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CAS 1921-70-6

CAS 1921-70-6 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 1921-70-6
CAS 1921-70-6PubChem CID 15979

Pristane

Pristane is a norterpene that is an acyclic saturated hydrocarbon derived from phytane by loss of its C-16 terminal methyl group. It has a role as an immunological adjuvant and a biomarker. It is a norterpene and a long-chain alkane. — ChEBI

IUPAC name
2,6,10,14-tetramethylpentadecane
Molecular formula
C19H40
Molecular weight
268.5 g/mol
Exact mass
268.313001276 Da
XLogP3
9.3
Topological polar surface area
0.0 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
0
Covalent units
1
Defined stereocentres
0

Also known as

NorphytaneNorphytanPentadecane, 2,6,10,14-tetramethyl-PristanNSC 11485226HZV48DT1NSC-114852CHEBI:53181
16 more reported names
RefChem:46199217-650-8tetramethylpentadecanemeso-Pristane2,6,10,10-TetramethylpentadecaneEINECS 217-650-82,6,10,14-tetramethyl-pentadecaneBRN 1720538UNII-26HZV48DT1Meso-formNorphytane;TMPDNorphytane, robuoyPRISTANE [MI]3-01-00-00570 (Beilstein Handbook Reference)2,10,14-TetramethylpentadecaneHSDB 8345
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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 1921-70-6

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How CAS 1921-70-6 is used on this site

CAS 1921-70-6 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 1921-70-6 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.