18,19-Dimethoxy-4,5,7,9,13-pentaazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one CAS 861209-59-8

Purity 97%+In StockPharmaceutical Standards
CAS No.861209-59-8
Molecular FormulaC18H17N5O3
Molecular Weight351.36 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

18,19-Dimethoxy-4,5,7,9,13-pentaazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one CAS 861209-59-8 chemical structure

Description

High-purity 18,19-Dimethoxy-4,5,7,9,13-pentaazapentacyclo[11.8.0.0^{3,11}.0^{4,8}.0^{16,21}]henicosa-3(11),5,7,9,16(21),17,19-heptaen-12-one (CAS 861209-59-8) pharmaceutical standards reference standard. Molecular formula: C18H17N5O3. Molecular weight: 351.36 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC18H17N5O3
Molecular Weight351.36 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.)1987
Nitrogen Atoms5

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