Pharmaceutical Intermediates

Pharmaceutical intermediates are a range of chemical compounds used as building blocks in the production of active pharmaceutical ingredients (APIs). These compounds undergo various chemical reactions to form the final API, which is then used to produce drugs for various medical conditions. Pharmaceutical intermediates are critical components in the pharmaceutical industry, with their quality and purity being essential for ensuring the safety and efficacy of the final drug product.

 

Abacavir

(+/-)-2-Azabicyclo[2.2.1]hept-5-en-3-one; Vince lactam CAS NO.49805-30-3
N-(2-Amino-4,6-dichloro-5-Pyrimidinyl)formamide CAS NO. 171887-03-9

Acebutolol

ACE-3: 2-acetyl-4-butyramidophenol
ACE-4:2-epoxymethoxy-5-butyramido acetophenone

Adefovir Dipivoxil

Hydroxymethyl phosphonic acid diethyl ester
Diethyl p-toluenesulfonyloxymethyl phosphonate

Aliskiren

4-[(2R)-2-(chloromethyl)-3-methylbutyl]-1-methoxy-2-(3-methoxypropoxy)-benzene CAS NO. 324763-39-5
4-[(2R)-2-(bromomethyl)-3-methylbutyl]-1-methoxy-2-(3-methoxypropoxy)-benzene CAS NO.172900-69-5
(2S,4E)-5-chloro-2-(1-methylethyl)-4-Pentenoic acid CAS NO.324519-66-6
(2S,4E)-5-chloro-N,N-dimethyl-2-(1-methylethyl)-4-Pentenamide CAS NO. 324519-68-8
2-(aminomethyl)-2-methylpropanamide CAS NO. 324763-51-1
[(1S,3S)-3-[[4-Methoxy-3-(3-methoxypropoxy)phenyl]methyl]-1-[(methoxymethylamino) carbonyl]-4-methylpentyl]carbamic acid 1,1-dimethylethyl ester CAS NO. 866030-36-6
(2S,4E,7R)-7-[[4-Methoxy-3-(3-methoxypropoxy)phenyl]methyl]-8-methyl-2-(1methylethyl)-4-nonenoic acid methyl ester CAS NO. 387353-71-1
tert-Butyl [(1S,3S)-3-[3-(3-methoxypropoxy)-4-methoxybenzyl]-1-formyl-4methylpentyl]carbamate CAS NO. 172900-83-3
(2S,5R)-3,6-Diethoxy-2,5-dihydro-2-[(2S)-2-[[4-methoxy-3-(3-methoxypropoxy) phenyl]methyl]-3-methylbutyl]-5-(1-methylethyl)pyrazine CAS NO. 866030-33-3
(4R)-3-[(2S)-3-Methyl-1-oxo-2-[(phenylmethoxy)methyl]butyl]-4-(phenylmethyl)-2oxazolidinone CAS NO.172900-83-3
Methyl (2S,4E)-5-chloro-2-isopropylpent-4-enoate CAS NO. 387353-77-7
1-(((S)-2-(Bromomethyl)-3-methylbutoxy)methyl)benzene CAS NO. 172901-00-7
Anastrozol 2,2’-(5-Methyl-1,3-phenylene)-di-(2-methylpronitrile) CAS :120511-72-0
2,2’-(5-Bromomethyl -1,3-phenylene)-di-(2-methylpropionitrile) CAS: 120511-84-4

Atovastatin

ATS-4 CAS NO.86728-85-0 ATS-5 CAS NO.141942-85-0
ATS-8 CAS NO.12571-94-0 ATS-9 CAS NO.125995-13-3
MDEB CAS NO.7397-46-8 M4 CAS NO. 125971-96-2 L-1 CAS NO. 125971-95-1

Bicalutamide

4-Cyano-3-trifluoromethyl aniline CAS: 654-70-6
N-[4-Cyano-3-trifluoromethy phenyl]-2-oxirane carboxamide CAS: 90357-51-0
N-[4-Cyano-3-trifluoromethy phenyl]-S-(4-fluorophenylthio)-2-hydrdoxy-2-methylpropionamide CAS: 90356-78-8

Capecitabine

1,2,3-triacetoxy-5-deoxy-D-ribose CAS No: 62211-93-2
2′,3′-di-O-acetyl-5′-deoxy-5-fluorocytidine CAS No. 161599-46-8
5′-deoxy-5-fluoro-N-[(pentyloxy)carbonyl]cytidine 2′,3′-diacetate CAS No. 162204-20-8

Dapoxetine

(S)-3-amino-3-phenylpropionic acid CAS no.83649-47-2
(S)-3-amino-3-phenylpropan-1-ol CAS no.82769-76-4
(S)-n,n-dimethyl-3-(naphthalene-1-yloxy)-1-phenylpropan-1-amine hydrochloride CAS no.129938-20-1

