Clearsynth

Clearsynth is a technology based, research driven enterprise with the World's Largest Inventory of Reference Standards & Research Chemicals. We aim to enable the research community in accelerated discovery via synthesis of complex and difficult to make compounds. We specialize in Innovative Organic chemistry and synthesis of Unique Complex Molecules, Stable Isotope Labelled compounds, Metabolites, Impurities, Glucuronides, Chiral Compounds, Conjugate Impurities, and Radioactive Labelled Compounds. We also undertake synthesis of complex Molecules or "Difficult to Synthesize" compounds/Intermediates. We have a strong commitment towards improving our quality systems, to deliver products that meet and exceed the needs of our customers and regulatory body mandates.

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6-Methoxy-2-naphthalenecarboxaldehyde 500 g  | >98%

Clearsynth

Fine Chemical

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6-Methoxy-2-naphthalenecarboxaldehyde

6-Methoxy-2-naphthoic Acid 500 g  | >98%

Clearsynth

An impurity of Naproxen with bactericidal and fungicidal activity. A metabolite of Nabumetone .;Impurity in commercial preparations of Naproxen

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6-Methoxy-2-naphthoic Acid

6-Methoxy-8-nitroquinoline 500 g  | >98%

Clearsynth

Fine Chemical

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6-Methoxy-8-nitroquinoline

6-Methylthioguanine 500 g  | >98%

Clearsynth

A metabolite of 2′-Deoxy-6-thio Guanosine and 6-Thioguanine. An effective immunosuppressant and anticancer agent, however chronic exposure can be mutagenic in human cells as long-term use of thiopurines was found to be associated with a signific

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6-Methylthioguanine

6-O-Desmethyl Donepezil 500 g  | >98%

Clearsynth

A metabolite of Donepezil , an inhibitor of acetylcholinesterase.

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6-O-Desmethyl Donepezil

6-Oxo Boldione 500 g  | >98%

Clearsynth

A derivative of Exemestane ;Impurity in commercial preparations of Exemestane

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6-Oxo Boldione

6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione 500 g  | >98%

Clearsynth

Fine Chemical

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6,6-Dimethyl-3-oxabicyclo[3.1.0]hexane-2,4-dione

6,7-bis-(2-Methoxyethoxy)-quinazolin-4(3h)-one 500 g  | >98%

Clearsynth

Intermediates

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6,7-bis-(2-Methoxyethoxy)-quinazolin-4(3h)-one

6,7-Dihydro Rosuvastatin Calcium 500 g  | >98%

Clearsynth

Impurity in commercial preparation of Rosuvastatin.

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6,7-Dihydro Rosuvastatin Calcium

6,7-Dimethoxy-4-(4-aminophenoxy)quinoline 500 g  | >98%

Clearsynth

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6,7-Dimethoxy-4-(4-aminophenoxy)quinoline

6α-Methyl hydrocortisone 21-acetate 500 g  | >98%

Clearsynth

A Methylprednisolone acetate (M326035) USP impurity.

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6α-Methyl hydrocortisone 21-acetate

6β-Hydroxy Naltrexone 500 g  | >98%

Clearsynth

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6β-Hydroxy Naltrexone

6a-Methyl Prednisolone 21-Acetate 500 g  | >98%

Clearsynth

6a-Methyl Prednisolone 21-Acetate is used as a glucocorticoid.

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6a-Methyl Prednisolone 21-Acetate

6a-Methyl Prednisone 500 g  | >98%

Clearsynth

Metabolites

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6a-Methyl Prednisone

6H-Benzo[cd]pyren-6-one 500 g  | >98%

Clearsynth

Fine Chemicals

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6H-Benzo[cd]pyren-6-one

7-(But-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione 500 g  | >98%

Clearsynth

Impurity in commercial preparation of Linagliptin.

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7-(But-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H,7H)-dione

7-α-Thiomethyl Spironolactone 500 g  | >98%

Clearsynth

Metabolite of Spironolactone

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7-α-Thiomethyl Spironolactone

7-ADCA 500 g  | >98%

Clearsynth

A metabolite of Cephalexin .

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7-ADCA

7-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic Acid 500 g  | >98%

Clearsynth

Impurities

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7-Amino-1-cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic Acid

7-Amino-3-[[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-1,2,4-triazin-3-yl)thio]methyl]cephalosporanic Acid 500 g  | >98%

Clearsynth

Intermediates

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7-Amino-3-[[(2,5-dihydro-6-hydroxy-2-methyl-5-oxo-1,2,4-triazin-3-yl)thio]methyl]cephalosporanic Acid

7-Amino-deacetylcephalosporanic Acid 500 g  | >98%

Clearsynth

Intermediate in the semi-synthetic cephalosporins synthesis. Found in Acremonium chrysogenum.

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7-Amino-deacetylcephalosporanic Acid

7-Bromo Darifenacin 500 g  | >98%

Clearsynth

Impurity in commercial preparation of Darifenacin.

