Api Impurities

Our product range includes a wide range of tetrabenazine active pharmaceutical ingredient, brivaracetam pharmaceutical ingredient, erythromycin impurity k, tacrolimus ring opening impurity, clarithromycin impurity k and fosfomycin trometamol ep impurity c.

Tetrabenazine Active pharmaceutical Ingredient

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₹ 2000 Get Latest Price

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Packaging TypePack
ManufacturerEquilife Laboratories
nameTetrabenazine impurity
Country of OriginMade in India

Minimum order quantity: 25 Kg

Description. Tetrabenazine is used to treat chorea (a movement disorder) that is caused by Huntington disease. Tetrabenazine works in the central nervous system (CNS) to prevent the absorption of certain chemicals (such as dopamine and serotonin). This medicine is available only with your doctor's prescription

Brivaracetam Pharmaceutical Ingredient

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₹ 2000 Get Latest Price

Product Brochure
Packaging TypeDrum
ManufacturerEquilife Laboratories
namebrivaracetam
Country of OriginMade in India

Minimum order quantity: 25 Kg

Brivaracetam is used to treat partial-onset seizures with or without secondary generalisation, in combination with other antiepileptic drugs. Efficacy and tolerability is comparable in general and Intellectual Disability populations.[9] No data are available for its effectiveness and safety in people younger than 16 years of age

Erythromycin Impurity K

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₹ 11000 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
CAS Number33442-56-7
Molecular Weight703.9
Chemical FormulaC36H65NO12

Minimum order quantity: 25 mg

Erythromycin EP Impurity K is chemically (3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-[(2,6-dideoxy-3-C-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyl-6-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione (as per EP). It is also known as Erythromycin D (EP) ; 3''-​O-​demethyl-​12-​deoxy Erythromycin . Erythromycin EP Impurity K is supplied with detailed characterization data compliant with regulatory guideline. Erythromycin EP Impurity K can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Erythromycin.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility

Tacrolimus Ring Opening impurity

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₹ 12000 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
CAS Number1393890-33-9
Chemical FormulaC44H71NO13

Minimum order quantity: 25 Kg

    Tacrolimus Ring-opening Impurity is identified by CAS No. 1393890-33-9 and is chemically known as Tacrolimus Ring-opening Impurity.

    Tacrolimus Ring-opening Impurity is provided with comprehensive characterization data in accordance with regulatory guidelines. It is suitable for use in analytical method development, method validation (AMV), Quality Control (QC) applications for Abbreviated New Drug Applications (ANDA) and commercial production of Tacrolimus. 

    Tacrolimus Open Ring Impurity (USP) is chemically (3S,4R,5S,8R,12S,14S,15R,16S,18R,26aS,E)-8-Allyl-5,6,11,12,13,14,15,16,17,18,24,25,26,26a-tetradecahydro-5,15,20,20-tetrahydroxy-3-{(E)-2-[1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]- 1-methylvinyl}-14,16-dimethoxy-4,10,12,18-tetramethyl-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,19,21(4H,8H,20H,23H)-tetrone (as per USP). Tacrolimus Open Ring Impurity (USP) is supplied with detailed characterization data compliant with regulatory guideline. Tacrolimus Open Ring Impurity (USP) can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Tacrolimus.

    The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. 



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Clarithromycin Impurity K

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₹ 1200 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
CAS Number127157-35-1
Chemical FormulaC30H51NO8

Minimum order quantity: 25 mg

Clarithromycin EP Impurity K  is chemically (1S,2R,5R,6S,7S,8R,9R,11Z)-2-ethyl-6-hydroxy-9-methoxy-1,5,7,9,11,13-hexamethyl-8-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-3,15-dioxabicyclo[10.2.1]pentadeca-11,13-dien-4-one (3-O-decladinosyl-8,9:10,11-dianhydro-6-O-methylerythromycin A-9,12-hemiketal) (as per EP). Clarithromycin EP Impurity K  is supplied with detailed characterization data compliant with regulatory guideline. Clarithromycin EP Impurity K  can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Clarithromycin.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility

Fosfomycin Trometamol EP Impurity C

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₹ 12000 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
CAS Number23001-39-0
Chemical FormulaC4H12NO6P

Minimum order quantity: 25 mg

Fosfomycin Trometamol EP Impurity C is chemically 2-Amino-3-hydroxy-2-(hydroxymethyl)propyl dihydrogen phosphate. Fosfomycin Trometamol EP Impurity C is supplied with detailed characterization data compliant with regulatory guideline. Fosfomycin Trometamol EP Impurity C can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Fosfomycin.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. 

