33313-78-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33313-78-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,1 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33313-78:
(7*3)+(6*3)+(5*3)+(4*1)+(3*3)+(2*7)+(1*8)=89
89 % 10 = 9
So 33313-78-9 is a valid CAS Registry Number.