1398940-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1398940-12-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,8,9,4 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1398940-12:
(9*1)+(8*3)+(7*9)+(6*8)+(5*9)+(4*4)+(3*0)+(2*1)+(1*2)=209
209 % 10 = 9
So 1398940-12-9 is a valid CAS Registry Number.