Description

N-(4-Methoxyphenyl)Acetamide (CAS No. 51-66-1) is a high-purity organic compound with the molecular formula C₉H₁₁NO₂. Also known as 4′-Methoxyacetanilide or p-Acetanisidide, this white crystalline solid is widely used in pharmaceutical and chemical research. It serves as a key intermediate in organic synthesis, particularly in the production of analgesics and antipyretics. With a melting point of approximately 130-132°C, this compound exhibits excellent stability under standard laboratory conditions. Our product is rigorously tested for purity (≥98% by HPLC) and is supplied in sealed packaging to ensure long-term integrity. Ideal for researchers requiring a reliable building block for drug discovery and fine chemical synthesis.

Properties

• CAS Number: 51-66-1
• Complexity: 151
• IUPAC Name: N-(4-methoxyphenyl)acetamide
• InChI: InChI=1S/C9H11NO2/c1-7(11)10-8-3-5-9(12-2)6-4-8/h3-6H,1-2H3,(H,10,11)
• InChI Key: XVAIDCNLVLTVFM-UHFFFAOYSA-N
• Exact Mass: 165.078978594
• Molecular Formula: C9H11NO2
• Molecular Weight: 165.19
• SMILES: CC(=O)NC1=CC=C(C=C1)OC
• Topological: 38.3
• Monoisotopic Mass: 165.078978594
• Synonyms: N-(4-Methoxyphenyl)acetamide, 51-66-1, 4′-Methoxyacetanilide, p-Acetanisidide, p-Acetanisidine, Methacetin, 4-METHOXYACETANILIDE, Acetamide, N-(4-methoxyphenyl)-, Aceto-p-anisidine, EINECS 200-114-2, UNII-13E468TFHP, BRN 0387887, DTXSID6026325, N-(4-Methoxy-phenyl)-acetamide, AI3-00798, NSC-4687, ACETANISIDIDE, P-, N-(p-Methoxyphenyl)acetamide, P-ACETANISIDINE [MI], DTXCID806325, CHEBI:139354, 4-13-00-01092 (Beilstein Handbook Reference), N-(4-Methoxyphenyl)acetic acid amide, inchi=1/c9h11no2/c1-7(11)10-8-3-5-9(12-2)6-4-8/h3-6h,1-2h3,(h,10,11, xvaidcnlvltvfm-uhfffaoysa-n, p-Methoxyacetanilide, Aceto-p-anisidide, N-Acetyl-p-anisidine, Acetyl-p-anisidine, N-Acetyl-p-methoxyaniline, Acetanilide, 4′-methoxy-, 4-(Acetylamino)anisole, NSC 4687, 4-acetamidoanisole, MFCD00014963, 13E468TFHP, p-Acetaniside, p-acetamidoanisole, 4-acetaminoanisole, WLN: 1VMR DO1, SCHEMBL97146, N-(4-methoxyphenyl)ethanamide, SCHEMBL171415, N-(4-methoxyphenyl)-acetamide, SCHEMBL1403594, SCHEMBL3649880, SCHEMBL6089764, SCHEMBL7066590, CHEMBL3183230, SCHEMBL12015254, SCHEMBL17220427, NSC4687, HMS1783M19, Tox21_201131, SBB056791, STK045687, AKOS000121469, FM25132, CAS-51-66-1, NCGC00248932-01, NCGC00258683-01, DS-15877, ST040205, SY078829, A0019, A7614, CS-0072050, NS00002763, EN300-15545, A15080, AE-641/00642037, SR-01000395318, SR-01000395318-1, Q27251512, Z28138902, F1962-0209, Methacetin; N-(4-Methoxyphenyl)acetamide; p-Acetanisidine, N-(4-Methoxyphenyl)acetamide;p-Acetanisidine;p-Methoxyacetanilide

Application

N-(4-Methoxyphenyl)Acetamide is primarily used as an intermediate in pharmaceutical synthesis, particularly for developing analgesic compounds. Researchers utilize this chemical in studying metabolic pathways of acetanilide derivatives. It also serves as a precursor in the synthesis of dyes and other fine chemicals. The methoxy group enhances its reactivity in electrophilic aromatic substitution reactions.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

Precautionary Statements

• P264, P270, P301+P317, P330, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)

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