18889-27-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18889-27-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,8 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18889-27:
(7*1)+(6*8)+(5*8)+(4*8)+(3*9)+(2*2)+(1*7)=165
165 % 10 = 5
So 18889-27-5 is a valid CAS Registry Number.