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22128-63-8

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22128-63-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22128-63-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,2 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22128-63:
(7*2)+(6*2)+(5*1)+(4*2)+(3*8)+(2*6)+(1*3)=78
78 % 10 = 8
So 22128-63-8 is a valid CAS Registry Number.

22128-63-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name dichloromethoxycarbonyl chloride

1.2 Other means of identification

Product number -
Other names chlorocarbonic acid dichloromethyl ester

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:22128-63-8 SDS

22128-63-8Relevant articles and documents

Method for purifying chloromethyl chloroformate

-

Page 7, (2008/06/13)

Describes a method for obtaining substantially pure chloromethyl chloroformate from a chloroformate mixture comprising chloromethyl chloroformate and methyl chloroformate by heating the chloroformate mixture in a reaction zone at temperatures ranging from at least 50° C. to the reflux temperature of the chloroformate mixture in the reaction zone while simultaneously removing volatile gaseous decomposition products from the reaction zone. Dichloromethyl chloroformate may also be present in the chloroformate mixture.

Acyloxymethyl carbonochloridates. New intermediates in prodrug synthesis

Folkmann,Lund

, p. 1159 - 1166 (2007/10/02)

The synthesis of a number of stable acyloxymethyl carbonochloridates 7 has been accomplished in four steps from chloromethyl carbonochloridate 3. Each step has been optimized with propanoyl-oxymethyl carbonochloridate 7c as a model compound (64% overall yield). Diethyl ether-boron trifluoride catalyzes the conversion of carbonothioate 6cc to the carbonochloridate 7c by chlorination with sulfuryl chloride. Acylation of a few compounds containing hydroxy or amino groups by 7c is described.

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