Intermediates & Side Chains
Sr. no.
Intermediate
CAS No.
Structure
End use
Pharma Intermediates
1
CMIC Chloride
3-(2-Chlorophenyl)-5-methyl isoxazole-4-carbonyl chloride
25629-50-9

MF:C11H7Cl2NO2
MW: 256.08
Cloxacillin
2
DCIMC Chloride
3-(2,6 Dichlorophenyl)-5-methyl isoxazole-4-carbonyl chloride
4462-55-9

MF:C11H6Cl3NO2
MW: 290.53
Dicloxacillin
3
FCIMC Chloride
3-(2-Chloro-6-fluorophenyl)-5-methyl isoxazole-4-carbonyl chloride
69399-79-7

MF:C11H6Cl2FNO2
MW: 274.07
Flucloxacillin
4
PMIC Chloride
3-Phenyl-5-methyl isoxazole-4-carbonyl chloride
16883-16-2

MF:C11H8ClNO2
MW: 221.64
Oxacillin
5
EDPCC
4-Ethyl-2,3-dioxo-piperazine carbonyl chloride
59703-00-3

MF: C7H9ClN2O3
MW: 204.61
Piperacillin
6
EPCP
(R)-[[(4-Ethyl-2,3-dioxopiperazin-1 -yl) carbonyl]amino]phenylacetic acid
63422-71-9

MF:C15H17N3O5
MW: 319.31
Piperacillin
7
(3R,4R)-4-Acetoxy-3-[(R)-1-(tert-butyldimethylsilyloxy) ethyl]azetidin-2-one
76855-69-1

MF: C13H25NO4Si
MW: 287.43
Carbapenem
8
Azacyclonol base
alpha,alpha-Diphenyl-4- piperidinomethanol hydrochloride
115-46-8

MF: C18H21NO
MW: 267.37084
Fexofenadine
9
Isonipecotic acid
4-Piperidinecarboxylic acid
498-94-2

MF: C6H11NO2
MW: 129.16
Fexofenadine, Risperidone
10
GMC - X12 2-Deoxy-2,2-diflouro-D-erythro-pentafuranose-1-ulose-3,5-dibenzoate
122111-01-7

MF: C19H14F2O6
MW: 376.313366
Gemcitabine HCl
11
Lm3 [1R-[1-a(2S*,5R*),2B,5B]]-5- (4-Amino-2-oxo-1(2H)- pyrimidinyl)-1,3-oxathiolane-2- carboxylic acid- 5-methyl-2- (1-methylethyl)cyclohexyl ester
147126-73-6

MF: C18H27N3O4S
MW: 381.49
Lamivudine
12
1-(4-Azido-5-trityloximethyl- tetrahydrofuran-2-yl)-5-methyl- 1H-pyrimidine-2,4-dione
29706-84-1

MF: C29H27N5O4
MW: 509.57
Zidovudine
13
4-Methyl-10-trityloxymethyl-8, 11-dioxa-2,6-diaza-tricyclo [7.2.1.0*2,7*] dodec-6-en-5-one OR 3-Azido-3-Deoxy-5-O- Triphenylmethylthymidine
25442-42-6

MF: C29H28N2O4
MW: 466.52
Zidovudine
14
DKT3 4-Fluoro-A-(2-methyl-1- oxopropyl)- r-oxo-N,B-diphenyl benzene butanamide
125971-96-2

MF: C26H24FNO3
MW: 417.47
Atorvastatin Calcium
15
ATS-5 (R)-4-Cyano-3- hydroxybutyric acid ethyl ester (R)-4-Cyano-3- hydroxybutyric acid ethyl ester
141942-85-0

MF: C7H11NO3
MW: 157.17
Atorvastatin Calcium
16
ATS-8 (4R,cis)-1,1-Dimethylethyl-6- cyanomethyl-2,2-dimethyl-1, 3-dioxane-4-acetate
125971-94-0

MF: C14H23NO4
MW: 269.34
Atorvastatin Calcium
17
ATS-9 (4R,cis)-1,1-Dimethylethyl-6- aminoethyl-2,2-dimethyl-1, 3-dioxane-4-acetate
125995-13-3

