342392-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342392-28-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,3,9 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 342392-28:
(8*3)+(7*4)+(6*2)+(5*3)+(4*9)+(3*2)+(2*2)+(1*8)=133
133 % 10 = 3
So 342392-28-3 is a valid CAS Registry Number.