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1943733-57-0

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1943733-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1943733-57-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,9,4,3,7,3 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1943733-57:
(9*1)+(8*9)+(7*4)+(6*3)+(5*7)+(4*3)+(3*3)+(2*5)+(1*7)=200
200 % 10 = 0
So 1943733-57-0 is a valid CAS Registry Number.

1943733-57-0Downstream Products

1943733-57-0Relevant articles and documents

1,1′-Carbonyldiimidazole as a cyclodehydrating agent for the Castagnoli–Cushman reaction of dicarboxylic acids and imines

Chupakhin, Evgeny G.,Bakulina, Olga Yu.,Dar'in, Dmitry V.,Krasavin, Mikhail

, p. 292 - 293 (2019)

A novel protocol for the Castagnoli–Cushman reaction of dicarboxylic acids and imines comprises the use of 1,1′-carbonyldiimidazole as the cyclodehydrating agent to in situ produce the intermediate anhydrides. In contrast to previously developed procedure

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