123888-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123888-99-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,8 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123888-99:
(8*1)+(7*2)+(6*3)+(5*8)+(4*8)+(3*8)+(2*9)+(1*9)=163
163 % 10 = 3
So 123888-99-3 is a valid CAS Registry Number.