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CAS 106-93-4
Ethylene dibromide1,2-dibromoethane
Codes: Oxymetazoline Hydrochloride-015, BAZE-024, SITAF-015, SILO-022, CHIG-004
Application context (from source-drug indications)
AnaesthesiaOxymetazoline Hydrochloride/Tetracaine HydrochloridePeriapical periodontitisOxymetazoline Hydrochloride/Tetracaine HydrochlorideDental cariesOxymetazoline Hydrochloride/Tetracaine HydrochlorideOestrogen deficiency syndromeConjugated Estrogens/Bazedoxifene AcetateOsteoporosisConjugated Estrogens/Bazedoxifene AcetateVasomotor symptomsConjugated Estrogens/Bazedoxifene AcetateNon-invasive ductal carcinomaConjugated Estrogens/Bazedoxifene AcetateAnxietyConjugated Estrogens/Bazedoxifene AcetateMenopausal symptomsConjugated Estrogens/Bazedoxifene AcetateCystitisSitafloxacin HydrateSinusitisSitafloxacin HydrateTonsillitisSitafloxacin HydratePneumoniaSitafloxacin HydrateCervicitisSitafloxacin HydratePericoronitisSitafloxacin HydrateBenign prostatic hyperplasiaSilodosinLower urinary tract symptomsSilodosinUrolithiasisSilodosinKidney stonesSilodosinContraceptive useSilodosinUrinary tract stonesSilodosinNasal congestionOxymetazoline HydrochlorideCongestionOxymetazoline HydrochloridePtosisOxymetazoline HydrochlorideFunctional faecal incontinenceOxymetazoline HydrochlorideRosaceaOxymetazoline HydrochlorideRashOxymetazoline HydrochloridePostmenopausal osteoporosisBazedoxifene AcetateBreast cancerBazedoxifene AcetateOsteoporosisBazedoxifene AcetateMenopausal symptomsBazedoxifene AcetateType 2 diabetesChiglitazar SodiumNon-alcoholic steatohepatitisChiglitazar SodiumInsulin resistanceChiglitazar SodiumHepatic function declineChiglitazar SodiumRenal impairmentChiglitazar SodiumDiabetesChiglitazar Sodium
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Oxymetazoline Hydrochloride/Tetracaine Hydrochloride | Tier C — Watch / trade | - |
| Conjugated Estrogens/Bazedoxifene Acetate | Tier C — Watch / trade | - |
| Sitafloxacin Hydrate | Tier C — Watch / trade | - |
| Silodosin | Tier C — Watch / trade | - |
| Oxymetazoline Hydrochloride | Tier C — Watch / trade | - |
| Bazedoxifene Acetate | Tier C — Watch / trade | - |
| Chiglitazar Sodium | 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.
Oxymetazoline Hydrochloride/Tetracaine HydrochlorideOptimised routesteps: 6total yield: 26g(Oxymetazoline hydrochloride (API))
(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetonitrile→Ethane-1,2-diamine→N-[2-(Acetamido)ethyl]acetamide→6-tert-Butyl-3-(4,5-dihydro-1H-imidazol-2-ylmethyl)-2,4-dimethylphenol→(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetyl chloride→(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetic acid→Ethane-1,2-diamine 4-methylbenzenesulfonate→2-(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetamide→2-Bromoethanamine hydrobromide→Ethylene dibromide→Ethyl 2-(4-tert-butyl-3-hydroxy-2,6-dimethylphenyl)ethanimidoate hydrochloride
1-(4-(benzyloxy)phenyl)-2-bromopropan-1-one→1-(4-(2-(azepan-1-yl)ethoxy)benzyl)-5-(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-methyl-1H-indole→4-hydroxybenzaldehyde→4-(2-(azepan-1-yl)ethoxy)benzaldehyde→azepane→1,2-dibromoethane→1-(2-bromoethyl)azepane→4-(benzyloxy)aniline→N-(4-(2-(azepan-1-yl)ethoxy)benzyl)-4-(benzyloxy)aniline
ethyl 3-(3-chloro-2,4,5-trifluorophenyl)-3-oxopropanoate→(Z)-ethyl 2-(3-chloro-2,4,5-trifluorobenzoyl)-3-ethoxyacrylate→tert-butyl ((1R,2S)-2-fluorocyclopropyl)carbamate→ethyl (Z)-2-(3-chloro-2,4,5-trifluorobenzoyl)-3-(((1R,2S)-2-fluorocyclopropyl)amino)acrylate→ethyl 8-chloro-6,7-difluoro-1-((1R,2S)-2-fluorocyclopropyl)-4-oxo-1,4-dihydroquinoline-3-carboxylate→8-chloro-6,7-difluoro-1-((1R,2S)-2-fluorocyclopropyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid→SITAF-007→7-((S)-7-((tert-butoxycarbonyl)amino)-5-azaspiro[2.4]heptan-5-yl)-8-chloro-6-fluoro-1-((1R,2S)-2-fluorocyclopropyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid→2-fluorocyclopropane-1-carboxylic