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195189-72-1

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195189-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 195189-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,5,1,8 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 195189-72:
(8*1)+(7*9)+(6*5)+(5*1)+(4*8)+(3*9)+(2*7)+(1*2)=181
181 % 10 = 1
So 195189-72-1 is a valid CAS Registry Number.

195189-72-1Relevant articles and documents

New ring transformation of N-unsubstituted 1,2,3-triazoles: Conversion of N-(1,2,3-triazolyl)-hydrazonoyl bromides into functionalized 1,2,4-triazoles

Moderhack,Beissner

, p. 582 - 586 (2007/10/03)

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