1399050-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1399050-09-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,9,0,5 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1399050-09:
(9*1)+(8*3)+(7*9)+(6*9)+(5*0)+(4*5)+(3*0)+(2*0)+(1*9)=179
179 % 10 = 9
So 1399050-09-9 is a valid CAS Registry Number.