63641-10-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63641-10-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,6,4 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 63641-10:
(7*6)+(6*3)+(5*6)+(4*4)+(3*1)+(2*1)+(1*0)=111
111 % 10 = 1
So 63641-10-1 is a valid CAS Registry Number.