MF: C14H27NO4
MW: 273.37
Atorvastatin Calcium
18
ATV-1 tert-Butyl (4R,6R)-2-[[[6- (2-4-fluorophenyl)-5-isopropyl- 3-phenyl-4-(phenylcarbamoyl)- pyrrol-1-yl]ethyl]-2,2-dlmethyl-1, 3-dioxan-4-yl]acetate
125971-95-1

MF: C40H47FN2O5
MW: 654.81
Atorvastatin Calcium
19
(S)-2-(2-Amino-5-chlorophenyl)- 4-cyclopropyl-1,1,1-trifluoro-3-butyn-2-ol
209414-27-7

MF: C13H14ClNO
MW: 235.72
Efavirenz
20
Ethyl 4-chloro acetoacetate
638-07-3

MF:C6H9ClO3
MW: 164.59
Amlodipine
21
Ethyl 4-(2-(1,3-dioxoisoindolin- 2-yl)ethoxy)-3-oxobutanoate
88150-75-8

MF: C16H17NO6
MW: 319.32
Amlodipine
22
Phthaloyl amlodipine
3-Ethyl-5-methyl-4-(2-chlorophenyl)-2- (2-phthalimidoethoxy)-methyl-6- methyl-1,4-dihydropyridine-3,5- dicarboxylate
88150-62-3

MF: C28H27ClN2O7
MW: 538.98
Amlodipine
23
4,5,6,7-Tetrahydrothieno[3,2-c] pyridine hydrochloride
28783-41-7

MF: C7H9NS.HCl
MW: 175.72
Clopidogrel, Ticlopidine
24
Coupled amine Hcl S-(+)-Methyl-2 (2-thienylethylamino)-2- (2-chlorophenyl) acetate HCl / D-(+)-Methyl-alpha- (2-thienylethamino) (2-Chlorophenyl) acetate hydrochloride.
141109-19-5

MF: C15H16ClNO2S.HCl
MW: 346.27
Clopidogrel
25
Clopidogrel base S-(2-Chloro-phenyl)- (6,7-dihydro-4H-thieno [3,2-c]pyridin-5-yl)-acetic acid methyl ester
113665-84-2

MF: C16H16ClNO2S
MW: 321.82
Clopidogrel
26
S (-)-3-(Dimethylamino)-1- (thiophen-2-yl)propane-1-ol
132335-44-5

MF: C9H15NOS
MW: 185.29
Duloxetine
27
S(-)-3-(Methylamino)-1- (thiophen-2-yl)propane-1-ol
116539-55-0
116539-56-1

MF: C8H13NOS
MW: 171.29
Duloxetine
28
S (+) - N,N-Dimethyl-3- (naphthalen-l-yloxy)-3- (thiophen-2-yl) propan-1-amine base and oxalate
132335-47-8
(Oxalate)
132335-46-7
(Base)

MF: C19H21NOS.C2H2O4
MW: 401.48
Duloxetine
29
DIOL (S)-1-[[[1-[3-[2-(7-Chloro-2-quinolinyl) ethenyl] phenyl]]-3-[2-( 1 -hydroxy-1 -methylethyl) phenyl]propyl-1 -ol]]
142569-70-8

MF: C29H28ClNO2
MW: 457.99
Montelukast
30
AST (S)-2-{3-[3-[2-(7-Chloro-2- quinolinyl) ethenyl]-phenyl]-3- hydroxypropyl} benzoic acid methyl ester monohydrate
287930-78-3

MF: C28H24NO3Cl
MW: 457.96
Montelukast
31
Montelukast DCHA salt Cyclopropaneacetic acid, 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro- 2-quinolinyl)ethenyl]phenyl]-3- [2-( 1 -hydroxy-1 -methylethyl) phenyl]propyl]thio]methyl]-,compd. with N-cyclohexylcyclohexanamlne (1:1))
577953-88-9

MF: C35H36ClNO3S.C12H23N
MW: 767.6
Montelukast
32
Octahydroindol-2-carboxylic acid (rac. 7aR/3aS/2R, 7aS/3aR/2S)
145438-94-4

MF: C9H15NO2
MW: 169.2236
Trandolapril
33
Benzyl (2S,3aR,7aS)- octahydroindole-2-carboxylate hydrochloride
87679-38-7

MF: C16H21NO2.HCl
MW: 295.80
Trandolapril
34
2-Chloromethyl-3,4- dimethoxypyridine hydrochloride
72830-09-2

