1256921-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256921-74-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,9,2 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1256921-74:
(9*1)+(8*2)+(7*5)+(6*6)+(5*9)+(4*2)+(3*1)+(2*7)+(1*4)=170
170 % 10 = 0
So 1256921-74-0 is a valid CAS Registry Number.