185457-33-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 185457-33-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,5,4,5 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 185457-33:
(8*1)+(7*8)+(6*5)+(5*4)+(4*5)+(3*7)+(2*3)+(1*3)=164
164 % 10 = 4
So 185457-33-4 is a valid CAS Registry Number.