183873-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183873-64-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,8,7 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 183873-64:
(8*1)+(7*8)+(6*3)+(5*8)+(4*7)+(3*3)+(2*6)+(1*4)=175
175 % 10 = 5
So 183873-64-5 is a valid CAS Registry Number.