344285-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344285-18-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,2,8 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 344285-18:
(8*3)+(7*4)+(6*4)+(5*2)+(4*8)+(3*5)+(2*1)+(1*8)=143
143 % 10 = 3
So 344285-18-3 is a valid CAS Registry Number.