1251-77-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1251-77-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,5 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1251-77:
(6*1)+(5*2)+(4*5)+(3*1)+(2*7)+(1*7)=60
60 % 10 = 0
So 1251-77-0 is a valid CAS Registry Number.