Pharmaceutical Intermediates

Sarex is a leading manufacturer of pharmaceutical intermediates and API intermediates in India, operating from our GMP-compliant Tarapur (MIDC) manufacturing facility with dedicated R&D and quality control support. Our intermediate manufacturers work closely with pharmaceutical companies globally to deliver high-purity, reliable bulk pharma intermediates for API synthesis, formulation development, and commercial-scale production.

Browse our comprehensive pharma intermediates list below, covering heterocyclic compounds, aromatic amines, halogenated intermediates, and specialty building blocks used across antidiabetic, analgesic, antihypertensive, and other therapeutic drug classes.

Sr. No. Product Name CAS No. Description
1 5-Ethyl pyridine-2-ethanol 5223-06-3

5-Ethylpyridine-2-ethanol is a versatile heterocyclic alcohol used as an intermediate in pharmaceutical, agrochemical, and fine chemical synthesis.

2 2,4-Thiazolidinedione (P) 2295-31-0

2,4-Thiazolidinedione (P) is a key heterocyclic compound used as a core building block in the synthesis of antidiabetic drugs and other pharmaceutical agents.

3 2(4-Chlorobenzoyl) Benzoic Acid 85-56-3

2-(4-Chlorobenzoyl)benzoic acid is a high-purity aromatic intermediate widely used in pharmaceutical, agrochemical, and fine chemical synthesis.

4 1-Phenyl-1-cyclopentanecarboxylic acid 77-55-4

1-Phenyl-1-cyclopentanecarboxylic acid is a versatile organic intermediate used in pharmaceutical synthesis, fine chemicals, and specialty compounds.

5 Anthranilamide 88-68-6

Acetaldehyde scavending Agent in PET Bottles.

6 Methyl 4-bromocrotonate 1117-71-1

Methyl 4-bromocrotonate is a versatile chemical intermediate widely used in pharmaceutical, agrochemical, and fine chemical synthesis.

7 Benzophenoneimine 1013-88-3

Benzophenoneimine is a valuable intermediate used in organic synthesis, particularly for the preparation of amines, ligands, and heterocyclic compounds.

8 4-Acetylbenzonitrile 1443-80-7

4-Acetylbenzonitrile is a versatile aromatic intermediate used in pharmaceutical, agrochemical, and fine chemical synthesis.

9 3-Bromoacetylpyridine HBr 17694-68-7

3-Bromoacetylpyridine HBr is a high-purity heterocyclic intermediate used in pharmaceutical and fine chemical synthesis.

10 6-Nitro-7-chloro-4-hydroxy quinazoline 53449-14-2

6-Nitro-7-chloro-4-hydroxyquinazoline is a valuable intermediate in pharmaceutical and chemical synthesis, particularly in the development of quinazoline-based drugs.

11 Benzoic Hydrazide 613-94-5

Benzoic hydrazide is a key organic intermediate used in the synthesis of pharmaceuticals, agrochemicals, and dyes.

12 2,6-Dichloroisonicotinic Acid (2,6-Dichloropyridine-4-carboxylic acid) 5398-44-7

It is used as pharmaceutical Intermediate.

13 4-Amino-6-(trifluoromethyl)benzene-1,3-disulfonamide (TFMSAA) 654-62-6

4-Amino-6-(trifluoromethyl)benzene-1,3-disulfonamide (TFMSAA) is a high-purity intermediate widely used in pharmaceutical and agrochemical synthesis.

14 Pyridinium p-toluenesulfonate 24057-28-1

Pyridinium p-toluenesulfonate (PPTS) is a mild, non-volatile acid catalyst widely used in organic synthesis, particularly for esterification, acetalization, and deprotection reactions.

15 4-Aminobenzoic acid 150-13-0

4-Aminobenzoic acid (PABA) is an aromatic compound widely used as an intermediate in pharmaceutical, dye, and cosmetic formulations.

16 Cyno acetic acid 372-09-8

Cyanoacetic acid is a highly reactive organic compound widely used as a key intermediate in pharmaceuticals, agrochemicals, and dye manufacturing.

17 3,6,9,15-Tetraazabicyclo[9.3.1]pentadeca-1(15), 11,13-triene, Trihydrobromide 189757-45-7

3,6,9,15-Tetraazabicyclo[9.3.1]pentadeca-1(15),11,13-triene, Trihydrobromide is a high-purity heterocyclic compound commonly used in pharmaceutical research and chemical synthesis.

18 Ethyl 4-bromophenyl acetate (EBPA) 14062-25-0

Ethyl 4-bromophenyl acetate (EBPA) is a versatile organic intermediate used in pharmaceutical, agrochemical, and fine chemical synthesis.

19 4-(2-Hydrazino-2-oxoethyl)-4-methylmorpholine-4-ium chloride (HMMC) 876-57-3

4-(2-Hydrazino-2-oxoethyl)-4-methylmorpholine-4-ium chloride (HMMC) is a specialized reagent used in pharmaceutical research and chemical synthesis.

