N-(3,4-Dimethoxyphenyl)-6,7-dimethoxyquinazolin-4-amine CAS 202475-65-8

Purity 97%+In StockPharmaceutical Standards
CAS No.202475-65-8
Molecular FormulaC18H19N3O4
Molecular Weight341.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(3,4-Dimethoxyphenyl)-6,7-dimethoxyquinazolin-4-amine CAS 202475-65-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 341.36 g/mol gives N-(3,4-Dimethoxyphenyl)-6,7-dimethoxyquinazolin-4-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies N-(3,4-Dimethoxyphenyl)-6,7-dimethoxyquinazolin-4-amine (CAS 202475-65-8), a certified reference material (molecular formula C18H19N3O4, MW 341.36 g/mol) for analytical method development and quality control.

Structurally, N-(3,4-Dimethoxyphenyl)-6,7-dimethoxyquinazolin-4-amine (C18H19N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 341.36 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), N-(3,4-Dimethoxyphenyl)-6,7-dimethoxyquinazolin-4-amine 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 FormulaC18H19N3O4
Molecular Weight341.36 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 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2014
Nitrogen Atoms3

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