Dichlofenac sodium

1-(2,6-Dichlorophenyl)indolinone-2-one

Doxepin

11-dihydrodibenz[b,c]oxcpin-11-one
11-(3-dimethylaminopropyl-6,11-dihydrodibenz[b,c]oxcpin-11-ol

Efavirenz

Lithium metal CAS NO.7439-93-2
Cyclopropyl acetylene CAS no.6746-94-7
Cyclopropylethanone CAS no.765-43-5
E1: N-[2,2-dimethyl propanoyl]para chloro aniline CAS no.65854-91-3
E2: 4-Chloro-2-trifluoro acetyl aniline HCL CAS NO. 173676-59-0
E3: N-[(4’-methoxy) benzyl]-4-chloro-2-trifluoroacetyl aniline CAS no.173676-54-5
E4: (R)-2-(2-(4-methoxybenzylamino)-5-chlorophenyl)-4-cyclopropyl-1,1,1trifluorobut-3-yn-2-ol

Epinastine

6-aminoethy1-6,11-dihgdro-5H-dibenz[b,e]azepine salt
6-cyano-11H-dibenz[b,e]azepine

Erlotinib hydrochloride

6,7-bis-(2-Methoxyethoxy)-quinazolin-4(3h)-one CAS: 179688-29-0
4-Chloro-6,7-(2-methoxyethoxy)-quinazoline CAS: 183322-18-1

Etodolac

7-Ethyl Tryptophol
Etodolac Methyl Ester

Fexofenadine

alpha,alpha-Diphenyl-4-piperidinomethanol CAS NO.115-46-8
2-[4-[4-[4-(Hydroxy diphenylmethyl)-1-piperidinyl]-1-oxobutyl]phenyl]-2,2dimethylacetic acid methyl ester CAS NO. 154477-55-1
2-[4-(4-Chlorobutyryl)phenyl]-2-methylpropionic acid methyl ester CAS NO. 154477-54-0
4-((4-(4-Hydroxydiphenylmethyl)-1-piperidinyl)-1-oxobutyl)-a,a-dimethyl-phenylacetic acid CAS NO.76811-98-8

FinaIOR[DFLQ

2,4-dichloro-3-cyano-5-fluorobenzoic acid CAS NO.117528-58-2
Ethyl 7-chloro-8-cyano-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate CAS NO.117528-64-0

Fluvoxamine

1-chloro-4-methoxy butane
5-methoxy-1-(4-thifluoromethylphenyl) Pentanone

Folic Acid

2,4,5-Triamino-6-hydroxy pyrimidine,sulfate 1603-02-7


Gabapentine

1,1-Cyclohexane Diacetic Acid (CDA)
1,1-Cyclohexane Diacetic Acid Monoamide (CAM)
Gemcitabine Hydrochloride
2-Deoxy-2,2-difluoropentofuranos-1-ulose-3,5-dibenzoate CAS:122111-01-7

2-Deoxy-2,2-difluoro-D-erythro-pentofuranose-3,5-dibenzoate-1-methanesulfonate CAS:122111-11-9

Gemfibrozil
2,5-xylenol CAS NO.95-87-4
Isobutyl 5-chloro-2,2’-dimethyl valerate CAS NO.109232-37-3
2,2-Dimethyl-5-(2,5xylyloxy) valeric isobutyl ester CAS NO.149105-26-0

Glimepiride

N-(4-Aminosulfonyl phenyl) ethyl aminomethyl-3-Ethyl-4-Methyl-2-Pyrollidone
Trans-4-Methyl Cyclohexylamine
Trans-Isocyanate-4-Methyl Cyclohexane

Gliclazide

N-Amino-Aza-3-Bicyclo[3,3,0]Octane Hydrochloride

Granisetron HCL

Endo-9-methyl-9-azabicyclo[3,3,1]nonan-3-amine
Endo-3-amine-9-methyl-9-azabicyclo[3,3,1]nonane hydrochloride
1H -Indazole-3-carboxylic acid
1H -Methylindazole-3-carboxylic acid

Imatinib mesylate

4-[(4-Methyl-1-piperazinyl)methyl]benzoic acid dihydrochloride hemihydrate CAS :106261-49-8
N-(5-Amino-2-methylphenyl)-4-(3-pyridyl)-2-pyrimidineamine CAS : 152460-10-1 Irinotecan
7-ethyl-10-(chlorocarbonyloxy) camptothecin
10-hydroxy Camptothecin
Camptothecin

Lamotrigine

(2,3-Dichlorophenyl)-Guanidinylimino Acetonitrile

Levocetirizine

(-)1-[1-(4-chlorophenyl) phenylmethyl]piperazine CAS NO:130018-88-1

Levetiracetam

Ethyl-2-bromo butyrate
Methyl-2-bromo butyrate
(s)-2-amino butyramide
(R)-alpha methyl benzylamine salt
(2S)-2-(2-Oxopyrrolidin-1-yl)butanoic acid CAS NO.102849-49-0
(S)-alpha ethyl-2-oxo-1-pyrrolidine acetic acid CAS NO.102916-46-1

