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Alfa Chemistry is a global leading supplier of analytical chemistry reagents, providing a wide range of analytical chemicals such as analytical standards for a variety of analytical applications.

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Product
ltrombopag Impurity 23 ltrombopag Impurity 23. Uses: For analytical and research use. Alternative Names: (E)-methyl 3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylate. Molecular formula: C26H24N4O4. Mole weight: 456.49. Catalog: APB05624. Alfa Chemistry Analytical Products
ltrombopag Impurity 24 ltrombopag Impurity 24. Uses: For analytical and research use. Alternative Names: (E)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-2'-methoxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular formula: C26H24N4O4. Mole weight: 456.49. Catalog: APB05623. Alfa Chemistry Analytical Products
ltrombopag Impurity 25 ltrombopag Impurity 25. Uses: For analytical and research use. Alternative Names: (Z)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)-1-nitrosohydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular formula: C25H21N5O5. Mole weight: 471.46. Catalog: APB05622. Alfa Chemistry Analytical Products
ltrombopag Impurity 26 ltrombopag Impurity 26. Uses: For analytical and research use. Alternative Names: 3'-carboxy-2-hydroxy-[1,1'-biphenyl]-3-diazonium chloride. Molecular formula: C13H9ClN2O3. Mole weight: 276.68. Catalog: APB05621. Alfa Chemistry Analytical Products
ltrombopag Impurity 28 ltrombopag Impurity 28. Uses: For analytical and research use. Alternative Names: (Z)-2'-acetoxy-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-[1,1'-biphenyl]-3-carboxylic acid. Molecular formula: C27H24N4O5. Mole weight: 484.5. Catalog: APB05620. Alfa Chemistry Analytical Products
ltrombopag Impurity 29 ltrombopag Impurity 29. Uses: For analytical and research use. Alternative Names: (Z)-1-(3,4-dimethylphenyl)-4-(hydroxyimino)-3-methyl-1H-pyrazol-5(4H)-one. Molecular formula: C12H13N3O2. Mole weight: 231.25. Catalog: APB05619. Alfa Chemistry Analytical Products
ltrombopag Impurity 30 ltrombopag Impurity 30. Uses: For analytical and research use. Alternative Names: (E)-1-(3,4-dimethylphenyl)-4-(hydroxyimino)-3-methyl-1H-pyrazol-5(4H)-one. Molecular formula: C12H13N3O2. Mole weight: 231.25. Catalog: APB05617. Alfa Chemistry Analytical Products
ltrombopag Impurity 31 ltrombopag Impurity 31. Uses: For analytical and research use. Alternative Names: (Z)-2-aminoethyl 3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-2'-hydroxy-[1,1'-biphenyl]-3-carboxylate. Molecular formula: C27H27N5O4. Mole weight: 485.53. Catalog: APB05618. Alfa Chemistry Analytical Products
ltrombopag Impurity 32 ltrombopag Impurity 32. Uses: For analytical and research use. Alternative Names: (Z)-2'-(2-aminoethoxy)-3'-(2-(1-(3,4-dimethylphenyl)-3-methyl-5-oxo-1H-pyrazol-4(5H)-ylidene)hydrazinyl)-[1,1'-biphenyl]-3-carboxylic acid. Molecular formula: C27H27N5O4. Mole weight: 485.53. Catalog: APB05615. Alfa Chemistry Analytical Products
ltrombopag Impurity 33 ltrombopag Impurity 33. Uses: For analytical and research use. Alternative Names: 1-(3,4-dimethylphenyl)-3-methyl-1H-pyrazole-4,5-dione. Molecular formula: C12H12N2O2. Mole weight: 216.24. Catalog: APB05616. Alfa Chemistry Analytical Products
ltrombopag Impurity 34 ltrombopag Impurity 34. Uses: For analytical and research use. Alternative Names: 3'-hydrazinyl-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid. Molecular formula: C13H12N2O3. Mole weight: 244.25. Catalog: APB05613. Alfa Chemistry Analytical Products
L-Tyrosine 7-amido-4-methylcoumarin L-Tyrosine 7-amido-4-methylcoumarin. Uses: For analytical and research use. CAS No. 94099-57-7. Mole weight: 338.36. Catalog: AP94099577. Alfa Chemistry Analytical Products
