339019-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339019-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,0,1 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 339019-91:
(8*3)+(7*3)+(6*9)+(5*0)+(4*1)+(3*9)+(2*9)+(1*1)=149
149 % 10 = 9
So 339019-91-9 is a valid CAS Registry Number.