This site scores 63/100 with low confidence. No matched customer ratings were found. Refund terms could not be verified from the available pages; this does not establish that no policy exists.
"The research agent places this store at 63/100 based on the retrieved evidence. Low confidence. This is an AI judgment, not a guarantee of safety or a fraud finding."
low confidence estimate
pubchem.ncbi.nlm.nih.gov
This site scores 63/100 with low confidence. No matched customer ratings were found. Refund terms could not be verified from the available pages; this does not establish that no policy exists.
Estimated trust score / 100
Caution advised
The research agent places this store at 63/100 based on the retrieved evidence. Low confidence. This is an AI judgment, not a guarantee of safety or a fraud finding.
Information checked: 10/24/2026, 12:06:59 PM UTC. Report saved: 10/24/2026, 12:06:59 PM UTC.
We could read 1 sources for this report. Confidence in the score: low. Downloading this report does not check the website again.
What this means for you
"The research agent places this store at 63/100 based on the retrieved evidence. Low confidence. This is an AI judgment, not a guarantee of safety or a fraud finding."
Trust
75/100PubChem is an official U.S. government resource operated by the National Library of Medicine (NLM), part of the National Institutes of Health (NIH). It is a non-commercial, publicly funded, open-access database.
Customer feedback
Not enough evidenceNo eligible cited assessment was saved for this category. Customer feedback remains unscored; missing evidence is not an adverse finding.
Credibility
Not enough evidenceNo eligible cited assessment was saved for this category. Credibility remains unscored; missing evidence is not an adverse finding.
Before you decide
The customer picture
No usable matched customer ratings were available. Overall buyer satisfaction and recurring customer experiences remain unknown.
What we could not confirm, and where to read more
- Website pages: We could only read part of the available information.
- Reddit discussions: We found links, but could not read the pages behind them.
- Google business listing: We could not finish this check. This tells us nothing about whether the business is trustworthy.
- Google review comments: This part of the check was not run.
- Other web sources: We could not confidently connect a result to this exact website.
- Trustpilot reviews: We could not finish this check. This tells us nothing about whether the business is trustworthy.
- Domain registration: We could not finish this check. This tells us nothing about whether the business is trustworthy.
- Google: We could not confirm reviews for this exact website. This does not mean there are no reviews.
- Reddit: We could not confirm reviews for this exact website. This does not mean there are no reviews.
- Trustpilot: We could not confirm reviews for this exact website. This does not mean there are no reviews.
- We have not checked the website’s security certificate, hosting location or whether the owner’s registration details are private.
- The score is an estimate, not a guarantee. Missing information is not evidence of a scam.
Website information
https://pubchem.ncbi.nlm.nih.gov/
Last checked: 10/24/2026, 12:06:21 PM UTC
Skip to main content - NIH Websites Are Changing - Get the Latest Updates and FAQs on the transition - Per Executive Order 14434, federal agencies are now using "Super Intelligence" (SI) in place of "Artificial Intelligence" (AI). You may see both terms across NIH content during this transition. An official website of the United States government Here is how you know The .gov means it’s official. Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site. The site is secure. The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely. NIH National Library of Medicine NCBI R PubChem - About - Docs - Submit - Contact - Periodic Table - Theme Settings Quickly find chemical information Search PubChem Draw ID File Submit search - Try - aspirin - CID:2244 - EGFR - C9H8O4 - 57-27-2 - C1=CC(=C(C(=C1I)C=O)I)IC%3DO)I)I) - InChI=1S/C3H6O/c1-3(2)4/h1-2H34%2Fh1-2H3) - glycolysis - homo sapiens Advanced Search Search History How to Search What is PubChem®? PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. We are constantly adding new data and working on improving interfaces to chemical information. Please check back often! Learn More User Guide Publications Tutorials Citation Guidelines Explore Resources Periodic Table of Elements Classification Browser Search and Analysis Tools