33716-67-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33716-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,7,1 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33716-67:
(7*3)+(6*3)+(5*7)+(4*1)+(3*6)+(2*6)+(1*7)=115
115 % 10 = 5
So 33716-67-5 is a valid CAS Registry Number.