1273019-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1273019-30-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,3,0,1 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1273019-30:
(9*1)+(8*2)+(7*7)+(6*3)+(5*0)+(4*1)+(3*9)+(2*3)+(1*0)=129
129 % 10 = 9
So 1273019-30-9 is a valid CAS Registry Number.