342-47-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342-47-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,4 and 2 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 342-47:
(5*3)+(4*4)+(3*2)+(2*4)+(1*7)=52
52 % 10 = 2
So 342-47-2 is a valid CAS Registry Number.