Methyl 2-({4-[(1E)-(methoxyimino)methyl]-1-methyl-3-phenyl-1H-pyrazol-5-yl}sulfanyl)benzoate CAS 303984-98-7

Purity 97%+In StockPharmaceutical Standards
CAS No.303984-98-7
Molecular FormulaC20H19N3O3S
Molecular Weight381.45 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methyl 2-({4-[(1E)-(methoxyimino)methyl]-1-methyl-3-phenyl-1H-pyrazol-5-yl}sulfanyl)benzoate CAS 303984-98-7 chemical structure

Description

Methyl 2-({4-[(1E)-(methoxyimino)methyl]-1-methyl-3-phenyl-1H-pyrazol-5-yl}sulfanyl)benzoate (CAS 303984-98-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H19N3O3S. Molecular weight: 381.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC20H19N3O3S
Molecular Weight381.45 g/mol
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.)2025
Nitrogen Atoms3
Sulfur Atoms1

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