3-Methyl-4-oxo-3,4-dihydrobenzo[d][1,2,3]triazine-7-carboxylic acid CAS 167903-09-5

Purity 97%+In StockPharmaceutical Standards
CAS No.167903-09-5
Molecular FormulaC9H7N3O3
Molecular Weight205.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-4-oxo-3,4-dihydrobenzo[d][1,2,3]triazine-7-carboxylic acid CAS 167903-09-5 chemical structure

Description

3-Methyl-4-oxo-3,4-dihydrobenzo[d][1,2,3]triazine-7-carboxylic acid (CAS 167903-09-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H7N3O3. Molecular weight: 205.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC9H7N3O3
Molecular Weight205.17 g/mol
AppearancePale yellow to 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2004
Nitrogen Atoms3

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