33668-02-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33668-02-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,6,6 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33668-02:
(7*3)+(6*3)+(5*6)+(4*6)+(3*8)+(2*0)+(1*2)=119
119 % 10 = 9
So 33668-02-9 is a valid CAS Registry Number.