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CAS 475-25-2

CAS 475-25-2 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 475-25-2
CAS 475-25-2PubChem CID 135403802

Hematein

IUPAC name
4,6a,9,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-3-one
Molecular formula
C16H12O6
Molecular weight
300.26 g/mol
Exact mass
300.06338810 Da
XLogP3
-0.1
Topological polar surface area
107.0 Ų
Hydrogen-bond donors
4
Hydrogen-bond acceptors
6
Covalent units
1
Defined stereocentres
0

Also known as

HaemateinHematine3,4,6a,10-tetrahydroxy-6,7-dihydroindeno[2,1-c]chromen-9-oneNSC7333Hematein (Technical Grade)88Q1SYD10BHydroxybrasileinHematein, for microscopy (Hist.)
16 more reported names
3,4,6a,10-tetrahydroxy-6a,7-dihydroindeno[2,1-c]chromen-9(6H)-oneNSC-7333Benz[b]indeno[1,2-d]pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy-6a,7-Dihydro-3,4,6a,10-tetrahydroxybenz(b)indeno(1,2-d)pyran-9(6H)-oneBenz(b)indeno(1,2-d)pyran-9(6H)-one, 6a,7-dihydro-3,4,6a,10-tetrahydroxy-3,4,10,6a-tetrahydroxy-7,6a-dihydroindeno[2,1-c]chroman-9-one3,4,6a,10-tetrahydroxy-6a,7-dihydrobenzo[b]indeno[1,2-d]pyran-9(6H)-oneNSC 7333EINECS 207-492-8BRN 0093039UNII-88Q1SYD10BHaematineAI3-63013Hematein, stainCTK8B3911Spectrum_001226
Open full PubChem recordPubChem annotations3D structure image
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 475-25-2

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How CAS 475-25-2 is used on this site

CAS 475-25-2 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 475-25-2 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.