33388-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33388-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,3,8 and 8 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33388-87:
(7*3)+(6*3)+(5*3)+(4*8)+(3*8)+(2*8)+(1*7)=133
133 % 10 = 3
So 33388-87-3 is a valid CAS Registry Number.