Fluticasone EP Impurity C

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₹ 120000 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
CAS Number80474-24-4

Minimum order quantity: 25 Gram

80474-24-4
Fluticasone API used Fluticasone Propionate EP Impurity C is chemically 6α,9-Difluoro-17-[[(fluoromethyl)sulphanyl]carbonyl]-11β-hydroxy-16α-methyl-3-oxoandrosta-1,4-dien-17α-yl acetate ; . It is also known as Fluticasone Furoate EP Impurity B ; Fluticasone USP Related Compound C ; Fluticasone Acetate Analog ; . Fluticasone Propionate EP Impurity C is supplied with detailed characterization data compliant with regulatory guideline. Fluticasone Propionate EP Impurity C can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Fluticasone.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based

Roxithromycin Impurity E

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₹ 1200 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
CAS Number1460313-66-9
Molecular Weight823.03
Chemical FormulaC40H74N2O15

Minimum order quantity: 25 Kg

Chemical name: 3''-O-Demethylerythromycin 9-(E)-[O-[(2-methoxyethoxy)methyl]oxime]
CAS Number: 1460313-66-9
Category: impurities,pharmaceutical standards,intermediates,Fine Chemicals
Synonyms: (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-4-(((2R,4R,5S,6S)-4,5-Dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-10-(((2-methoxyethoxy)methoxy)imino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one;
Molecular form: C40H74N2O15
Appearance: NA
Mol. Weight: 823.03

Roxithromycin Impurity K

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₹ 120000 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
Chemical FormulaC41H76N2O16

Minimum order quantity: 25 Gram

Chemical name: Erythromycin 9-(E)-[O-[[2-(hydroxymethoxy)ethoxy]methyl]oxime]
CAS Number: NA
Category: amines,chiral standards,Fine Chemicals,pharmaceutical standards,intermediates
Synonyms: (3R,4S,5S,6R,7R,9R,11S,12R,13S,14R,E)-6-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-10-(((2-(hydroxymethoxy)ethoxy)methoxy)imino)-3,5,7,9,11,13-hexamethyloxacyclotetradecan-2-one;
Molecular form: C41H76N2O16
Appearance: NA
Mol. Weight: 853.05
Storage: 2-8°C Refrigerator

Desmethyl Tacrolimus impurity

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₹ 12000 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder
CAS Number132172-14-6

Minimum order quantity: 25 mg

Parent drugTacrolimusIUPAC Name(18E)-17-Allyl-1, 14, 24-trihydroxy-12-[(1E)-1-(4-hydroxy-3-methoxycyclohexyl)-1-propen-2-yl]-23-methoxy-13, 19, 21, 27-tetramethyl-11, 28-dioxa-4-azatricyclo[23.2.1.0~4, 9~]octacos-18-ene-2, 3, 10, 16-tetroneSynonymsN/ASmileO=C(C(N1CCCCC1C(OC(/C(C)=C/C2CC(OC)C(O)CC2)C(C)C(O)C3)=O)=O)C(O4)(O)C(C)CC4C(O)C(OC)CC(C)C/C(C)=C/C(CC=C)C3=OInChIInChI=1S/C43H67NO12/c1-9-12-30-18-24(2)17-25(3)19-36(54-8)38(48)37-21-27(5)43(52,56-37)40(49)41(50)44-16-11-10-13-31(44)42(51)55-39(28(6)33(46)23-34(30)47)26(4)20-29-14-15-32(45)35(22-29)53-7/h9,18,20,25,27-33,35-39,45-46,48,52H,1,10-17,19,21-23H2,2-8H3/b24-18+,26-20+Description

It is a metabolite of Tacrolimus, Tacrolimus causes immunosuppression, through inhibition of the calcineurin-NFAT pathway.

ReferencesSci-Hub, Development and validation of a liquid chromatography–mass spectrometric assay for simultaneous determination of tacrolimus and 13-O-desmethyl

Tacrolimus Imurity XVIII Impurity

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₹ 1200 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder

Minimum order quantity: 25 Kg

Tacrolimus Impurity 8 is chemically (2R,4S,5R,6S,8S,10E,12R,15S,16R,17S,18E)-12-allyl-17-((1-(2-ethoxy-2-oxoacetyl)piperidine-2-carbonyl)oxy)-5,15-dihydroxy-19-((3R,4R)-4-hydroxy-3-methoxycyclohexyl)-4,6-dimethoxy-2,8,10,16,18-pentamethyl-13-oxononadeca-10,18-dienoic acid. Tacrolimus Impurity 8 is supplied with detailed characterization data compliant with regulatory guideline. Tacrolimus Impurity 8 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Tacrolimus.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility.

Dirithromycin Impurity C

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₹ 12000 Get Latest Price

Product Brochure
Grade StandardLab Grade
Packaging TypePack
Purity98%
Packaging Size25mg
FormPowder

Minimum order quantity: 25 mg

Dirithromycin EP Impurity C is chemically (9S)-9,11-[imino[(1RS)-2-(2-methoxyethoxy)ethylidene]oxy]-9-deoxo-11,12-dideoxyerythromycin . It is also known as Dirithromycin B. Dirithromycin EP Impurity C is supplied with detailed characterization data compliant with regulatory guideline. Dirithromycin EP Impurity C can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Dirithromycin.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility

Clarithromycin Impurity J

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₹ 12000 Get Latest Price

Product Brochure
Packaging TypePack
Purity98%
Packaging Size25mg
Grade StandardLab Grade
FormPowder
CAS Number13127-18-9
Molecular Weight749.0
Chemical FormulaC37H68N2O13

Minimum order quantity: 25 mg

Clarithromycin EP Impurity J  is chemically Erythromycin A (E)-9-oxime (as per EP). It is also known as Erythromycin A Oxime ;Roxithromycin Impurity C ;Erythromycin A (E)-9-oxime ;. Clarithromycin EP Impurity J  is supplied with detailed characterization data compliant with regulatory guideline. Clarithromycin EP Impurity J  can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Clarithromycin.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility.

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Dnyaneshwar Sinage (Director)
Equilife Laboratories Private Limited
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