4228-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4228-71-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,2 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4228-71:
(6*4)+(5*2)+(4*2)+(3*8)+(2*7)+(1*1)=81
81 % 10 = 1
So 4228-71-1 is a valid CAS Registry Number.
InChI:InChI=1/C8H11NO3/c9-4-3-5-1-2-6(10)8(12)7(5)11/h1-2,10-12H,3-4,9H2