33285-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33285-61-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,2,8 and 5 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33285-61:
(7*3)+(6*3)+(5*2)+(4*8)+(3*5)+(2*6)+(1*1)=109
109 % 10 = 9
So 33285-61-9 is a valid CAS Registry Number.