5,6-Dichloropurine-1-(2,3,5-tri-O-acetyl-b-D-ribofuanosyl)-1H-benzimidazole CAS 443678-71-5

Purity 97%+In StockPharmaceutical Standards
CAS No.443678-71-5
Molecular FormulaC18H18Cl2N2O7
Molecular Weight445.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5,6-Dichloropurine-1-(2,3,5-tri-O-acetyl-b-D-ribofuanosyl)-1H-benzimidazole CAS 443678-71-5 chemical structure

Description

5,6-Dichloropurine-1-(2,3,5-tri-O-acetyl-b-D-ribofuanosyl)-1H-benzimidazole (CAS 443678-71-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H18Cl2N2O7. Molecular weight: 445.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC18H18Cl2N2O7
Molecular Weight445.25 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2

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