1273017-05-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1273017-05-2 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 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1273017-05:
(9*1)+(8*2)+(7*7)+(6*3)+(5*0)+(4*1)+(3*7)+(2*0)+(1*5)=122
122 % 10 = 2
So 1273017-05-2 is a valid CAS Registry Number.