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496849-77-5

496849-77-5

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496849-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 496849-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,6,8,4 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 496849-77:
(8*4)+(7*9)+(6*6)+(5*8)+(4*4)+(3*9)+(2*7)+(1*7)=235
235 % 10 = 5
So 496849-77-5 is a valid CAS Registry Number.

496849-77-5SDS

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 4,5,6-trichloropicolinic acid

1.2 Other means of identification

Product number -
Other names 4,5,6-trichloro-pyridine-2-carboxylic acid

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:496849-77-5 SDS

496849-77-5Relevant articles and documents

PROCESS FOR THE PREPARATION OF 4,5,6-TRICHLOROPICOLINIC ACID

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Paragraph 6; 7, (2016/05/24)

4,5,6-Trichloropicolinic acid is prepared by selectively dechlonnating 3,4,5,6- tetrachloropicolinic acid with zinc and a catalyst prepared from a nickel compound and a bidentate ligand in a polar solvent. A process for the preparation of 4,5,6-trichloro-picolinic acid by the regioselective reductive dechlorination of 3,4,5,6-tetrachloropicolinic acid is provided. More particularly, the process is described for the preparation of 4,5,6-trichloropicolinic acid (Formula I) which comprises selectively dechlonnating 3,4,5,6-tetrachloropicolinic acid (Formula II) with zinc and a catalyst prepared from a nickel compound and a bidentate ligand in a polar solvent.

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