339342-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339342-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,3,4 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 339342-61:
(8*3)+(7*3)+(6*9)+(5*3)+(4*4)+(3*2)+(2*6)+(1*1)=149
149 % 10 = 9
So 339342-61-9 is a valid CAS Registry Number.