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CAS 403-43-0
4-fluorobenzoyl chloride4-Fluoranylbenzoyl chloride
Codes: FEZO-005, (II)1078735-1-a, (VI)1078735-2-a
Application context (from source-drug indications)
Vasomotor symptomsFezolinetantHot flushesFezolinetantMenopausal symptomsFezolinetantProstate cancerFezolinetantBreast cancerFezolinetantRenal impairmentFezolinetantBreast cancerImlunestrant TosylateMetastatic breast cancerImlunestrant TosylateMetastatic cancerImlunestrant TosylateOvarian cancerImlunestrant TosylateEndometrial cancerImlunestrant TosylateColorectal cancerImlunestrant Tosylate
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Fezolinetant | Tier C — Watch / trade | - |
| Imlunestrant Tosylate | 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-Bromo-3-chloro-7-methoxyquinoline→4-Fluoranylbenzoyl chloride→(3-Chloro-7-methoxyquinolin-4-yl)(4-fluorophenyl)methanone→(3-Chloro-7-hydroxyquinolin-4-yl)(4-fluorophenyl)methanone→2-[3-(Fluoromethyl)azetidin-1-yl]ethan-1-ol hydrogen chloride→(3-Chloro-7-hydroxyquinolin-4-yl)(4-[2-[3-(fluoromethyl)azetidin-1-yl]ethoxy]phenyl)methanone→[2-Fluoro-4-(trifluoromethyl)phenyl]boronic acid→(4-[2-[3-(Fluoromethyl)azetidin-1-yl]ethoxy]phenyl)[3-[2-fluoro-4-(trifluoromethyl)phenyl]-7-hydroxyquinolin-4-yl]methanone→4-[(4-[2-[3-(Fluoromethyl)azetidin-1-yl]ethoxy]phenyl)(hydroxy)methyl]-3-[2-fluoro-4-(trifluoromethyl)phenyl]quinolin-7-ol→5-(4-[2-[3-(Fluoromethyl)azetidin-1-yl]ethoxy]phenyl)-8-(trifluoromethyl)-5H-[1]benzopyrano[4,3-c]quinolin-2-ol→3-(Fluoromethyl)azetidine hydrogen chloride→1,4-Dioxane-2,5-diol→2-[3-(Fluoromethyl)azetidin-1-yl]ethan-1-ol
4-Hydroxy-7-methoxyquinoline→3-Chloro-4-hydroxy-7-methoxyquinoline→4-Bromo-3-chloro-7-methoxyquinoline→(4-Fluorophenyl)methanone→(3-Chloro-7-methoxyquinolin-4-yl)(4-fluorophenyl)methanone→4-Fluoranylbenzoyl chloride→(3-Chloro-7-hydroxyquinolin-4-yl)(4-fluorophenyl)methanone→1,1-Diethoxy-2-hydroxyethane→(3-Chloro-7-hydroxyquinolin-4-yl)[4-(2,2-diethoxyethoxy)phenyl]methanone→[2-Fluoro-4-(trifluoromethyl)phenyl]boronic acid→[4-(2,2-Diethoxyethoxy)phenyl][3-[2-fluoro-4-(trifluoromethyl)phenyl]-7-hydroxyquinolin-4-yl]methanone→(4-Fluorophenyl)[3-[2-fluoro-4-(trifluoromethyl)phenyl]-7-hydroxyquinolin-4-yl]methanone→4-[(R)-[4-(2,2-Diethoxyethoxy)phenyl](hydroxy)methyl]-3-[2-fluoro-4-(trifluoromethyl)phenyl]quinolin-7-ol→(5R)-5-[4-(2,2-Diethoxyethoxy)phenyl]-8-(trifluoromethyl)-5H-[1]benzopyrano[4,3-c]quinolin-2-ol
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 | 3-Methyl-1,2,4-thiadiazole-5-carbohydrazide Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Taizhou GMP-like Site | (R)-3-Methylpiperazin-2-one Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | (R)-4-(2,4-diMethoxybenzyl)-3-Methylpiperazin-2-one Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Nantong cGMP Site | 3-Methyl-piperazin-2-one Pharmaceutical Intermediates | On request | On request | On request | — | |
| Unibest Taizhou GMP-like Site | 5-bromo-3-methyl-1,2,4-thiadiazole Pharmaceutical Intermediates | On request | On request | On request | — | |
| Qualified Partner — East China API Works | 3-Methyl-[1,2,4]thiadiazole-5-carboxylic acid ethyl ester 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.