2H-1-Benzopyran-2-one, 7-(diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)- 41044-12-6 7-(Diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)-2H-chromen-2-one 7-(diethylamino)-3-(1-methylbenzimidazol-2-yl)chromen-2-one Coumarin 30 NSC290433 CAS 41044-12-6

Purity 97%+In StockPharmaceutical Standards
CAS No.41044-12-6
Molecular FormulaC21H35N3O2
Molecular Weight361.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2H-1-Benzopyran-2-one, 7-(diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)-
41044-12-6
7-(Diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)-2H-chromen-2-one
7-(diethylamino)-3-(1-methylbenzimidazol-2-yl)chromen-2-one
Coumarin 30
NSC290433 CAS 41044-12-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2H-1-Benzopyran-2-one, 7-(diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)- 41044-12-6 7-(Diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)-2H-chromen-2-one 7-(diethylamino)-3-(1-methylbenzimidazol-2-yl)chromen-2-one Coumarin 30 NSC290433.

2H-1-Benzopyran-2-one, 7-(diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)- 41044-12-6 7-(Diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)-2H-chromen-2-one 7-(diethylamino)-3-(1-methylbenzimidazol-2-yl)chromen-2-one Coumarin 30 NSC290433 (CAS 41044-12-6), molecular formula C21H35N3O2 and molecular weight 361.52 g/mol, is a CATO reference standard with documented purity and traceability.

2H-1-Benzopyran-2-one, 7-(diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)- 41044-12-6 7-(Diethylamino)-3-(1-methyl-1H-benzimidazol-2-yl)-2H-chromen-2-one 7-(diethylamino)-3-(1-methylbenzimidazol-2-yl)chromen-2-one Coumarin 30 NSC290433 (C21H35N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC21H35N3O2
Molecular Weight361.52 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 DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms3

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