acid→(R)-1-phenylethan-1-amine→2-fluoro-N-((R)-1-phenylethyl)cyclopropane-1-carboxamide→2-fluoro-N-((R)-1-phenylethyl)cyclopropane-1-carboxamide→(1S,2S)-2-fluoro-N-((R)-1-phenylethyl)cyclopropane-1-carboxamide→ethyl 3-oxobutanoate→1,2-dibromoethane→ethyl 1-acetylcyclopropane-1-carboxylate→ethyl 1-(2-bromoacetyl)cyclopropane-1-carboxylate→(R)-5-(1-phenylethyl)-5-azaspiro[2.4]heptane-4,7-dione→(R,Z)-7-(hydroxyimino)-5-(1-phenylethyl)-5-azaspiro[2.4]heptan-4-one→(S)-7-amino-5-((R)-1-phenylethyl)-5-azaspiro[2.4]heptan-4-one→(S)-5-((R)-1-phenylethyl)-5-azaspiro[2.4]heptan-7-amine→tert-butyl ((S)-5-((R)-1-phenylethyl)-5-azaspiro[2.4]heptan-7-yl)carbamate
SITAF-007→1,2-dibromoethane→benzylglycine→N-benzyl-N-(tert-butoxycarbonyl)glycine→potassium 3-ethoxy-3-oxopropanoate→ethyl 4-(benzyl(tert-butoxycarbonyl)amino)-3-oxobutanoate→ethyl 1-(N-benzyl-N-(tert-butoxycarbonyl)glycyl)cyclopropane-1-carboxylate→5-benzyl-5-azaspiro[2.4]heptane-4,7-dione→(S)-5-benzyl-7-hydroxy-5-azaspiro[2.4]heptan-4-one→(S)-5-benzyl-5-azaspiro[2.4]heptan-7-amine→tert-butyl (S)-(5-benzyl-5-azaspiro[2.4]heptan-7-yl)carbamate
1-(1-acetylindolin-5-yl)propan-1-one→1-(1-acetylindolin-5-yl)-2-bromopropan-1-one→1-(5-(2-bromopropyl)indolin-1-yl)ethan-1-one→1-(5-(2-bromopropyl)-7-nitroindolin-1-yl)ethan-1-one→1-(7-amino-5-(2-bromopropyl)indolin-1-yl)ethan-1-one→1-acetyl-5-(2-bromopropyl)indoline-7-carbonitrile→1-acetyl-5-(2-azidopropyl)indoline-7-carbonitrile→1-acetyl-5-(2-aminopropyl)indoline-7-carbonitrile→1-(2-bromoethoxy)-2-(2,2,2-trifluoroethoxy)benzene→1-acetyl-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carbonitrile→(R)-1-acetyl-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)indoline-7-carbonitrile→tert-butyl (R)-(1-(1-acetyl-7-cyanoindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate→tert-butyl (R)-(1-(7-cyanoindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate→tert-butyl (R)-(1-(7-carbamoylindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate→3-((tert-butyldimethylsilyl)oxy)propyl 4-nitrobenzenesulfonate→tert-butyl (R)-(1-(1-(3-((tert-butyldimethylsilyl)oxy)propyl)-7-carbamoylindolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate→tert-butyl (R)-(1-(7-carbamoyl-1-(3-hydroxypropyl)indolin-5-yl)propan-2-yl)(2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)carbamate→2-methoxyphenol→1,1,1-trifluoro-2-iodoethane→1-methoxy-2-(2,2,2-trifluoroethoxy)benzene→2-(2,2,2-trifluoroethoxy)phenol→1,2-dibromoethane
Oxymetazoline HydrochlorideOptimised routesteps: 6total yield: 26g(Oxymetazoline hydrochloride (API))
(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetonitrile→Ethane-1,2-diamine→N-[2-(Acetamido)ethyl]acetamide→6-tert-Butyl-3-(4,5-dihydro-1H-imidazol-2-ylmethyl)-2,4-dimethylphenol→(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetyl chloride→(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetic acid→Ethane-1,2-diamine 4-methylbenzenesulfonate→2-(4-tert-Butyl-3-hydroxy-2,6-dimethylphenyl)acetamide→2-Bromoethanamine hydrobromide→Ethylene dibromide→Ethyl 2-(4-tert-butyl-3-hydroxy-2,6-dimethylphenyl)ethanimidoate hydrochloride
1-(4-(benzyloxy)phenyl)-2-bromopropan-1-one→1-(4-(2-(azepan-1-yl)ethoxy)benzyl)-5-(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-methyl-1H-indole→4-hydroxybenzaldehyde→4-(2-(azepan-1-yl)ethoxy)benzaldehyde→azepane→1,2-dibromoethane→1-(2-bromoethyl)azepane→4-(benzyloxy)aniline→N-(4-(2-(azepan-1-yl)ethoxy)benzyl)-4-(benzyloxy)aniline
CHIG-001→(S)-methyl 2-amino-3-(4-hydroxyphenyl)propanoate→CHIG-003→1,2-dibromoethane→(S)-3-(4-(2-bromoethoxy)phenyl)-2-((2-(4-fluorobenzoyl)phenyl)amino)propanoic acid→9H-carbazole
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 | Carbamic acid, (7S)-5-azaspiro[2.4]hept-7-yl-, 1,1-dimethylethyl ester (9CI) 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.