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1-Phenyl-3-(2-thienyl)-5-[4-(dimethylamino)phenyl]-Δ2-pyrazoline is a complex organic compound with a unique molecular structure. It is characterized by a pyrazoline ring, which is a five-membered ring containing two nitrogen atoms. The molecule features a phenyl group (C6H5) at the 1-position, a 2-thienyl group (a sulfur-containing aromatic ring) at the 3-position, and a 4-(dimethylamino)phenyl group (a phenyl ring with a dimethylamino substituent) at the 5-position. 1-phenyl-3-(2-thienyl)-5-[4-(dimethylamino)phenyl]-Δ2-pyrazoline is likely to be of interest in the field of organic chemistry, potentially for its electronic properties or as a building block in the synthesis of more complex molecules. The specific applications or properties of 1-phenyl-3-(2-thienyl)-5-[4-(dimethylamino)phenyl]-Δ2-pyrazoline would depend on its reactivity, stability, and potential interactions with other molecules, which are not detailed in this summary.

5204-21-7

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5204-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5204-21-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,2,0 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5204-21:
(6*5)+(5*2)+(4*0)+(3*4)+(2*2)+(1*1)=57
57 % 10 = 7
So 5204-21-7 is a valid CAS Registry Number.

5204-21-7Downstream Products

5204-21-7Relevant academic research and scientific papers

Synthesis of 3,5-disubstituted pyrazoles and their derivatives

Ingle,Doshi,Raut,Kadu

, p. 1691 - 1698 (2012/06/15)

2-Acetylthiophene condenses with different aromatic aldehyde in ethanol in the presence of aqueous NaOH to give 1-(2′-thienyl)-3-(substituted phenyl)-2-propen-1-one (Ia-e) which reacts with hydrazine hydrate in ethanol to give pyrazoline (IIa-e) and also treated with DMSO in presence of catalytic amount of iodine to give pyrazole (II′a-e) Similarly, 1-phenyl pyrazoline (IIIa-e) treated with DMSO/I2 to give 1-phenyl pyrazole(III′a- e), 1-(2,4-dinitro phenyl) pyrazoline (IVa-e) treated with DMSO/I2 to give 1-(2,4-dinitro phenyl) pyrazole(IV′a-e), 1-carboxamido pyrazoline (Va-e) treated with DMSO/I2 to give 1-carboxamido pyrazole (V′a-e), 1-acetyl pyrazoline (VIa-e) treated with DMSO/I2 to give 1-acetyl pyrazole (VI′a-e), 1-benzoyl pyrazoline (VIIa-e) treated with DMSO/I2 to give 1-benzoyl pyrazole (VII′a-e) and 1-nitroso pyrazoline (VIIIa-e) treated with DMSO/I2 to give 1-nitroso pyrazole (VIII′a-e). Characterization and structural elucidation was carried out on the basis of melting points determination, analytical and spectral studies.

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