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157168-70-2

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157168-70-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157168-70-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,1,6 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 157168-70:
(8*1)+(7*5)+(6*7)+(5*1)+(4*6)+(3*8)+(2*7)+(1*0)=152
152 % 10 = 2
So 157168-70-2 is a valid CAS Registry Number.

157168-70-2Relevant articles and documents

A Synthesis of 1,3,5-Thiadiazepine Skeleton Derivatives: Benzimidazopyridothiadiazepine and Benzimidazobenzothiadiazepine Derivatives

Jin, Byung-Woo,Cho, Sung-Hye

, p. 1213 - 1216 (2007/10/02)

Pyrido and benzothiadiazepine derivatives have been successfully synthesized in good yields by the reaction of N-substituted thiourea (6) and N-substituted S-methylisothiourea (7) derivatives in the presence of DCC or potassium carbonate.

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