Loxoprofen sodium

2-(4-bromomethyl)phenyl propionic acid CAS NO.11128-12-2
2-[4-(2-oxocyclopentylmethyl)phenyl]propionic acid CAS NO.68767-64-6

Loratidine

N-methyl-4-chloro piperdine HCL
2-cyano-3-methyl pyridine
2-Cyano,3[2(3,Chlorophenyl)] Ethyl Pyridine
4-(3-ethyl[b-Chlorophenyl-pyridine-2-Carboxy]-1-methyl Piperdine

Meloxicam

2-Amino-5-methylthiazole CAS NO.7305-71-7
2-Methyl-4-Hydroxy-2H-1,2-Benzothiazine-3-Carboxylic Acid Ethyl ester -1,1-Dioxide CAS NO.113913-36-3

Meprobamate

2-Methyl-2-Propyl-1,3-Propane Diol

Meropenem/Imipenem/Faropenem

Acetoxyazetidinone CAS no.76855-69-1
(3S,4S)-4-[(R)-1-carboxy-ethyl]-3-[(R)-1-(t-butyldimethylsilyloxy)ethyl]-2-azetidinone CAS no.90776-58-2
(4R,5S,6S)-3-(diphenyl- oxy)phosphoryloxy-6-[(1R)-1-hydroxyethyl]- 4-methyl-7oxo-1-azabicyclo[3,2,0]hept-2-
ene-2-carboxylate CAS no.90776-59-3
(2S,4S)-2-( dimethylamino- carbonyl)-4-mercapto-1-(p-nitrobenzyloxycarbonyl)-1pyrrolidine -1-(p-nitrobenzyloxycarbonyl)-1-pyrrolidine CAS no.96034-64-9
[5R-(5α,6α(R*))]-6-(1-hydroxyethyl)-3,7-dioxo-1-azabicyclo[3.2.0]he-ptane-2carboxylic acid (4-nitrophenyl)methyl ester CAS no.74288-40-7

Methyl Dopa

Veratraldehyde L-Amino Nitrile

Mirtazapine

1-(3-Carboxypyridin-2-yl)-2-Phenyl-4-Methyl Piperazine
1-(3-Hydroxymethylpyridin-2-yl)-2-Phenyl-4-Methyl Piperazine

Montelukast

1,1-Cyclopropane Dimethanol
Methyl-2-Iodo Benzoate
1-(Mercaptomethyl)-Cyclopropane Acetic Acid
Methyl-(2-Bromo Methyl) Benzoate
[(S)-(E)]-2-[3-[3-[2-(7-Chloro-2-Quinolinyl)Ethenyl]Phenyl]-3-HydroxyPropyl]Phenyl]-2-Propanol

Montelukast ( Chinese patent route)

1-(3-(2-(7-chloro-2-quinolinyl) ethenyl)ethenyl) vinyl alcohol
Benzoic acid 2-(3-(3-(2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-(3-carbonyl) propyl) – methyl ester, CAS 133791-17-0
Benzoic acid 2-(3-(R)-(3-(2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-3-hydroxy propyl) – methyl ester, CAS 142569-69-6
Benzoic acid 2-(3-(R)-(3-(2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-3-(acetyl mercapto)propyl) –methyl ester

Moxifloxacin

Pyridine 2,3-dicarboxylic acid
2,3-Pyridine dicarboxylic anhydride
(s,s)-2,8-diazabicyclo(4,3,0)nonane, 7-Chloro-6-fluoro-1-cyclopropyl-1,4-dihydrogen-4-oxo-3-quinoline carboxylic acid

Olanzapine

4-Amino-2-Methyl-10H-Thieno-[2,3-b][1,5] Benzodiazepine HCl (CAS 138564-60-0)

Oxymetazoline

6-Tert. Butyl-2,4-Xylenol

Pantoprazole

2-Chloromethyl-3,4-Dimethoxy Pyridine HCl
5-Difluoromethoxy-2-Mercapto-1H-Benzimidazole
4-chloro-3-methyxo-2-methyl pyridine N-Oxide
5-Difluoromethoxy-2-[[(3,4-dimethoxy-2-pyridnyl)methyl]thio]-1-H-benzimidazole 5-difuloromethoxy-2-[[(4-chloro-3-methoxy-2-pyridinyl)methyl]thio]-1-Hbenzimidazole

