1131004-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1131004-82-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,1,0,0 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1131004-82:
(9*1)+(8*1)+(7*3)+(6*1)+(5*0)+(4*0)+(3*4)+(2*8)+(1*2)=74
74 % 10 = 4
So 1131004-82-4 is a valid CAS Registry Number.