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202743-06-4

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202743-06-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 202743-06-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,7,4 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 202743-06:
(8*2)+(7*0)+(6*2)+(5*7)+(4*4)+(3*3)+(2*0)+(1*6)=94
94 % 10 = 4
So 202743-06-4 is a valid CAS Registry Number.

202743-06-4Relevant articles and documents

A facile approach to trans-4,5-pyrrolidine lactam and application in the synthesis of nemonapride and streptopyrrolidine

Huang, Wei,Ma, Jing-Yi,Yuan, Mu,Xu, Long-Fei,Wei, Bang-Guo

, p. 7829 - 7837 (2011/10/12)

An efficient approach to trans-4-hydroxylpyrrolidine lactams 1 starting from amino acid is described. The utility of this method has been demonstrated in the synthesis of antipsychotic nemonapride 3 and antiangiogenic streptopyrrolidine 4. Compared four s

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