6-NITRO-2H-1,4-BENZOXAZIN-3(4H)-ONE 6-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one 81721-87-1 CAS 81721-87-1

Purity 97%+In StockPharmaceutical Standards
CAS No.81721-87-1
Molecular FormulaC8H12N2O4
Molecular Weight200.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

6-NITRO-2H-1,4-BENZOXAZIN-3(4H)-ONE 6-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one 81721-87-1 CAS 81721-87-1 chemical structure

Description

CATO supplies 6-NITRO-2H-1,4-BENZOXAZIN-3(4H)-ONE 6-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one 81721-87-1 (CAS 81721-87-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H12N2O4. Molecular weight: 200.19 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC8H12N2O4
Molecular Weight200.19 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980
Nitrogen Atoms2

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