718632-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 718632-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,8,6,3 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 718632-74:
(8*7)+(7*1)+(6*8)+(5*6)+(4*3)+(3*2)+(2*7)+(1*4)=177
177 % 10 = 7
So 718632-74-7 is a valid CAS Registry Number.