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4-(Acetylaminophenyl)-sulfonylessigsaeure, also known as 4-(4-acetamidophenyl)sulfonylbenzoic acid, is a chemical compound with the molecular formula C15H13NO5S. It is a derivative of benzoic acid, featuring a sulfonyl group attached to the benzene ring and an acetylaminophenyl group as a substituent. 4-(Acetylaminophenyl)-sulfonylessigsaeure is primarily used as an intermediate in the synthesis of various pharmaceuticals, particularly in the production of nonsteroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents. Its chemical structure and properties make it a valuable building block in the development of new drugs, as it can be further modified to create a range of active pharmaceutical ingredients.

3406-72-2

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3406-72-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3406-72-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,0 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 3406-72:
(6*3)+(5*4)+(4*0)+(3*6)+(2*7)+(1*2)=72
72 % 10 = 2
So 3406-72-2 is a valid CAS Registry Number.

3406-72-2Relevant academic research and scientific papers

Syntheses of Some Alkyl-, Cycloalkyl-, and Aryl-(4-aminophenyl)-sulfones

Courtin, Alfred

, p. 1046 - 1052 (2007/10/02)

Syntheses of (4-aminophenyl)-alkyl, -cycloalkyl and -aryl sulfones 2 were achieved both by alkylation of 4-(acetylamino)-benzenesulfinic acid (7) to the corresponding acetanilides 9 followed by hydrolysis and by oxidation of the appropriate (4-nitrophenyl)-sulfides 11 to (4-nitrophenyl)-sulfones 1 with subsequent Bechamp reduction.

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