343372-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343372-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,3,7 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 343372-55:
(8*3)+(7*4)+(6*3)+(5*3)+(4*7)+(3*2)+(2*5)+(1*5)=134
134 % 10 = 4
So 343372-55-4 is a valid CAS Registry Number.