344340-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 344340-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,3,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 344340-76:
(8*3)+(7*4)+(6*4)+(5*3)+(4*4)+(3*0)+(2*7)+(1*6)=127
127 % 10 = 7
So 344340-76-7 is a valid CAS Registry Number.