87912-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87912-74-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,1 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87912-74:
(7*8)+(6*7)+(5*9)+(4*1)+(3*2)+(2*7)+(1*4)=171
171 % 10 = 1
So 87912-74-1 is a valid CAS Registry Number.