1373148-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1373148-20-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,3,1,4 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1373148-20:
(9*1)+(8*3)+(7*7)+(6*3)+(5*1)+(4*4)+(3*8)+(2*2)+(1*0)=149
149 % 10 = 9
So 1373148-20-9 is a valid CAS Registry Number.