4-N3Pfp-NHS ester CAS 126695-58-7

Purity 97%+In StockPharmaceutical Standards
CAS No.126695-58-7
Molecular FormulaC11H4F4N4O4
Molecular Weight332.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-N3Pfp-NHS ester CAS 126695-58-7 chemical structure

Description

4-N3Pfp-NHS ester (CAS 126695-58-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C11H4F4N4O4. Molecular weight: 332.17 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC11H4F4N4O4
Molecular Weight332.17 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
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.)1993
Halogen ContentF-containing
Nitrogen Atoms4

Recommended Standards

Why CATO?