342428-64-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342428-64-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,4,2 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 342428-64:
(8*3)+(7*4)+(6*2)+(5*4)+(4*2)+(3*8)+(2*6)+(1*4)=132
132 % 10 = 2
So 342428-64-2 is a valid CAS Registry Number.