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7670-66-8

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7670-66-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7670-66-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,7 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 7670-66:
(6*7)+(5*6)+(4*7)+(3*0)+(2*6)+(1*6)=118
118 % 10 = 8
So 7670-66-8 is a valid CAS Registry Number.

7670-66-8Relevant articles and documents

Solution-phase combinatorial synthesis and evaluation of piperazine-2,5- dione derivatives

Loughlin, Wendy A.,Marshall, Raymond L.,Carreiro, Adelina,Elson, Kathryn E.

, p. 91 - 94 (2000)

An efficient one-pot synthesis of a 61-membered combinatorial chemistry library of piperazine-2,5-diones was accomplished. Results of combinatorial synthesis, purification, analysis, and biological evaluation are described.

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