1-(4-Chlorophenyl)Urea CAS 140-38-5

Purity >95%In StockPharmaceutical Standards
CAS No.140-38-5
Molecular FormulaC7H7ClN2O
Molecular Weight170.60 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-Chlorophenyl)Urea CAS 140-38-5 chemical structure

Description

1-(4-Chlorophenyl)Urea (CAS 140-38-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7ClN2O. Molecular weight: 170.60 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H7ClN2O
Molecular Weight170.60 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity>95%
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Halogen ContentCl-containing
Nitrogen Atoms2

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