Luciferase from Photinus pyralis (firefly) Luciferase from Photinus pyralis (firefly). Uses: For analytical and research use. CAS No. 61970-00-1. Catalog: AP61970001. Alfa Chemistry Analytical Products
Luciferase from Vibrio fischeri (Photobacterium f) Luciferase from Vibrio fischeri (Photobacterium f). Uses: For analytical and research use. CAS No. 9014-00-0. EC Number: 232-751-7. Catalog: AP9014000. Alfa Chemistry Analytical Products
Luliconazole Luliconazole. Uses: For analytical and research use. CAS No. 187164-19-8. Mole weight: 354.28. Catalog: AP187164198. Alfa Chemistry Analytical Products
Lurasidone Impurity 13 Lurasidone Impurity 13. Uses: For analytical and research use. Alternative Names: (3aR,4S,7R,7aS)-2-(((1RS,2SR)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione. Molecular formula: C28H36N4O2S. Mole weight: 492.68. Catalog: APB02159. Alfa Chemistry Analytical Products
Lurasidone impurity 16 Lurasidone impurity 16. Uses: For analytical and research use. Alternative Names: (3aR,3a'R,4S,4'S,7R,7aS,7'R,7a'S)-2,2'-((1R,2R)-cyclohexane-1,2-diylbis(methylene))bis(hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione). Molecular formula: C26H34N2O4. Mole weight: 438.56. Catalog: APB02158. Alfa Chemistry Analytical Products
Lurasidone impurity 27 Lurasidone impurity 27. Uses: For analytical and research use. Alternative Names: 4-(1,1-dioxidobenzo[d]isothiazol-3-yl)-1-(((1R,2R)-2-(((3aR,4S,7R,7aS)-1,3-dioxohexahydro-1H-4,7-methanoisoindol-2(3H)-yl)methyl)cyclohexyl)methyl)piperazine 1-oxide. Molecular formula: C28H36N4O5S. Mole weight: 540.67. Catalog: APB02157. Alfa Chemistry Analytical Products
Lurasidone impurity 34 Lurasidone impurity 34. Uses: For analytical and research use. Alternative Names: (1R,2R)-cyclohexane-1,2-dicarboxylic acid. Molecular formula: C8H12O4. Mole weight: 172.18. Catalog: APB02155. Alfa Chemistry Analytical Products
Lurasidone impurity 44 Lurasidone impurity 44. Uses: For analytical and research use. Alternative Names: (3aR,4R,7S,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione hydrochloride. Molecular formula: C28H37ClN4O2S. Mole weight: 529.14. Catalog: APB02154. Alfa Chemistry Analytical Products
Lurasidone Impurity 51 (Mesylate) Lurasidone Impurity 51 (Mesylate). Uses: For analytical and research use. Alternative Names: (3aS,7aS)-4'-(benzo[d]isothiazol-3-yl)octahydrospiro[isoindole-2,1'-piperazin]-1'-ium methanesulfonate. Molecular formula: C19H26N3S·CH3O3S. Mole weight: 423.16. Catalog: APB02151. Alfa Chemistry Analytical Products
Lurasidone Impurity 52 (Mesylate) Lurasidone Impurity 52 (Mesylate). Uses: For analytical and research use. Alternative Names: (3aR,7aS)-4'-(benzo[d]isothiazol-3-yl)octahydrospiro[isoindole-2,1'-piperazin]-1'-ium methanesulfonate. Molecular formula: C19H26N3S·CH3O3S. Mole weight: 423.16. Catalog: APB02150. Alfa Chemistry Analytical Products
Lurasidone Impurity 57 Lurasidone Impurity 57. Uses: For analytical and research use. Alternative Names: (2R,3R)-3-(hydroxymethyl)-2-methylpentyl 4-(1H-inden-3-yl)cyclohexanecarboxylate. Molecular formula: C23H32O3. Mole weight: 356.24. Catalog: APB02149. Alfa Chemistry Analytical Products
Lurasidone Impurity 58 Lurasidone Impurity 58. Uses: For analytical and research use. Alternative Names: ((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methanamine. Molecular formula: C19H28N4S. Mole weight: 344.2. Catalog: APB02148. Alfa Chemistry Analytical Products
Lurasidone ring opening impurity 47 Lurasidone ring opening impurity 47. Uses: For analytical and research use. Alternative Names: (1R,2S,3R,4S)-3-((((1R,2R)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)carbamoyl)bicyclo[2.2.1]heptane-2-carboxylic acid. Molecular formula: C28H38N4O3S. Mole weight: 510.69. Catalog: APB02152. Alfa Chemistry Analytical Products
