1133831-85-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1133831-85-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,3,8,3 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1133831-85:
(9*1)+(8*1)+(7*3)+(6*3)+(5*8)+(4*3)+(3*1)+(2*8)+(1*5)=132
132 % 10 = 2
So 1133831-85-2 is a valid CAS Registry Number.