333320-61-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 333320-61-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,3,2 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 333320-61:
(8*3)+(7*3)+(6*3)+(5*3)+(4*2)+(3*0)+(2*6)+(1*1)=99
99 % 10 = 9
So 333320-61-9 is a valid CAS Registry Number.