339101-34-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 339101-34-7 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 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 339101-34:
(8*3)+(7*3)+(6*9)+(5*1)+(4*0)+(3*1)+(2*3)+(1*4)=117
117 % 10 = 7
So 339101-34-7 is a valid CAS Registry Number.