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7-Bromo Darifenacin

7-Chloro-2-(dimethylamino)-5-phenyl3H-benzo[e][1,4] diazepine 4-oxide 500 g  | >98%

Clearsynth

Fine Chemical

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7-Chloro-2-(dimethylamino)-5-phenyl3H-benzo[e][1,4] diazepine 4-oxide

7-Chloro-8-quinolinol 500 g  | >98%

Clearsynth

Intermediates

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7-Chloro-8-quinolinol

7-Chloroquinaldine 500 g  | >98%

Clearsynth

Fine Chemical

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7-Chloroquinaldine

7-Epi 10-Desacetyl Paclitaxel 500 g  | >98%

Clearsynth

Impurities

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7-Epi 10-Desacetyl Paclitaxel

7-Epi Lincomycin Hydrochloride Salt 500 g  | >98%

Clearsynth

Intermediates

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7-Epi Lincomycin Hydrochloride Salt

7-Epi Paclitaxel 500 g  | >98%

Clearsynth

Impurities

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7-Epi Paclitaxel

7-epi-Clindamycin 500 g  | >98%

Clearsynth

Impurities

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7-epi-Clindamycin

7-ethyl Camptothecin 500 g  | >98%

Clearsynth

An anticancer drug, showed strong activity against various murine tumors. A Camptothecin (CPT) derivative as antineoplastic agent against drug-resistant tumors.

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7-ethyl Camptothecin

7-Ethyl-10-(4-N-aminopentanoic acid)-1-piperidino)carbonyloxycamptothecin 500 g  | >98%

Clearsynth

Metabolites

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7-Ethyl-10-(4-N-aminopentanoic acid)-1-piperidino)carbonyloxycamptothecin

7-Ethyl-10-hydroxycamptothecin 500 g  | >98%

Clearsynth

A metabolite of Irinotecan, a DNA topoisomerase inhibitor.

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7-Ethyl-10-hydroxycamptothecin

7-fluoro-1,4-dihydro-1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-6-iodo-4-oxo-3-Quinolinecarboxylic acid ethyl ester 500 g  | >98%

Clearsynth

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7-fluoro-1,4-dihydro-1-[(1S)-1-(hydroxymethyl)-2-methylpropyl]-6-iodo-4-oxo-3-Quinolinecarboxylic acid ethyl ester

7-Hydroxy Coumarin 500 g  | >98%

Clearsynth

A metabolite of Coumarin. The aglucon of skimmin. Present in many plants.

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7-Hydroxy Coumarin

7-Hydroxy Hyoscyamine 500 g  | >98%

Clearsynth

A metabolite of Hyoscyamine.

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7-Hydroxy Hyoscyamine

7-Hydroxy Mitragynine 500 g  | >98%

Clearsynth

A metabolite of Mitragynine as analgesic agents.

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7-Hydroxy Mitragynine

7-Hydroxy-1,3-naphthalenedisulfonic Acid 500 g  | >98%

Clearsynth

Fine Chemical

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7-Hydroxy-1,3-naphthalenedisulfonic Acid

7-Hydroxy-1,3,6-naphthalenetrisulfonic Acid Trisodium Salt 500 g  | >98%

Clearsynth

Heterocyclic Compounds

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7-Hydroxy-1,3,6-naphthalenetrisulfonic Acid Trisodium Salt

7-Methoxy-1-naphthylacetonitrile 500 g  | >98%

Clearsynth

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7-Methoxy-1-naphthylacetonitrile

7-Methoxy-8-(3-morpholinopropoxy)-2,3-dihydroimidazo[1,2-c]quinazolin-5-amine 500 g  | >98%

Clearsynth

Fine chemicals

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7-Methoxy-8-(3-morpholinopropoxy)-2,3-dihydroimidazo[1,2-c]quinazolin-5-amine

7,10-dichloro-2-methoxybenzo[b]-1,5-naphthyridine 500 g  | >98%

Clearsynth

7,10-Dichloro-2-methoxybenzo[b][1,5]naphthyridine is used in the preparation of pyronaridine.

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7,10-dichloro-2-methoxybenzo[b]-1,5-naphthyridine

7β,8β – Lactocyanocobalamin 500 g  | >98%

Clearsynth

Impurity in commercial preparation of Cyanocobalamin.

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7β,8β – Lactocyanocobalamin

7a-Thio Spironolactone 500 g  | >98%

Clearsynth

A metabolite of Spironolactone.

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7a-Thio Spironolactone

8-(Benzyloxy)-7-methoxy-2,3-dihydroimidazo[1,2-c]quinazolin-5-amine 500 g  | >98%

Clearsynth

Fine chemicals

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8-(Benzyloxy)-7-methoxy-2,3-dihydroimidazo[1,2-c]quinazolin-5-amine

8-amino-6-methoxyquinoline 500 g  | >98%

Clearsynth

Fine Chemical

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8-amino-6-methoxyquinoline

8-Benzyl-3-(3-isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-exo-8-azabicyclo[3.2.1]octane 500 g  | >98%

Clearsynth

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8-Benzyl-3-(3-isopropyl-5-methyl-4H-1,2,4-triazol-4-yl)-exo-8-azabicyclo[3.2.1]octane

8-Bromo-3-methyl-xanthine 500 g  | >98%

Clearsynth

8-Bromo-3,9-dihydro-3-methyl-1H-purine-2,6-dione, is a substituted derivative of of Xanthine, found in animal organs, yeast, potatoes, coffee beans, tea. It can also be used for the synthesis of Linagliptin, which is a novel potent and selective d

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8-Bromo-3-methyl-xanthine

8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-Purine-2,6-dione 500 g  | >98%

Clearsynth

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8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-Purine-2,6-dione

8-Chloro Caffeine 500 g  | >98%

Clearsynth

A halogenated analog of Caffeine as potential radiosensitizing agent.

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8-Chloro Caffeine

8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one 500 g  | >98%

Clearsynth

Loratadine intermediate. Loratidine impurity C.

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8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one