High Purity 4-Nitrophenyl chloroformate CAS 7693-46-1 298% Solid For Laboratory Organic Synthesis

Product Description

Category	Specification
Chemical Name	4-Nitrophenyl chloroformate
CAS Number	7693-46-1
EC Number	231-714-5
Molecular Formula	C7H4ClNO4
Molecular Weight	201.56 g/mol
Appearance	White to pale yellow crystalline solid
Odor	Slight acidic odor
Purity (HPLC)	≥98.0% (Reagent Grade)
Melting Point	72-75°C
UV Absorption	λmax=310 nm (ε=9,500)
Solubility	Soluble in THF, reacts with water
Storage Conditions	Store at 2-8°C under desiccant
Shelf Life	12 months (unopened)
4-Nitrophenyl chloroformate is a highly reactive acylating agent widely used in coupling and polymer chemistry. It activates carboxylic acids to form active esters, facilitating amide bond formation with amines. Particularly valuable for solid-phase synthesis and bioconjugation, this reagent (≥98% purity) produces as a visible leaving group.

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