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1-<4-Hydroxy-anilino>-buten-(1)-on-(3) is a complex organic compound with the molecular formula C10H11NO2. It is characterized by a butenone backbone, which is a four-carbon chain with a carbonyl group at the third position. The 4-hydroxy-anilino group is attached to the first carbon of the butenone, providing a hydroxyl group and an aniline moiety. 1-<4-Hydroxy-anilino>-buten-(1)-on-(3) is known for its potential applications in the synthesis of various pharmaceuticals and chemical intermediates, particularly in the development of compounds with biological activity. Its structure and properties make it a versatile building block in organic chemistry, although it requires careful handling due to its reactivity and potential toxicity.

5622-21-9

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5622-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5622-21-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,2 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5622-21:
(6*5)+(5*6)+(4*2)+(3*2)+(2*2)+(1*1)=79
79 % 10 = 9
So 5622-21-9 is a valid CAS Registry Number.

5622-21-9Downstream Products

5622-21-9Relevant academic research and scientific papers

Remarkable catalytic effect of H+ in Michael-type additions of anilines to 3-butyn-2-one

Um, Ik-Hwan,Lee, Eun-Ju,Min, Ji-Sook

, p. 9585 - 9589 (2001)

Second-order rate constants (kN) for the Michael-type reaction of 3-butyn-2-one (1) with a series of anilines in H2O have been determined spectrophotometrically. The kN values are dependent on the free aniline fraction (F

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