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CAS 554-91-6

CAS 554-91-6 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 554-91-6
CAS 554-91-6PubChem CID 20056559

Gentiobiose

IUPAC name
(2R,3S,4R,5R)-2,3,4,5-tetrahydroxy-6-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexanal
Molecular formula
C12H22O11
Molecular weight
342.30 g/mol
Exact mass
342.11621151 Da
XLogP3
-5.0
Topological polar surface area
197.0 Ų
Hydrogen-bond donors
8
Hydrogen-bond acceptors
11
Covalent units
1
Defined stereocentres
9

Also known as

d-gentiobioseAmygdaloseHF30HB040VCHEBI:28066RefChem:639841D-GLUCOSE, 6-O-BETA-D-GLUCOPYRANOSYL-209-074-0(3R,4S,5S,6R)-6-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl)oxymethyl)oxane-2,3,4,5-tetrol
16 more reported names
6-O-beta-D-glucopyranosyl-D-glucopyranose6-O-beta-D-glucopyranosyl-D-glucosebeta-D-Glcp-(1->6)-D-Glcp6-O-b-D-Glucopyranosyl-D-glucoseGentiobiose (open form)(2R,3S,4R,5R)-2,3,4,5-Tetrahydroxy-6-(((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)hexanalD-GLUCOSE, 6-O-.BETA.-D-GLUCOPYRANOSYL-ss-Gentiobiose|?-Gentiobiose(2R,3S,4R,5R)-2,3,4,5-TETRAHYDROXY-6-{[(2R,3R,4S,5S,6R)-3,4,5-TRIHYDROXY-6-(HYDROXYMETHYL)OXAN-2-YL]OXY}HEXANAL|?-D-GentiobioseGENTIOBIOSE [MI]Epitope ID:141806UNII-HF30HB040VAYRXSINWFIIFAE-UDKQPYHCSA-NEINECS 209-074-0
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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 554-91-6

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How CAS 554-91-6 is used on this site

CAS 554-91-6 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 554-91-6 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.