4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinol CAS 183320-72-1

Purity 97%+In StockPharmaceutical Standards
CAS No.183320-72-1
Molecular FormulaC19H17N3O3
Molecular Weight335.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinol CAS 183320-72-1 chemical structure

Description

4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinol (CAS 183320-72-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H17N3O3. Molecular weight: 335.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC19H17N3O3
Molecular Weight335.36 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2009
Nitrogen Atoms3

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