156712-79-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156712-79-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,1 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 156712-79:
(8*1)+(7*5)+(6*6)+(5*7)+(4*1)+(3*2)+(2*7)+(1*9)=147
147 % 10 = 7
So 156712-79-7 is a valid CAS Registry Number.