1256486-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256486-31-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,4,8 and 6 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1256486-31:
(9*1)+(8*2)+(7*5)+(6*6)+(5*4)+(4*8)+(3*6)+(2*3)+(1*1)=173
173 % 10 = 3
So 1256486-31-3 is a valid CAS Registry Number.