Paroxetine HCl

3,4-(Methylenedioxy) phenol / sesamol cas no. 533-31-3
(3S,4R)-1-Methyl–3-[(3,4-(methylene-dioxy)phenoxy)METHYL]-4-(4-fluorophenyl) piperidine CAS : 61869-08-7
(-)-Trans-1- Methyl-3-Hydroxymethyl-4- (4-fluorophenyl) piperidine CAS : 109887-53-8

Perindopril

L-Norvaline ( cas no.6600-40-4)
(s)-(-)indoline-2-carboxylic acid
N-((S)-Ethoxycarbonyl-1-butyl)-(S)-alanine / N-((S)-1-carbethoxybuty l)-(S)- alanine (2s,3as,7as)-2-carboxy octahydro indole/ (2S,3aS,7aS)octahydro- 1H- indole- 2- carboxylic acid

Quetiapine Fumarate

10,11-Dihydro-11-oxodibenzo[b,f][1,4]thiazepine CAS NO.3159-07-7
11-Piperazinodibenzo[b,f][1,4]thiazepine dihydrochloride CAS NO.111974-74-4
2-[2-(1-Piperazinyl)ethoxy]ethanol CAS NO. 13349-82-1
1-[2(2-Hydroxyethoxy)ethyl]piperazine dihydrochloride CAS NO.85293-16-9
2-(2-Chloroethoxy)ethanolCAS NO.628-89-7
alpha-Phenylpiperidine-2-acetamide CAS NO.19395-39-2
alpha-Phenylpiperidine-2-acetic acid CAS NO.19395-41-6

Rebamipide

4-Bromomethyl-1,2-dihydroquinoline-2-one CAS NO. 4876-10-2
Diethyl acetamidomalonate CAS NO 1068-90-2
2-Amino-3-(1,2-dihydro-2-oxoquinoline-4-yl)propanoic acid CAS NO.5162-90-3
ethyl- 2-acetoamide-2-carboethoxy-3-(2-quinoron-4-4yl) propionate

Raloxifene

3-Methoxy thiophenol CAS NO.15770-12-4
4-(2-piperidinoethoxy)benzoic acid HCl CAS 84449-80-9
6-Methoxy-2-(4-methoxyphenyl)benzo [B]thiophen CAS 63675-74-1

Ramipril

L-Serine Methyl Ester Hcl
(S,S)-2-Azabicyclo[3,3,0]-octane-3-carboxylic acid Benzylester Hydrochloride (CAS NO.93779-29-4)
(S,S,S)-2-Azabicyclo[3,3,0]-octane-3-carboxylic acid Benzylester Hydrochloride

6LWDIOR[DFLQ

3-chloro-2,4,5-trifluorobenzoic acid CAS NO.101513-77-3
Ethyl 8-chloro-6,7-difluoro-1-[(1R,2S)-2-fluoro-cyclopropyl]-4-oxo-1,4-dihydroquinoline-3-carboxylate
CAS NO.127199-25-1

Sildenafil

N-methyl Piperazine
Sodium Methoxide powder
2-Pentanone (Methyl propyl Ketone)

Sofosbuvir

Pentafluoro phenol
2’-deoxy-2’-fluoro-2’-c-methyl uridine

Sumatriptan / Zolmtripan / Rizatriptan

1) 4-chlorobutyraldehyde diethyl acetal / cas no. 6139-83-9
2) 4-chlorobutyraldehyde dimethyl acetal / cas no. 29882-07-3
3) 4-dimethylamino butyaldehyde diethyl acetal / cas no. 3616-56-6
4) 4-dimethylamino butyaldehyde dimethyl acetal / cas no. 1116-77-4 u
5) 4-amino butyraldehyde diethyl acetal / cas no. 6346-09-4
6) 4-chloro-1-hydroxy-1-butane sulfonate sodium / cas no. 54322-20-2
7) 4-aminophenyl-n-methylbenzene mathane sulfonamide / cas no. 109903-35-7
8) 4-hydrazinophenyl-n-methyl methane sulfonamide Hcl / cas no. 88933-16-8
9) (s)-4-(4-aminobenzyl)-1,3-oxazolidin-2-one / cas no. 152305-23-2
10) 4-(1H-1,2,4-triazol-1-yl-methyl) benzeneamine / cas no. 119192-10-8

elmisartan

2-N-propyl-4-Methyl-6-(1-methyl benzimidazole-2-yl) benzimidazole
Tenatoprazole
2,3-dimaino-6-methoxy pyridine
2-mercapto-5-methoxy imidazole[4,5-b] pyridine

Tinoxicam

Methyl-3-Sulfonyl amino methyl acetate-2-Thiophene Carboxylate (TCMC)

Trandolapril

(2S,3aR,7aS)-1H-octahydroindole-2-carboxylic acid Hydrochloride 144540-75-0

Zonisamide

1,2-benzisoxazole-3-acetic acid / cas no. 4865-84-3
1,2-benzisoxazole-3-methane sulfonate sodium

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