18995-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18995-80-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,9 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18995-80:
(7*1)+(6*8)+(5*9)+(4*9)+(3*5)+(2*8)+(1*0)=167
167 % 10 = 7
So 18995-80-7 is a valid CAS Registry Number.