1373502-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1373502-66-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,5,0 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1373502-66:
(9*1)+(8*3)+(7*7)+(6*3)+(5*5)+(4*0)+(3*2)+(2*6)+(1*6)=149
149 % 10 = 9
So 1373502-66-9 is a valid CAS Registry Number.