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CAS 521-35-7

CAS 521-35-7 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 521-35-7
CAS 521-35-7PubChem CID 2543

Cannabinol

Cannabinol is a dibenzopyran. — ChEBI

IUPAC name
6,6,9-trimethyl-3-pentylbenzo[c]chromen-1-ol
Molecular formula
C21H26O2
Molecular weight
310.4 g/mol
Exact mass
310.193280068 Da
XLogP3
6.1
Topological polar surface area
29.5 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

CannabinoloCannabinolum6,6,9-Trimethyl-3-pentyl-6H-dibenzo[b,d]pyran-1-ol7UYP6MC9GH6,6,9-Trimethyl-3-pentyl-6H-dibenzo(b,d)pyran-1-ol3-Amyl-1-hydroxy-6,6,9-trimethyl-6H-dibenzo(b,d)pyran6H-Dibenzo(b,d)pyran-1-ol, 6,6,9-trimethyl-3-pentyl-NSC-134455
16 more reported names
3-Amyl-1-hydroxy-6,6,9-trimethyl-6H-dibenzo[b,d]pyran6H-Dibenzo[b,d]pyran-1-ol, 6,6,9-trimethyl-3-pentyl-6,6,9-trimethyl-3-pentylbenzo(c)chromen-1-olRefChem:388855Cannabinolo [DCIT]Cannabinol (CBN)Cannabinolum [INN-Latin]6,6,9-Trimethyl-3-pentyl-6H-benzo[c]chromen-1-olCannabinol [INN:BAN]NSC 134455UNII-7UYP6MC9GHBRN 02371453-Amyl-1-hydroxy-6,6 ,9-trimethyl-6H-dibenzo[b,d]pyranCannabinol; 3-Amyl-1-hydroxy-6,6,9-trimethyl-6H-dibenzo[b,d]pyran; 6,6,9-Trimethyl-3-pentyl-6H-dibenzo[b,d]pyran-1-ol; CBN; NSC 134455; CannabinoidsCannabinol (6CI)CANNABINOL [MI]
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External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 521-35-7

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How CAS 521-35-7 is used on this site

CAS 521-35-7 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 521-35-7 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.