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40421-90-7

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40421-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40421-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,2 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40421-90:
(7*4)+(6*0)+(5*4)+(4*2)+(3*1)+(2*9)+(1*0)=77
77 % 10 = 7
So 40421-90-7 is a valid CAS Registry Number.

40421-90-7Downstream Products

40421-90-7Relevant articles and documents

Reactions of N-substituted amidines with heterocumulenes. 3. Unusual NH-N bridges in carbamoylamidines

Kolb,Schwenker

, p. 105 - 114 (1973)

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