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CAS 158401-00-4
2,2,2-Trifluoro-1-(3,4,5-trichlorophenyl)ethan-1-one
Codes: (VI)700647-1-a,(VI)700647-1-d, (I)700647-4-a
Application context (from source-drug indications)
蠕形螨性睑缘炎Lotilaner螨虫感染Lotilaner莱姆病LotilanerRosaceaLotilaner睑板腺功能障碍Lotilaner
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Lotilaner | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
4-Methylthiophene-2-carboxylic acid→N-Methoxy-N,4-dimethylthiophene-2-carboxamide→Bromo(methyl)magnesium→1-(4-Methylthiophen-2-yl)ethan-1-one→3-(5-Bromo-4-methylthiophen-2-yl)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazole→1-(5-Bromo-4-methylthiophen-2-yl)ethan-1-one→2,2,2-Trifluoro-1-(3,4,5-trichlorophenyl)ethan-1-one→1-(5-Bromo-4-methylthiophen-2-yl)-4,4,4-trifluoro-3-(3,4,5-trichlorophenyl)but-2-en-1-one→Amino alcohol hydrochloride→3-Methyl-5-[5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]thiophene-2-carboxylic acid→3-Methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]thiophene-2-carboxylic acid→2-Amino-N-(2,2,2-trifluoroethyl)acetamide hydrochloride→5-Bromo-1,2,3-trichlorobenzene→(3,4,5-Trichlorophenyl)magnesium bromide→2,2,2-Trifluoro-N,N-dimethylacetamide
1-(5-Bromo-4-methylthiophen-2-yl)ethan-1-one→2,2,2-Trifluoro-1-(3,4,5-trichlorophenyl)ethan-1-one→1-(5-Bromo-4-methylthiophen-2-yl)-4,4,4-trifluoro-3-(3,4,5-trichlorophenyl)but-2-en-1-one→Amino alcohol hydrochloride→3-Methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]thiophene-2-carboxylic acid→2-(5-Bromo-4-methylthiophen-2-yl)-2-methyl-1,3-dioxolane→3-Methyl-5-(2-methyl-1,3-dioxolan-2-yl)thiophene-2-carboxylic acid→Methyl 3-methyl-5-(2-methyl-1,3-dioxolan-2-yl)thiophene-2-carboxylate→Methyl 5-acetyl-3-methylthiophene-2-carboxylate→Methyl 3-methyl-5-[4,4,4-trifluoro-3-(3,4,5-trichlorophenyl)but-2-enoyl]thiophene-2-carboxylate→Amine N-oxide→Methyl 3-methyl-5-[(5S)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazol-3-yl]thiophene-2-carboxylate→(5S)-3-(5-Bromo-4-methylthiophen-2-yl)-5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydro-1,2-oxazole
2,2,2-Trifluoro-1-(3,4,5-trichlorophenyl)ethan-1-one→1-(5-Bromo-4-methylthiophen-2-yl)ethan-1-one→1-(5-Bromo-4-methylthiophen-2-yl)-4,4,4-trifluoro-3-(3,4,5-trichlorophenyl)but-2-en-1-one→3-Methyl-5-[4,4,4-trifluoro-3-(3,4,5-trichlorophenyl)but-2-enoyl]thiophene-2-carboxylic acid→2-Amino-N-(2,2,2-trifluoroethyl)acetamide hydrochloride→3-Methyl-N-[2-oxo-2-[(2,2,2-trifluoroethyl)amino]ethyl]-5-[4,4,4-trifluoro-3-(3,4,5-trichlorophenyl)but-2-enoyl]thiophene-2-carboxamide→Amine N-oxide
Intermediates available on this site
Side-by-side comparison of all listed offers on this CAS; price bands are list-price ranges, final price subject to RFQ confirmation.
| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Unibest Nantong cGMP Site | 2-bromo-3-methyl-5-acetylthiophene Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Taizhou GMP-like Site | methyl 5-acetyl-3-methylthiophene-2-carboxylate Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | 5-acetyl-3-methyl-2-Thiophenecarboxylic acid Pharmaceutical Intermediates | On request | On request | On request | — |
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.