156946-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 156946-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,9,4 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 156946-12:
(8*1)+(7*5)+(6*6)+(5*9)+(4*4)+(3*6)+(2*1)+(1*2)=162
162 % 10 = 2
So 156946-12-2 is a valid CAS Registry Number.