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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...


Clomiphene Citrate Impurity-A Deschloro Clomiphene
Clomiphene Citrate Impurity-A Deschloro Clomiphene
N-Demethyl-N-Propanoyl Erythromycin
N-Demethyl-N-Propanoyl Erythromycin
Doxazosin Related Compound-B
Doxazosin Related Compound-B
(S)-9-Hydroxy Risperidone ((S)-Paliperidone)
(S)-9-Hydroxy Risperidone ((S)-Paliperidone)
Timolol Impurity - A
Timolol Impurity - A
Linezolid working std. N-{[(5R)-3-(3-fluoro-4-morpholin-4-ylphenyl)-2-oxo-1,3-oxazolidin-5-yl]
Linezolid working std. N-{[(5R)-3-(3-fluoro-4-morpholin-4-ylphenyl)-2-oxo-1,3-oxazolidin-5-yl]
Apremilast Impurity 1
Apremilast Impurity 1
Chlortalidone Impurity 1
Chlortalidone Impurity 1
Apremilast Standard
Apremilast Standard
Diethyl acetamidomalonate
Diethyl acetamidomalonate
Paliperidone Impurity H
Paliperidone Impurity H
Erythromycin Propionate
Erythromycin Propionate
Diphenhydramine Impurity-D DIPHENYLMETHANOL Benzhydrol
Diphenhydramine Impurity-D DIPHENYLMETHANOL Benzhydrol
Azathioprine WS
Azathioprine WS
Aripiprazole Impurity E
Aripiprazole Impurity E
O-(2,4-dinitrophenyl)hydroxylamine
O-(2,4-dinitrophenyl)hydroxylamine
Erythromycin Impurity J (Roxithromycin EP Impurity C)
Erythromycin Impurity J (Roxithromycin EP Impurity C)
THPAI (1R,2S)-cyclohex-4-ene-1,2-dicarboxylic acid
THPAI (1R,2S)-cyclohex-4-ene-1,2-dicarboxylic acid
THPAM
THPAM
Aceclofenac Impurity I
Aceclofenac Impurity I
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
Acetylsalicylsalicylsalicylic Acid
Acetylsalicylsalicylsalicylic Acid
THPAM (1R,6S)-6-carbamoylcyclohex-3-ene-1-carboxylic acid
THPAM (1R,6S)-6-carbamoylcyclohex-3-ene-1-carboxylic acid
Azathioprine  Impurity G (Thiamiprine)
Azathioprine Impurity G (Thiamiprine)
Azacitidine Impurity 9
Azacitidine Impurity 9
Alogliptin WS
Alogliptin WS
Alogliptin Related Compound 24
Alogliptin Related Compound 24
2-Cyanobenzoic acid
2-Cyanobenzoic acid
Azacitidine WS
Azacitidine WS
Azathioprine  Impurity E Sodium Salt
Azathioprine Impurity E Sodium Salt
Alogliptin Related Compound 22
Alogliptin Related Compound 22
Isopropyl ethane sulphonate(IPES)
Isopropyl ethane sulphonate(IPES)
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
Acitretin Impurity 4
Acitretin Impurity 4
1-Benzyl-pyrrolidine¬2-carboxylic acid
1-Benzyl-pyrrolidine¬2-carboxylic acid
3-Chlorosulfonyl benzoic acid
3-Chlorosulfonyl benzoic acid
1-(3-Chlorophenyl) piperazine hydrochloride
1-(3-Chlorophenyl) piperazine hydrochloride
Ethyl 4-bromo-3-fluorobenzoate
Ethyl 4-bromo-3-fluorobenzoate
2-[(2-Methoxyphenoxy)methyl]oxirane
2-[(2-Methoxyphenoxy)methyl]oxirane
Phenylboronic acid
Phenylboronic acid
1-Benzoyl-pyrrolidine¬2-carboxylic acid
1-Benzoyl-pyrrolidine¬2-carboxylic acid
2-Isopropyl-1-ethoxybenzene
2-Isopropyl-1-ethoxybenzene
4-Fluorophenyl acetate
4-Fluorophenyl acetate
á-Bromo cinnamaldehyde
á-Bromo cinnamaldehyde
Thiazolidine-2,4-dione
Thiazolidine-2,4-dione
1-Acetyl-piperidine¬4-carboxylic acid
1-Acetyl-piperidine¬4-carboxylic acid
4-Methoxy benzophenone oxime
4-Methoxy benzophenone oxime
Methyl 1-benzyl-pyrrolidine-2-carboxylate
Methyl 1-benzyl-pyrrolidine-2-carboxylate
4-Propoxynitrobenzene
4-Propoxynitrobenzene
2-Isopropyl-1-methoxybenzene
2-Isopropyl-1-methoxybenzene
Ethyl N-benzylglycinate
Ethyl N-benzylglycinate