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97213-13-3

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97213-13-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97213-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,2,1 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97213-13:
(7*9)+(6*7)+(5*2)+(4*1)+(3*3)+(2*1)+(1*3)=133
133 % 10 = 3
So 97213-13-3 is a valid CAS Registry Number.

97213-13-3Relevant articles and documents

CARBONSAEURE-IMIDSAEURE-THIOANHYDRIDE AUS THIOAMIDEN UND CARBONSAEURECHLORIDEN IM ZWEIPHASENSYSTEM FLUESSIG-FEST

Walter, Wolfgang,Saha, Chantu Ranjan

, p. 63 - 78 (2007/10/02)

By acylation of thioamides in a two phase system liquid-solid with acetone-NaOH the hitherto unknown S-acylderivatives of the thioamides are obtained which may be regarded as Carboxylic acid-imidic acid-thioanhydrides.Some compounds of the new class can b

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