1083313-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1083313-74-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,3,3,1 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1083313-74:
(9*1)+(8*0)+(7*8)+(6*3)+(5*3)+(4*1)+(3*3)+(2*7)+(1*4)=129
129 % 10 = 9
So 1083313-74-9 is a valid CAS Registry Number.