186-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186-33-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,8 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 186-33:
(5*1)+(4*8)+(3*6)+(2*3)+(1*3)=64
64 % 10 = 4
So 186-33-4 is a valid CAS Registry Number.