339107-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339107-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,9,1,0 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 339107-18:
(8*3)+(7*3)+(6*9)+(5*1)+(4*0)+(3*7)+(2*1)+(1*8)=135
135 % 10 = 5
So 339107-18-5 is a valid CAS Registry Number.