668481-74-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 668481-74-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,8,4,8 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 668481-74:
(8*6)+(7*6)+(6*8)+(5*4)+(4*8)+(3*1)+(2*7)+(1*4)=211
211 % 10 = 1
So 668481-74-1 is a valid CAS Registry Number.