1031130-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1031130-72-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,1,3 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1031130-72:
(9*1)+(8*0)+(7*3)+(6*1)+(5*1)+(4*3)+(3*0)+(2*7)+(1*2)=69
69 % 10 = 9
So 1031130-72-9 is a valid CAS Registry Number.