1138331-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1138331-82-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,3,3 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1138331-82:
(9*1)+(8*1)+(7*3)+(6*8)+(5*3)+(4*3)+(3*1)+(2*8)+(1*2)=134
134 % 10 = 4
So 1138331-82-4 is a valid CAS Registry Number.