55804-67-6 2773GTW04S Coumarin 521 10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-(1)benzopyrano(6,7,8-ij)quinolizin-11-one 1H,5H,11H-(1)Benzopyrano(6,7,8-ij)quinolizin-11-one, 10-acetyl-2,3,6,7-tetrahydro- EINECS 259-826-7 NSC 369287 Coumarin 334 UNII-2773GTW04S CAS 55804-67-6

Purity 97%+In StockPharmaceutical Standards
CAS No.55804-67-6
Molecular FormulaC17H23NO3
Molecular Weight289.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

55804-67-6
2773GTW04S
Coumarin 521
10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-(1)benzopyrano(6,7,8-ij)quinolizin-11-one
1H,5H,11H-(1)Benzopyrano(6,7,8-ij)quinolizin-11-one, 10-acetyl-2,3,6,7-tetrahydro-
EINECS 259-826-7
NSC 369287
Coumarin 334
UNII-2773GTW04S CAS 55804-67-6 chemical structure

Description

55804-67-6 2773GTW04S Coumarin 521 10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-(1)benzopyrano(6,7,8-ij)quinolizin-11-one 1H,5H,11H-(1)Benzopyrano(6,7,8-ij)quinolizin-11-one, 10-acetyl-2,3,6,7-tetrahydro- EINECS 259-826-7 NSC 369287 Coumarin 334 UNII-2773GTW04S (CAS 55804-67-6), molecular formula C17H23NO3 and molecular weight 289.37 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 55804-67-6 2773GTW04S Coumarin 521 10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-(1)benzopyrano(6,7,8-ij)quinolizin-11-one 1H,5H,11H-(1)Benzopyrano(6,7,8-ij)quinolizin-11-one, 10-acetyl-2,3,6,7-tetrahydro- EINECS 259-826-7 NSC 369287 Coumarin 334 UNII-2773GTW04S is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 289.37 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 55804-67-6 2773GTW04S Coumarin 521 10-Acetyl-2,3,6,7-tetrahydro-1H,5H,11H-(1)benzopyrano(6,7,8-ij)quinolizin-11-one 1H,5H,11H-(1)Benzopyrano(6,7,8-ij)quinolizin-11-one, 10-acetyl-2,3,6,7-tetrahydro- EINECS 259-826-7 NSC 369287 Coumarin 334 UNII-2773GTW04S under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC17H23NO3
Molecular Weight289.37 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972
Nitrogen Atoms1

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