18897-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18897-34-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,9 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 18897-34:
(7*1)+(6*8)+(5*8)+(4*9)+(3*7)+(2*3)+(1*4)=162
162 % 10 = 2
So 18897-34-2 is a valid CAS Registry Number.