33913-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33913-50-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,9,1 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 33913-50:
(7*3)+(6*3)+(5*9)+(4*1)+(3*3)+(2*5)+(1*0)=107
107 % 10 = 7
So 33913-50-7 is a valid CAS Registry Number.