4-tert-Butyl-N'-[(1E)-(3,5-dibromo-2-hydroxyphenyl)methylidene]benzohydrazide CAS 328921-31-9

Purity 97%+In StockPharmaceutical Standards
CAS No.328921-31-9
Molecular FormulaC18H18Br2N2O2
Molecular Weight454.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-tert-Butyl-N'-[(1E)-(3,5-dibromo-2-hydroxyphenyl)methylidene]benzohydrazide CAS 328921-31-9 chemical structure

Description

CATO supplies 4-tert-Butyl-N'-[(1E)-(3,5-dibromo-2-hydroxyphenyl)methylidene]benzohydrazide (CAS 328921-31-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H18Br2N2O2. Molecular weight: 454.16 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC18H18Br2N2O2
Molecular Weight454.16 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 ContentBr-containing
Nitrogen Atoms2

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