340228-50-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 340228-50-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,2,2 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 340228-50:
(8*3)+(7*4)+(6*0)+(5*2)+(4*2)+(3*8)+(2*5)+(1*0)=104
104 % 10 = 4
So 340228-50-4 is a valid CAS Registry Number.