33353-76-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33353-76-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,5 and 3 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 33353-76:
(7*3)+(6*3)+(5*3)+(4*5)+(3*3)+(2*7)+(1*6)=103
103 % 10 = 3
So 33353-76-3 is a valid CAS Registry Number.