33239-13-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33239-13-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,2,3 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 33239-13:
(7*3)+(6*3)+(5*2)+(4*3)+(3*9)+(2*1)+(1*3)=93
93 % 10 = 3
So 33239-13-3 is a valid CAS Registry Number.