343347-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343347-54-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,3,4 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 343347-54:
(8*3)+(7*4)+(6*3)+(5*3)+(4*4)+(3*7)+(2*5)+(1*4)=136
136 % 10 = 6
So 343347-54-6 is a valid CAS Registry Number.