343223-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343223-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,2,2 and 3 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 343223-18:
(8*3)+(7*4)+(6*3)+(5*2)+(4*2)+(3*3)+(2*1)+(1*8)=107
107 % 10 = 7
So 343223-18-7 is a valid CAS Registry Number.