Chemical Safety Information Access Data Programmatic Access Downloads FTP RDF Contribute Submissions Portal Getting Started with Submissions Data Submission Policy Chemical Vendor Policy Data Counts 1,137\\ \\ Data Sources - 118\\ \\ Chemical Elements - 124M\\ \\ Compounds - 351M\\ \\ Substances - 303M\\ \\ Bioactivities - 46M\\ \\ Literature - 82M\\ \\ Patents See More Statistics PubChem Updates - 2026-10-20 The computer system migration has been successfully completed, and regular database updates to PubChem have resumed. - 2026-10-13 PubChem updates are temporarily on hold due to a computer system migration. We will notify users once the migration is complete. - 2026-10-01 PubChem has integrated data from the COlleCtion of Open Natural prodUcTs (COCONUT), expanding PubChem’s coverage of naturally occurring compounds. The integration makes COCONUT’s open natural product data searchable and accessible through PubChem. - 2026-09-22 Experimental logP values for more than 20,000 compounds from the curated SangsterLogP dataset have been integrated into PubChem. - 2026-07-29 PubChem has integrated dietary supplement information from the Dietary Supplement Label Database (DSLD). Users can now browse supplement ingredients in the Dietary Supplement Ingredients Classification tree. View all updates Connect with NLM - Twitter - Facebook - YouTube National Library of Medicine \\ \\ 8600 Rockville Pike, Bethesda, MD 20894 Web Policies FOIA HHS Vulnerability Disclosure Help Accessibility Careers - NLM - NIH - HHS - USA.gov
Possible source to check
https://pubchem.ncbi.nlm.nih.gov/docs/about
Last checked: 10/24/2026, 12:05:59 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://pubmed.ncbi.nlm.nih.gov/39558165
Last checked: 10/24/2026, 12:05:59 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://academic.oup.com/nar/article/49/D1/D1388/5957164
Last checked: 10/24/2026, 12:05:59 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://pubchem.ncbi.nlm.nih.gov/docs/pubchemrdf-1-0beta
Last checked: 10/24/2026, 12:05:59 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://pubchem.ncbi.nlm.nih.gov/docs/data-sources
Last checked: 10/24/2026, 12:05:59 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://www.reddit.com/r/IBO/comments/xqt1s9/is_pubchem_a_reliable_source
Last checked: 10/24/2026, 12:06:43 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://www.reddit.com/r/chemistry/comments/1soc6wf/chemists_what_frustrates_you_about_pubchem/
Last checked: 10/24/2026, 12:06:43 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://www.reddit.com/r/chemistry/comments/1j15kmt/is_pubchemnih_down
Last checked: 10/24/2026, 12:06:43 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Possible source to check
https://www.reddit.com/r/chemistry/comments/1j1aq86/is_pubchem_permanently_down_because_of_the_trump
Last checked: 10/24/2026, 12:06:43 PM UTC
We found a possible source, but could not read its page. Its contents are not included in the findings.
Report and correction request: https://onlyreputable.com/Report?id=6adc9f637098bbfba9d73b82
This report was generated automatically by OnlyReputable AI. It is for informational purposes only and does not constitute legal or financial advice.
© 2026 OnlyReputable. All rights reserved. Report ID: 6adc9f637098bbfba9d73b82
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What could not be verified
- Website pages: We could only read part of the available information.
- Reddit discussions: We found links, but could not read the pages behind them.
- Google business listing: We could not finish this check. This tells us nothing about whether the business is trustworthy.
- Google review comments: This part of the check was not run.
- Other web sources: We could not confidently connect a result to this exact website.
- Trustpilot reviews: We could not finish this check. This tells us nothing about whether the business is trustworthy.
- Domain registration: We could not finish this check. This tells us nothing about whether the business is trustworthy.
- Google: We could not confirm reviews for this exact website. This does not mean there are no reviews.
- Reddit: We could not confirm reviews for this exact website. This does not mean there are no reviews.
- Trustpilot: We could not confirm reviews for this exact website. This does not mean there are no reviews.
- We have not checked the website’s security certificate, hosting location or whether the owner’s registration details are private.
- The score is an estimate, not a guarantee. Missing information is not evidence of a scam.