343777-72-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343777-72-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,7,7 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 343777-72:
(8*3)+(7*4)+(6*3)+(5*7)+(4*7)+(3*7)+(2*7)+(1*2)=170
170 % 10 = 0
So 343777-72-0 is a valid CAS Registry Number.