39603-24-2 Usage
Uses
5,7-Dimethylisatin is used to produce cyano-(5,7-dimethyl-2-oxo-1,2-dihydro-indol-3-ylidene)-acetic acid ethyl ester by knoevenagel condensation with cyanoacetic acid ethyl ester. It is an important raw material and intermediate used in organic synthesis, pharmaceuticals and agrochemicals.
Check Digit Verification of cas no
The CAS Registry Mumber 39603-24-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,6,0 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 39603-24:
(7*3)+(6*9)+(5*6)+(4*0)+(3*3)+(2*2)+(1*4)=122
122 % 10 = 2
So 39603-24-2 is a valid CAS Registry Number.
InChI:InChI=1/C10H9NO2/c1-5-3-6(2)8-7(4-5)9(12)10(13)11-8/h3-4H,1-2H3,(H,11,12,13)