MF:C8H11Cl2NO2
MW: 224.08
Pantoprazole
35
5-(Difluromethoxy)-2- [(3-methoxy-4-chloro-2- pyridinyl)methylmercapto]- 1H-benzimidazole
368890-20-4

MF: C15H12ClF2N3O2S
MW: 371.80
Pantoprazole
36
5-(Difluromethoxy)-2- [(3,4-dimethoxy-2- pyridinyl) methylmercapto]-1H-benzimidazole
102625-64-9

MF:C16H15F2N3O3S
MW: 367.37
Pantoprazole
37
2-[[4-(3-Methoxypropoxy)- 3-methylpyridine-2-yl]methylthio]- 1H-benzimidazole
117977-21-6

MF: C18H21N3O2S
MW: 343.44
Rabeprazole
38
6-Chloro-5-(2-chloroethyl) -2-oxyindole
118289-55-7

MF: C10H9Cl2NO
MW: 230.09356
Ziprasidone
39
6-Chloro-5-(2-chloroacetyl)- 2-oxyindole
118307-04-3

MF:C10H7Cl2NO2
MW: 244.07708
Ziprasidone
40
3-Chloro-1,2-benzisothiazole
7716-66-7

MF: C7H4ClNS
MW: 169.63
Ziprasidone
41
3-Piperazinyl-1,2-benzisothiazole hydrochloride
87691-88-1
144010-02-6

MF:C11H14N3ClS
MW: 255.76
Ziprasidone
42
4-[4-(Dimethylamino-1- {4'-fluoro-phenyl) 1 -hydroxybutyl] -3-(hydroxy-methyl benzonitrile (Diol Base)
103146-25-4

MF: C20H23FN2O2
MW: 342.40
Citalopram
43
1-(4-Chlorobenzhydryl)piperazine
303-26-4

MF:C17H19ClN2
MW: 286.80
Cetirizine
44
2-Thiopheneacetyl chloride; 2-(2-Thienyl)acetylchloride
39098-97-0

MF: C6H5ClOS
MW: 160.62
Cephalothine
45
2-Ethoxynaphthalene-1-carbonyl chloride
55150-29-3

MF:C13H11ClO2
MW: 234.68
Nafcillin
46
N-Formyl hexamethylenimine dimethyl acetal
32895-16-2

MF: C9H19NO2
MW: 173.25
Mecillinam Pivmecillinam
47
3,4-Dichloro-alpha methoxy phenyl acetic acid chloride
83833-34-5

MF: C9H7Cl3O2
MW: 253.5
Clometocillin
48
1,1-Cyclohexanediacetic acid mono methylester
60142-94-1

MF:C11H18O4
MW: 214.26
Gabapentin
49
S(+)-2-Aminobutyramide hydrochloride
7682-20-4

MF: C4H10N2O.HCl
MW: 138.60
Levetiracetam
50
Theobromine
83-67-0

MF: C7H8N4O2
MW: 180.16
Pentoxifylline
51
Cyanoacetic acid
372-09-8

MF: C3H3NO2
MW: 85.06
Dextro- methorphan HBr
52
4-(2-Methoxyethyl) phenol
56718-71-9

MF: C9H12O2
MW: 152.19
Metoprolol
53
2-(1-Cyclohexenyl ethylamine)
3393-73-3

MF:C8H15N
MW: 125.21
Dextro- methorphan HBr
54
Dimethyl amine hydrochloride
506-59-2

MF: C2H7N.HCl
MW: 81.55
Metformin, Ranitidine
55
1-Acetyl-4-(4-hydroxyphenyl) piperazine
67914-40-7

MF: C12H16N2O2
MW: 220.27
Ketoconazole
56
4'-Bromomethyl-2- biphenylcarbonitrile
114772-54-2

MF: C14H10BrN
MW: 272.14
Valsartan, Olmesartan
57
1-(6-methylpyridine-3yl)-2- [(4-(methylsulphonyl)phenyl] ethanone [Ketosulfone]
221615-75-4

MF:C15H15NO3S
MW: 289.35
Etoricoxib
58
AABZ 5-Acetoacetylaminobenzimidazol- 2-one
26576-46-5

MF: C11H11N3O3
MW: 233.23
Pigment Intermediates
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