1133909-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1133909-74-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,3,9,0 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1133909-74:
(9*1)+(8*1)+(7*3)+(6*3)+(5*9)+(4*0)+(3*9)+(2*7)+(1*4)=146
146 % 10 = 6
So 1133909-74-6 is a valid CAS Registry Number.