18267-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18267-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,6 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18267-97:
(7*1)+(6*8)+(5*2)+(4*6)+(3*7)+(2*9)+(1*7)=135
135 % 10 = 5
So 18267-97-5 is a valid CAS Registry Number.