33666-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33666-11-4 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 6 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 33666-11:
(7*3)+(6*3)+(5*6)+(4*6)+(3*6)+(2*1)+(1*1)=114
114 % 10 = 4
So 33666-11-4 is a valid CAS Registry Number.