1031937-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1031937-63-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,1,9,3 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1031937-63:
(9*1)+(8*0)+(7*3)+(6*1)+(5*9)+(4*3)+(3*7)+(2*6)+(1*3)=129
129 % 10 = 9
So 1031937-63-9 is a valid CAS Registry Number.