636-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 636-74-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,3 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 636-74:
(5*6)+(4*3)+(3*6)+(2*7)+(1*4)=78
78 % 10 = 8
So 636-74-8 is a valid CAS Registry Number.