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107553-61-7

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107553-61-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107553-61-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,5,5 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 107553-61:
(8*1)+(7*0)+(6*7)+(5*5)+(4*5)+(3*3)+(2*6)+(1*1)=117
117 % 10 = 7
So 107553-61-7 is a valid CAS Registry Number.

107553-61-7Downstream Products

107553-61-7Relevant articles and documents

REACTIONS OF AROMARTIC AND HETEROAROMATIC COMPOUNDS CARRYING ELECTRON-ACCEPTOR SUBSTITUENTS. 26.ACYLAMINOMETHYLATION OF 2-ACYLTHIOPHENES,2-THIOPHENECARBOXYLIC ACID, AND ITS ESTERS.

Gol'dfarb, Ya. L.,Yakubov, A. P.,Belen'kii, L. I.

, p. 625 - 629 (2007/10/02)

The reaction of 2-thiophene aldehyde, 2-acetylthiophene, 2-thiophene carboxylic acid, and its methyl ester with N-(hydroxymethyl)chloroacetamide in concentrated sulfuric acid yields a mixture of 4- and 5-(N-chloroacetylamino)methyl derivatives, the former being preferred.

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