731817-46-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 731817-46-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,1,8,1 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 731817-46:
(8*7)+(7*3)+(6*1)+(5*8)+(4*1)+(3*7)+(2*4)+(1*6)=162
162 % 10 = 2
So 731817-46-2 is a valid CAS Registry Number.