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81171-31-5

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81171-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81171-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,7 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81171-31:
(7*8)+(6*1)+(5*1)+(4*7)+(3*1)+(2*3)+(1*1)=105
105 % 10 = 5
So 81171-31-5 is a valid CAS Registry Number.

81171-31-5Relevant articles and documents

Regiospezifische α-Alkylierung von α-Halogenalkylidenaminen ("α-Halogenketiminen")

Klimpe, Norbert De,Sulmon, Paul,Schamp, Niceas

, p. 878 - 879 (2007/10/02)

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