985-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 985-23-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,8 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 985-23:
(5*9)+(4*8)+(3*5)+(2*2)+(1*3)=99
99 % 10 = 9
So 985-23-9 is a valid CAS Registry Number.