18,19-Dimethoxy-12-oxo-4,5,9,13-tetraazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaene-7-carbonitrile CAS 685107-18-0

Purity 97%+In StockPharmaceutical Standards
CAS No.685107-18-0
Molecular FormulaC20H17N5O3
Molecular Weight375.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

18,19-Dimethoxy-12-oxo-4,5,9,13-tetraazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaene-7-carbonitrile CAS 685107-18-0 chemical structure

Description

18,19-Dimethoxy-12-oxo-4,5,9,13-tetraazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaene-7-carbonitrile (CAS 685107-18-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H17N5O3. Molecular weight: 375.38 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H17N5O3
Molecular Weight375.38 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)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms5

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