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CAS 638-26-6

CAS 638-26-6 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 638-26-6
CAS 638-26-6PubChem CID 9561835

10-Hydroxystearic Acid

10-hydroxyoctadecanoic acid is a hydroxy fatty acid that is octadecanoic acid carrying a hydroxy group at position 10. It has a role as a bacterial xenobiotic metabolite. It is a long-chain fatty acid and a hydroxy fatty acid. It is functionally related to an octadecanoic acid. It is a conjugate acid of a 10-hydroxyoctadecanoate. — ChEBI

IUPAC name
10-hydroxyoctadecanoic acid
Molecular formula
C18H36O3
Molecular weight
300.5 g/mol
Exact mass
300.26644501 Da
XLogP3
6.5
Topological polar surface area
57.5 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Octadecanoic acid, 10-hydroxy-10-hydroxy-octadecanoic acid384M5B7IFLNSC-79060CHEBI:143095RefChem:437036Rosilic acidC18H36O3
16 more reported names
UNII-384M5B7IFL10-hydroxy stearic acidAI3-26309(R)-10-hydroxystearicaciDL-10-hydroxy stearic acidUSDA 10-hydroxystearic acidxi-10-Hydroxyoctadecanoic acid10-HYDROXYOCTADECANOICACIDDL-10-HYDROXYSTEARIC ACID10-Hydroxystearic Acid, 10-HSANSC 79060STEARIC ACID, .IOTA.-HYDROXY-DL-10-hydroxy stearic acid; 10-HODAAS-5896910-HYDROXYSTEARIC ACID, (+/-)-CS-0186310
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 638-26-6

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How CAS 638-26-6 is used on this site

CAS 638-26-6 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 638-26-6 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.