem.ncbi.nlm.nih.gov
www.pjbchem.ncbi.nlm.nih.gov
www.pujbchem.ncbi.nlm.nih.gov
www.pjubchem.ncbi.nlm.nih.gov
www.pibchem.ncbi.nlm.nih.gov
www.puibchem.ncbi.nlm.nih.gov
www.piubchem.ncbi.nlm.nih.gov
www.puchem.ncbi.nlm.nih.gov
www.puvchem.ncbi.nlm.nih.gov
www.pubvchem.ncbi.nlm.nih.gov
www.puvbchem.ncbi.nlm.nih.gov
www.pugchem.ncbi.nlm.nih.gov
www.pubgchem.ncbi.nlm.nih.gov
www.pugbchem.ncbi.nlm.nih.gov
www.puhchem.ncbi.nlm.nih.gov
www.pubhchem.ncbi.nlm.nih.gov
www.punchem.ncbi.nlm.nih.gov
www.pubnchem.ncbi.nlm.nih.gov
www.punbchem.ncbi.nlm.nih.gov
www.pubhem.ncbi.nlm.nih.gov
www.pubxhem.ncbi.nlm.nih.gov
www.pubcxhem.ncbi.nlm.nih.gov
www.pubxchem.ncbi.nlm.nih.gov
www.pubdhem.ncbi.nlm.nih.gov
www.pubcdhem.ncbi.nlm.nih.gov
www.pubdchem.ncbi.nlm.nih.gov
www.pubfhem.ncbi.nlm.nih.gov
www.pubcfhem.ncbi.nlm.nih.gov
www.pubfchem.ncbi.nlm.nih.gov
www.pubvhem.ncbi.nlm.nih.gov
www.pubcvhem.ncbi.nlm.nih.gov
www.pubcem.ncbi.nlm.nih.gov
www.pubcbem.ncbi.nlm.nih.gov
www.pubchbem.ncbi.nlm.nih.gov
www.pubcbhem.ncbi.nlm.nih.gov
www.pubcgem.ncbi.nlm.nih.gov
www.pubchgem.ncbi.nlm.nih.gov
www.pubcghem.ncbi.nlm.nih.gov
www.pubcyem.ncbi.nlm.nih.gov
www.pubchyem.ncbi.nlm.nih.gov
www.pubcyhem.ncbi.nlm.nih.gov
www.pubcuem.ncbi.nlm.nih.gov
www.pubchuem.ncbi.nlm.nih.gov
www.pubcuhem.ncbi.nlm.nih.gov
www.pubcjem.ncbi.nlm.nih.gov
www.pubchjem.ncbi.nlm.nih.gov
www.pubcjhem.ncbi.nlm.nih.gov
www.pubcnem.ncbi.nlm.nih.gov
www.pubchnem.ncbi.nlm.nih.gov
www.pubcnhem.ncbi.nlm.nih.gov
www.pubchm.ncbi.nlm.nih.gov
www.pubchwm.ncbi.nlm.nih.gov
www.pubchewm.ncbi.nlm.nih.gov
www.pubchwem.ncbi.nlm.nih.gov
www.pubchsm.ncbi.nlm.nih.gov
www.pubchesm.ncbi.nlm.nih.gov
www.pubchsem.ncbi.nlm.nih.gov
www.pubchdm.ncbi.nlm.nih.gov
www.pubchedm.ncbi.nlm.nih.gov
www.pubchdem.ncbi.nlm.nih.gov
www.pubchrm.ncbi.nlm.nih.gov
www.pubcherm.ncbi.nlm.nih.gov
www.pubchrem.ncbi.nlm.nih.gov
www.pubche.ncbi.nlm.nih.gov
www.pubchen.ncbi.nlm.nih.gov
www.pubchemn.ncbi.nlm.nih.gov
www.pubchenm.ncbi.nlm.nih.gov
www.pubchej.ncbi.nlm.nih.gov
www.pubchemj.ncbi.nlm.nih.gov
www.pubchejm.ncbi.nlm.nih.gov
www.pubchek.ncbi.nlm.nih.gov
www.pubchemk.ncbi.nlm.nih.gov
www.pubchekm.ncbi.nlm.nih.gov