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4'-(methylthio)acetophenone

4'-(METHYLTHIO)ACETOPHENONE 97%

Catalog No.
C005B-022448
Manufacturer No.
396583-1G
Manufacturer Name
Sigma-Aldrich
Quantity
1
Unit of Measure
GR

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4′-(Methylthio)acetophenone (4-(Methylthio)acetophenone, p -(methylthio) acetophenone, 4-MTAP) is a sulphur containing organic building block. It is a key intermediate in drug synthesis.

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General description

4′-(Methylthio)acetophenone (4-(Methylthio)acetophenone, p-(methylthio) acetophenone, 4-MTAP) is a sulphur containing organic building block. It is a key intermediate in drug synthesis. Its industrial preparation, via Friedel-Crafts acylation reaction in the presence of aluminium chloride as catalyst and acetyl chloride as acylating agent has been reported. It has been prepared by the acetylation reaction of thioanisole with acetic anhydride in the presence of solid acid catalyst.

Application

4′-(Methylthio)acetophenone may be used for the synthesis of Vioxx (Rofecoxib), an non-steroidal anti-inflammatory drug (NSAID). It may be used in the synthesis of (E)-1-[4-(methylsulfanyl)phenyl]-3-phenylprop-2-en-1-one.

Molecular Weight: 166.24. Empirical Formula: C9H10OS. linearFormula: CH3SC6H4COCH3. Quality Level: 100. Assay: 97%. mp: 80-82 . °C (lit.). SMILES string: CSc1ccc(cc1)C(C): O. InChI: 1S/C9H10OS/c1-7(10)8-3-5-9(11-2)6-4-8/h3-6H,1-2H3. InChI key: JECUZQLBQKNEMW-UHFFFAOYSA-N. Pictograms: GHS07. Signal Word: Warning. Hazard Statements: H315 - H319 - H335. Precautionary Statements: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338. Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3. Target Organs: Respiratory system. Storage Class Code: 11 - Combustible Solids. WGK: WGK 3. Flash Point(F): Not applicable. Flash Point(C): Not applicable. Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves.
UPC:
51111800
Condition:
New
HazmatClass:
No
MPN:
396583-1G
CAS:
1778-09-2

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