9-Chloro-2-(4-methoxyphenyl)-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,1'-cyclopentane] CAS 303061-30-5

Purity 97%+In StockPharmaceutical Standards
CAS No.303061-30-5
Molecular FormulaC21H21ClN2O2
Molecular Weight368.86 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

9-Chloro-2-(4-methoxyphenyl)-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,1'-cyclopentane] CAS 303061-30-5 chemical structure

Description

CATO supplies 9-Chloro-2-(4-methoxyphenyl)-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,1'-cyclopentane] (CAS 303061-30-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H21ClN2O2. Molecular weight: 368.86 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC21H21ClN2O2
Molecular Weight368.86 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2

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