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CAS 51938-44-4

CAS 51938-44-4 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 51938-44-4

CAS 51938-44-4PubChem CID 171093

Sorbitan Sesquistearate

IUPAC name: tris((3R,4S)-2-[(1R)-1,2-dihydroxyethyl]oxolane-3,4-diol);bis(octadecanoic acid)

Molecular formula: C54H108O19
Molecular weight: 1061.4 g/mol
Exact mass: 1060.74848121 Da
Topological polar surface area: 345.0 Å²
Hydrogen-bond donors: 14
Hydrogen-bond acceptors: 19
Covalent units: 5
Defined stereocentres: 9

Also known as

Sorbitan, octadecanoate (2:3)EINECS 257-529-7Stearic acid, sorbitan ester (3:2)QDQ11AXU3ZRefChem:888289NIKKOL SS-15VSORBITAN SESQUISTEARATE [INCI]257-529-7

3 more reported names

(3R,4S)-2-[(1R)-1,2-dihydroxyethyl]oxolane-3,4-diol;octadecanoic acidUNII-QDQ11AXU3ZPAFJZWHXMSQJKV-UQZRNVAESA-N

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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 51938-44-4

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CAS 51938-44-4 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 51938-44-4 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.