1131880-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1131880-82-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,8,8 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1131880-82:
(9*1)+(8*1)+(7*3)+(6*1)+(5*8)+(4*8)+(3*0)+(2*8)+(1*2)=134
134 % 10 = 4
So 1131880-82-4 is a valid CAS Registry Number.