344871-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344871-97-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,8,7 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 344871-97:
(8*3)+(7*4)+(6*4)+(5*8)+(4*7)+(3*1)+(2*9)+(1*7)=172
172 % 10 = 2
So 344871-97-2 is a valid CAS Registry Number.