3-(Acetoxyamino)-2-methylquinazolin-4(3H)-one CAS 194536-03-3

Purity 97%+In StockPharmaceutical Standards
CAS No.194536-03-3
Molecular FormulaC11H11N3O3
Molecular Weight233.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-(Acetoxyamino)-2-methylquinazolin-4(3H)-one CAS 194536-03-3 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 3-(Acetoxyamino)-2-methylquinazolin-4(3H)-one.

3-(Acetoxyamino)-2-methylquinazolin-4(3H)-one (CAS 194536-03-3) is a high-purity analytical reference standard with the molecular formula C11H11N3O3 and a molecular weight of 233.22 g/mol.

Structurally, 3-(Acetoxyamino)-2-methylquinazolin-4(3H)-one (C11H11N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 233.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

As a certified reference material (CRM), 3-(Acetoxyamino)-2-methylquinazolin-4(3H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC11H11N3O3
Molecular Weight233.22 g/mol
AppearancePale yellow to yellow crystalline powder
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.)2012
Nitrogen Atoms3

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