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CAS 137-66-6

CAS 137-66-6 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

Chemical identity and properties

PubChem 2D chemical structure for CAS 137-66-6
CAS 137-66-6PubChem CID 54680660

Ascorbyl Palmitate

Ascorbyl palmitate is a fatty acid ester. ChEBI

IUPAC name
[(2S)-2-[(2R)-3,4-dihydroxy-5-oxo-2H-furan-2-yl]-2-hydroxyethyl] hexadecanoate
Molecular formula
C22H38O7
Molecular weight
414.5 g/mol
Exact mass
414.26175355 Da
XLogP3
6.3
Topological polar surface area
113.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
7
Covalent units
1
Defined stereocentres
2

Also known as

L-Ascorbyl 6-palmitateL-Ascorbic acid 6-palmitateAscorbyl monopalmitateAscorbic palmitateL-Ascorbic acid, 6-hexadecanoateAscorbylpalmitic acidL-Ascorbyl palmitateCetyl ascorbate
16 more reported names
6-O-Palmitoyl ascorbateIns no.304Ascorboyl palmitateAscorbyl 6-palmitateQN83US2B0N6-Palmitoyl-L-ascorbic acidAscorbyl palmitate [NF]Ascorbyl palmitate (VAN)Palmitoyl L-ascorbic acidIns-304OndascoraQuicifalAscorbyl 6-hexadecanoate, L-Ascorbic acid palmitateCCRIS 3930HSDB 418
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 137-66-6

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No records found for this CAS number.

How CAS 137-66-6 is used on this site

CAS 137-66-6 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 137-66-6 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.