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6756-43-0

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6756-43-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6756-43-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,7,5 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6756-43:
(6*6)+(5*7)+(4*5)+(3*6)+(2*4)+(1*3)=120
120 % 10 = 0
So 6756-43-0 is a valid CAS Registry Number.

6756-43-0Downstream Products

6756-43-0Relevant articles and documents

Synthesis of aromatic carboxylic acids by carbonylation of aryl halides in the presence of epoxide-modified cobalt carbonyls as catalysts

Boyarskii,Zhesko,Lanina

, p. 1844 - 1848 (2005)

A new procedure was developed for synthesis of aromatic and heteroaromatic acids and their derivatives (esters, salts) by carbonylation of the corresponding aryl halides. The acids are selectively formed in a high yield under very mild conditions. Highly active catalytic systems, base-containing alcoholic solutions of cobalt carbonyl modified with epoxides, were used to activate aryl halides. 2005 Pleiades Publishing, Inc.

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