Entecavir 4-Dimethylsilyl USP Impurity CAS 870614-82-7

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.870614-82-7
Molecular FormulaC14H21N5O3Si
Molecular Weight335.43 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Entecavir 4-Dimethylsilyl USP Impurity CAS 870614-82-7 chemical structure

Description

CATO supplies Entecavir 4-Dimethylsilyl USP Impurity (CAS 870614-82-7), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H21N5O3Si. Molecular weight: 335.43 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC14H21N5O3Si
Molecular Weight335.43 g/mol
AppearanceOff-white to pale 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms5

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