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Carbonofluoridic acid, 4-chlorophenyl ester, also known as 4-chlorophenyl difluoroformate, is an organic compound with the chemical formula C7H4ClF2O2. It is a colorless liquid that is soluble in organic solvents and has a molecular weight of 200.56 g/mol. Carbonofluoridic acid, 4-chlorophenyl ester is a derivative of carbonofluoridic acid, where the 4-chlorophenyl group replaces the hydrogen atom in the parent acid. It is synthesized by reacting 4-chlorophenol with difluoroformyl chloride in the presence of a base. Carbonofluoridic acid, 4-chlorophenyl ester, is used as a reagent in organic synthesis, particularly in the formation of peptide bonds and as a protecting group in peptide chemistry. Due to its reactivity and potential toxicity, it should be handled with care and used in a controlled environment.

1644-73-1

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1644-73-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1644-73-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,4 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1644-73:
(6*1)+(5*6)+(4*4)+(3*4)+(2*7)+(1*3)=81
81 % 10 = 1
So 1644-73-1 is a valid CAS Registry Number.

1644-73-1SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name (4-chlorophenyl) carbonofluoridate

1.2 Other means of identification

Product number -
Other names 4-Chlor-1-fluorformyloxy-benzol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1644-73-1 SDS

1644-73-1Relevant academic research and scientific papers

Organic fluorides from fluoroformic esters

-

, (2008/06/13)

A method for the preparation of an organic fluoride by contacting a fluoroformic acid ester with alumina at a temperature in the range 200°-600° C.

THE PREPARATION OF FLUOROARENES BY THE CATALYTIC DECARBOXYLATION OF ARYL FLUOROFORMATES

Ashton, David P.,Ryan, Anthony T.,Webster, Brian R.,Wolfindale, Brett A.

, p. 263 - 274 (2007/10/02)

The catalytic decarboxylation of phenyl fluoroformate to fluorobenzene has been achieved with yields of 70-80percent in a flow system using alumina or alumina-based catalysts.The reaction occurs in short space times (Pd/Al2O3>Rh/Al2O3 ca.Al2O3. 2,4,6-Trimethylphenyl fluoroformate, a new material, was found to decarboxylate similarly to give 1-fluoro-2,4,6-trimethylbenzene, but 4-chlorophenyl fluoroformate was noted to produce only low yields (ca. 10percent) of the corresponding aryl fluoride.

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