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CAS 75-03-6

1-Iodoethane

Codes: (VIII)819703-2-a, (II)638294-3-a, (VII)638294-14-a, (III)115092-6-a, (III)115092-8-a, Atosiban-054, Mosapride Citrate-002

Application context (from source-drug indications)

Gastrointestinal stromal tumourRipretinibSystolic heart failureFinerenoneDiastolic heart failureFinerenoneHeart failureFinerenoneChronic renal impairmentFinerenoneDiabetic nephropathyFinerenoneType 2 diabetesFinerenoneGlaucomaProxodolol hydrochloride/Pilocarpine Hydrochloride闭角型青光眼Pilocarpine HydrochlorideOcular hypertensionPilocarpine HydrochlorideOpen-angle glaucomaPilocarpine Hydrochloride瞳孔缩小Pilocarpine HydrochlorideSjögren's syndromePilocarpine Hydrochloride虹膜炎Pilocarpine Hydrochloride产科分娩(早产)Atosiban acetate早产(孕37周前)Atosiban acetateEndometriosisAtosiban acetateGastritisMosapride CitrateEnteral feeding intoleranceMosapride CitrateIrritable bowel syndromeMosapride CitrateDyspepsiaMosapride CitrateConstipationMosapride Citrate

Source drugs (routes using this intermediate)

DrugTierExpiry
RipretinibTier C — Watch / trade2032
FinerenoneTier C — Watch / trade2030
Proxodolol hydrochloride/Pilocarpine HydrochlorideTier C — Watch / trade-
Pilocarpine HydrochlorideTier C — Watch / trade-
Atosiban acetateTier C — Watch / trade-
Mosapride CitrateTier 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.

FinerenoneOptimised routesteps: 6total yield: /
4-Bromo-2-methoxybenzaldehyde→3-Oxobutanamide→(2Z)-2-[(4-Bromo-2-methoxyphenyl)methylidene]-3-oxobutanamide→4-Amino-5-methylpyridin-2(1H)-one→4-(4-Bromo-2-methoxyphenyl)-2,5-dihydroxy-2,8-dimethyl-1,2,3,4-tetrahydro-1,6-naphthyridine-3-carboxamide→4-(4-Bromo-2-methoxyphenyl)-5-hydroxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide→1-Iodoethane→4-(4-Bromo-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide→(4S)-4-(4-Bromo-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide
Proxodolol hydrochloride/Pilocarpine HydrochlorideOptimised routesteps: 7total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-2-Hydroxysuccinic acid dimethylester→1-Iodoethane→Diethyl (2S,3R)-2-methyl-3-hydroxysuccinate→Dimethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dimethyl (3R)-2-bromo-3-ethylbutanedioate→1-Methyl-1H-imidazole-5-carbaldehyde→Methyl (3S,4S)-4-ethyl-2-(1-methyl-1H-imidazol-5-yl)-5-oxooxolane-3-carboxylate→(2S,3R)-2-Ethyl-4-methoxy-3-[(1-methyl-1H-imidazol-5-yl)methyl]-4-oxobutanoic acid
Proxodolol hydrochloride/Pilocarpine HydrochlorideOptimised routesteps: 4total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-Diethyl malate→(R)-Diisopropyl 2-hydroxysuccinate→1-Iodoethane→Diethyl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Diethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Diethyl (3R)-2-bromo-3-ethylbutanedioate→Diisopropyl 2-bromo-3(R)-ethyl-butanedioate
Pilocarpine HydrochlorideOptimised routesteps: 7total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-2-Hydroxysuccinic acid dimethylester→1-Iodoethane→Diethyl (2S,3R)-2-methyl-3-hydroxysuccinate→Dimethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dimethyl (3R)-2-bromo-3-ethylbutanedioate→1-Methyl-1H-imidazole-5-carbaldehyde→Methyl (3S,4S)-4-ethyl-2-(1-methyl-1H-imidazol-5-yl)-5-oxooxolane-3-carboxylate→(2S,3R)-2-Ethyl-4-methoxy-3-[(1-methyl-1H-imidazol-5-yl)methyl]-4-oxobutanoic acid
Pilocarpine HydrochlorideOptimised routesteps: 4total yield: /
(2R)-2-Hydroxysuccinic acid→(R)-Diethyl malate→(R)-Diisopropyl 2-hydroxysuccinate→1-Iodoethane→Diethyl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-hydroxybutanedioate→Diethyl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Dipropan-2-yl (2S,3R)-2-ethyl-3-[(4-nitrobenzene-1-sulfonyl)oxy]butanedioate→Diethyl (3R)-2-bromo-3-ethylbutanedioate→Diisopropyl 2-bromo-3(R)-ethyl-butanedioate

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.

SupplierProductPrice bandMOQLead timeQualificationsAction
Unibest Nantong cGMP Site4-Bromo-2-methoxybenzaldehyde
Pharmaceutical Intermediates
On requestOn requestOn request
—
Unibest Taizhou GMP-like Site4-formyl-3-methoxybenzonitrile
Pharmaceutical Intermediates
On requestOn requestOn request
—
Qualified Partner — East China API Works4-AMino-5-Methylpyridin-2-ol
Pharmaceutical Intermediates
On requestOn requestOn request
—
Unibest Nantong cGMP Site2-chloro-5-methylpyridin-4-amine
Pharmaceutical Intermediates
On requestOn requestOn request
—
Unibest Taizhou GMP-like Site2-Cyanoethyl 3-oxobutanoate
Pharmaceutical Intermediates
On requestOn requestOn request
—
Qualified Partner — East China API Works2-cyanoethyl 4-(4-cyano-2-methoxyphenyl)-2,8-dimethyl-5-oxo-1,4,5,6-tetrahydro-1,6-naphthyridine-3-carboxylate
Pharmaceutical Intermediates
On requestOn requestOn 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.