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Rending quality & reliable services like Custom Technology Development, Contract Research Development, API Synthesis, Testing Facility, etc. and providing complementary products like Intermediates, Bulk Chemicals, Flavours and many more.

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About Us

Cleanchem Laboratories LLP is an independent reliable R&D based custom manufacturing company (CRAMS) delivering its numerous leading products to pharmaceutical, chemical, Sulfate Impurities, clinical research, specialty chemical, academic and government research institutions and healthcare industry. Cleanchem is fully research driven organization dealing with custom synthesis of impurity reference standards, NCE Building blocks, specialty chemicals, intermediates, complex organic chemicals for biomedical and pharmaceutical research. We also provide supplementary products such as secondary reference standards which are compared to USP, IP, EP or BP and accompanied with an advanced certificate of analysis (CoA).

Mission and Vision

To develop clean and green chemical processed for manufacturing of Abacavir Sulfate Impurities and allied products...


Tofacitinib Impurity-O
Tofacitinib Impurity-O
Diphenhydramine Impurity-C 2-[(RS)-(4-bromophenyl)phenylmethoxy]-N,N-dimethylethanamine
Diphenhydramine Impurity-C 2-[(RS)-(4-bromophenyl)phenylmethoxy]-N,N-dimethylethanamine
Chlortalidone Impurity E
Chlortalidone Impurity E
Apremilast Impurity - Amino Apremilast
Apremilast Impurity - Amino Apremilast
Naproxen Impurity-M
Naproxen Impurity-M
Aripiprazole Impurity 14
Aripiprazole Impurity 14
Isopropyl Methanesulfonate
Isopropyl Methanesulfonate
(R)-3-(3-Fluoro-phenyl)-5-hydroxymethyl-oxazolidin-2-one
(R)-3-(3-Fluoro-phenyl)-5-hydroxymethyl-oxazolidin-2-one
Diclofenac Impurity-C - 2-oxindole
Diclofenac Impurity-C - 2-oxindole
Acyclovir Impurity 1
Acyclovir Impurity 1
DL- Adrenochrome
DL- Adrenochrome
Apixaban API- working std.
Apixaban API- working std.
Bisoprolol Fumarate working std.
Bisoprolol Fumarate working std.
Cinacalcet R-isomer
Cinacalcet R-isomer
Anastrozole Impurity 4
Anastrozole Impurity 4
Paliperidone hydroxy benzoyl analog
Paliperidone hydroxy benzoyl analog
3-morpholin-4-yl-1-4-nitrophenyl-5,6-dihydropyridin-2-1H-one
3-morpholin-4-yl-1-4-nitrophenyl-5,6-dihydropyridin-2-1H-one
Isopropyl ethane sulphonate(IPES)
Isopropyl ethane sulphonate(IPES)
2-Cyanobenzoic acid
2-Cyanobenzoic acid
Azathioprine  Impurity E Sodium Salt
Azathioprine Impurity E Sodium Salt
THPI (3aR,7aS)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione
THPI (3aR,7aS)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione
THPAM (1R,6S)-6-carbamoylcyclohex-3-ene-1-carboxylic acid
THPAM (1R,6S)-6-carbamoylcyclohex-3-ene-1-carboxylic acid
Alogliptin Related Compound 22
Alogliptin Related Compound 22
Acitretin Impurity 4
Acitretin Impurity 4
Aceclofenac Impurity I
Aceclofenac Impurity I
Azacitidine WS
Azacitidine WS
THPAI (1R,2S)-cyclohex-4-ene-1,2-dicarboxylic acid
THPAI (1R,2S)-cyclohex-4-ene-1,2-dicarboxylic acid
Acetylsalicylsalicylsalicylic Acid
Acetylsalicylsalicylsalicylic Acid
Alogliptin Related Compound 24
Alogliptin Related Compound 24
Alogliptin WS
Alogliptin WS
THPAM
THPAM
3-OH THPI (3aR,7aR)-4-hydroxy-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione
3-OH THPI (3aR,7aR)-4-hydroxy-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione
Azathioprine  Impurity G (Thiamiprine)
Azathioprine Impurity G (Thiamiprine)
Azacitidine Impurity 9
Azacitidine Impurity 9
4-(Benzyloxy)benzyl alcohol
4-(Benzyloxy)benzyl alcohol
Methyl 1-boc-pyrrolidine-3-carboxylate
Methyl 1-boc-pyrrolidine-3-carboxylate
5-Benzyloxy-2-nitrotoluene
5-Benzyloxy-2-nitrotoluene
2-(Benzyloxy) benzamide
2-(Benzyloxy) benzamide
2-(5-Fluoro-2-methylbenzoyl)benzoic acid
2-(5-Fluoro-2-methylbenzoyl)benzoic acid
1-(3-Methoxyphenyl)piperazine
1-(3-Methoxyphenyl)piperazine
2-Nitrobenzoyl chloride
2-Nitrobenzoyl chloride
1-Benzyl-pyrrolidine¬2-carboxylic acid
1-Benzyl-pyrrolidine¬2-carboxylic acid
N-(3-Chlorophenyl) formamide
N-(3-Chlorophenyl) formamide
Ethyl 3-methyl-4-nitrophenyl carbonate
Ethyl 3-methyl-4-nitrophenyl carbonate
Thiophene-2-carboxamide
Thiophene-2-carboxamide
2-[(2-Methoxyphenoxy)methyl]oxirane
2-[(2-Methoxyphenoxy)methyl]oxirane
Ethyl piperidine¬3-carboxylate hydrochloride
Ethyl piperidine¬3-carboxylate hydrochloride
1-Allyloxy-3-methyl-4-nitrobenzene
1-Allyloxy-3-methyl-4-nitrobenzene
1-Boc-4-methoxypiperidine
1-Boc-4-methoxypiperidine
4-dimethylamino butanal
4-dimethylamino butanal
2-Hydroxyphenyl benzoate
2-Hydroxyphenyl benzoate