343863-91-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343863-91-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,8,6 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 343863-91:
(8*3)+(7*4)+(6*3)+(5*8)+(4*6)+(3*3)+(2*9)+(1*1)=162
162 % 10 = 2
So 343863-91-2 is a valid CAS Registry Number.