20 2-Acetamidophenol 614-80-2

2-Acetamidophenol, also known as N-(2-Hydroxyphenyl)acetamide, is a key pharmaceutical intermediate commonly used in the synthesis of analgesic and antipyretic drugs.

21 3-Methyl-1-phenyl-2-pyrazolin-5-one 89-25-8

3-Methyl-1-phenyl-2-pyrazolin-5-one is a heterocyclic compound widely used as an intermediate in pharmaceutical synthesis, especially in the production of analgesic and anti-inflammatory drugs.

22 3-Iodoaniline 626-01-7

3-Iodoaniline is a valuable halogenated aromatic amine used as an intermediate in pharmaceutical, agrochemical, and dye synthesis.

23 4-Methoxybenzylamine 2393-23-9

4-Methoxybenzylamine is a high-purity aromatic amine widely used as an intermediate in pharmaceutical synthesis, agrochemicals, and fine chemicals.

24 Aminodiphenylmethane (BENZHYD) 91-00-9

Aminodiphenylmethane (Benzyhyd) is a key aromatic amine intermediate used in the production of dyes, pigments, pharmaceuticals, and specialty chemicals.

25 Diphenylamine 122-39-4

Diphenylamine is a versatile organic compound used as an antioxidant, stabilizer, and chemical intermediate in the manufacture of dyes, rubber, lubricants, and agrochemicals.

26 2-Iodoxybenzoic acid 61717-82-6

2-Iodoxybenzoic acid (IBX) is a powerful oxidizing agent widely used in organic synthesis for the selective oxidation of alcohols to carbonyl compounds.

27 4-(4,6-DIMETHOXY-1,3,5-TRIAZIN-2-YL)-4-METHYL MORPHOLINIUM CHLORIDE (DMTMM)(APPOLO-202)
28 Methyl 4-(bromomethyl) benzoate 2417-72-3

Methyl 4-(bromomethyl)benzoate is a versatile intermediate used in pharmaceutical, agrochemical, and specialty chemical synthesis.

29 N-cclopropyl-1,3,5-triazine-2,4,6-triamine (cyromazine) (appolo-205) ---

N-Cyclopropyl-1,3,5-triazine-2,4,6-triamine (Cyromazine) (APPOLO-205) is a highly effective insect growth regulator widely used in veterinary and agricultural applications.

30 2,4-diamino-6-(2,5-dichlorophenyl)-1,3,5-triazine maleate (appolo-206) ---

2,4-Diamino-6-(2,5-dichlorophenyl)-1,3,5-triazine maleate (APPOLO-206) is a high-performance UV absorber and light stabilizer used in plastics, coatings, and polymer applications.

31 2-(4-Chloro-3-Nitrobenzoyl) Benzoic Acid 85-54-1

It is used as pharmaceutical Intermediate.

32 1-Oxo-2,3-dihydro-1H-indene-4-carbonitrile 60899-34-5

1-Oxo-2,3-dihydro-1H-indene-4-carbonitrile is a valuable intermediate in pharmaceutical and agrochemical synthesis.

33 Diphenyl Diselenide 1666-13-3

Used as general industrial fine chemical.

It is the oxidized derivative of benzeneselenol.

34 Alpha-d-glucofuranose,1,2-0-(2,2,2-trichloroethylidene)-,(r) 15879-93-3

Alpha Chloralose is used in baits to kill mice.

35 2,2'-Dihydroxy-3,3',5,5' tetra tert butyl biphenyl 6390-69-8

This is used as intermediate to manufacture Phosphite anti oxidants.

36 1,1-Diphenylacetone 781-35-1

It is intermediates of rodenticide.

37 Tert-butyl Carbamate 4248-19-5

Used as general industrial fine chemical.

It is used in palladium catalyzed synthesis of N-Boc protected anilines.

Frequently Asked Questions

Q1: What does Sarex's Pharmaceutical Intermediates portfolio cover?

A1: It's an extensive list of API intermediates and bulk drug intermediates used across pharmaceutical, agrochemical, and fine chemical synthesis.


Q2: Does Sarex offer custom synthesis of pharmaceutical intermediates?

A2: Sarex specializes in the synthesis of a wide pharma intermediates list, and our R&D team supports custom and contract manufacturing requirements for pharmaceutical and agrochemical companies — contact us to discuss your specific intermediate requirement.

Q3: What role does 4-Aminobenzoic acid (PABA) play?

A3: It is used as an intermediate in pharmaceutical, dye, and cosmetic formulations.


Q4: What are chemical intermediates, and why are they important in pharma manufacturing?

A6: Chemical intermediates are compounds synthesized as building blocks in the multi-step process of manufacturing an active pharmaceutical ingredient (API). As a pharma intermediates supplier, Sarex provides high-purity intermediates that pharmaceutical manufacturers use to synthesize APIs reliably and at scale.

Q5: Is Sarex a recognized manufacturer of pharmaceutical/API intermediates in India?

A5: Yes, Sarex is regarded as a leading manufacturer of fine chemicals and API intermediates in India, operating from its MIDC Tarapur facility with R&D support, and exporting to more than 40 countries.