18499-92-8 2A580G9V9I Kermesic acid UNII-2A580G9V9I Kermesic acid [MI] 2-Anthracenecarboxylic acid, 9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- 1-Methyl-2-carboxy-3,5,6,8-tetrahydroxyanthraquinone C.i. natural Red 3 C.I. 75460 CAS 18499-92-8

Purity 97%+In StockPharmaceutical Standards
CAS No.18499-92-8
Molecular FormulaC16H10O8
Molecular Weight330.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

18499-92-8 2A580G9V9I Kermesic acid UNII-2A580G9V9I Kermesic acid [MI] 2-Anthracenecarboxylic acid, 9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- 1-Methyl-2-carboxy-3,5,6,8-tetrahydroxyanthraquinone C.i. natural Red 3 C.I. 75460 CAS 18499-92-8 chemical structure

Description

18499-92-8 2A580G9V9I Kermesic acid UNII-2A580G9V9I Kermesic acid [MI] 2-Anthracenecarboxylic acid, 9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- 1-Methyl-2-carboxy-3,5,6,8-tetrahydroxyanthraquinone C.i. natural Red 3 C.I. 75460 (CAS 18499-92-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H10O8. Molecular weight: 330.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC16H10O8
Molecular Weight330.25 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

Recommended Standards

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