1389346-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1389346-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,9,3,4 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1389346-99:
(9*1)+(8*3)+(7*8)+(6*9)+(5*3)+(4*4)+(3*6)+(2*9)+(1*9)=219
219 % 10 = 9
So 1389346-99-9 is a valid CAS Registry Number.