Lurasidone ring opening impurity 48 Lurasidone ring opening impurity 48. Uses: For analytical and research use. Alternative Names: (1S,2R,3S,4R)-3-((((1R,2R)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)carbamoyl)bicyclo[2.2.1]heptane-2-carboxylic acid. Molecular formula: C28H38N4O3S. Mole weight: 510.69. Catalog: APB02153. Alfa Chemistry Analytical Products
Luxabendazole-(methyl-d3) Luxabendazole-(methyl-d3). Uses: For analytical and research use. CAS No. 1448346-27-7. Mole weight: 368.35. Catalog: AP1448346277. Alfa Chemistry Analytical Products
Lys-Ala-7-amido-4-methylcoumarin dihydrochloride Lys-Ala-7-amido-4-methylcoumarin dihydrochloride. Uses: For analytical and research use. CAS No. 103404-62-2. Mole weight: 447.36. Catalog: AP103404622. Alfa Chemistry Analytical Products
Macitentan Impurity 29 (Benzyl alcohol) Macitentan Impurity 29 (Benzyl alcohol). Uses: For analytical and research use. CAS No. 100-51-6. Molecular formula: C7H8O. Mole weight: 108.14. Catalog: APB100516. Alfa Chemistry Analytical Products
Mafenide Related Compound A Mafenide Related Compound A. Uses: For analytical and research use. CAS No. 3240-35-5. Mole weight: 185.20. Catalog: AP3240355. Alfa Chemistry Analytical Products
Maize powder MZ 0, IRMM certified reference material No. 411 Maize powder MZ 0, IRMM certified reference material No. 411. Uses: For analytical and research use. CAS No. 68525-86-0. EC Number: 271-199-1. Catalog: AP68525860. Alfa Chemistry Analytical Products
Malachite Green-d5 picrate Malachite Green-d5 picrate. Uses: For analytical and research use. CAS No. 1258668-21-1. Mole weight: 562.58. Catalog: AP1258668211. Alfa Chemistry Analytical Products
Malaridine Impurity 1 Malaridine Impurity 1. Uses: For analytical and research use. Alternative Names: 7-chloro-10-ethoxy-2-methoxybenzo[b][1,5]naphthyridine. Molecular formula: C15H13ClN2O2. Mole weight: 288.73. Catalog: APB01474. Alfa Chemistry Analytical Products
Malaridine Impurity 2 Malaridine Impurity 2. Uses: For analytical and research use. Alternative Names: 7,10-dichlorobenzo[b][1,5]naphthyridin-2(1H)-one. Molecular formula: C12H6Cl2N2O. Mole weight: 265.09. Catalog: APB01473. Alfa Chemistry Analytical Products
Malaridine Impurity 3 Malaridine Impurity 3. Uses: For analytical and research use. Alternative Names: 7-chloro-2-methoxybenzo[b][1,5]naphthyridin-10-ol. Molecular formula: C13H9ClN2O2. Mole weight: 260.68. Catalog: APB01472. Alfa Chemistry Analytical Products
Malaridine Impurity 7 Malaridine Impurity 7. Uses: For analytical and research use. Alternative Names: 7-chloro-2-methoxy-10-(pyrrolidin-1-yl)benzo[b][1,5]naphthyridine. Molecular formula: C17H16ClN3O. Mole weight: 313.78. Catalog: APB01471. Alfa Chemistry Analytical Products
Malonyl coenzyme A tetralithium salt Malonyl coenzyme A tetralithium salt. Uses: For analytical and research use. CAS No. 116928-84-8. Mole weight: 877.31. Catalog: AP116928848. Alfa Chemistry Analytical Products
Manganese violet Manganese violet. Uses: For analytical and research use. Alternative Names: Ammonium manganese(3+) diphosphate. CAS No. 10101-66-3. Molecular formula: H4MnNO7P2. Mole weight: 246.92. IUPAC Name: azanium;manganese(3+);phosphonato phosphate. Catalog: APB10101663. SMILES: [NH4+].[O-]P(=O)([O-])OP(=O)([O-])[O-].[Mn+3]. Alfa Chemistry Analytical Products
MAP Kinase, N-terminal histidine-tagged non-activated protein from rat MAP Kinase, N-terminal histidine-tagged non-activated protein from rat. Uses: For analytical and research use. CAS No. 137632-08-7. Catalog: AP137632087. Alfa Chemistry Analytical Products
Maprotiline Related Compound D Maprotiline Related Compound D. Uses: For analytical and research use. CAS No. 38849-14-8. Mole weight: 311.85. Catalog: AP38849148. Alfa Chemistry Analytical Products
MBP (85-99) peptide antagonist trifluoroacetate salt MBP (85-99) peptide antagonist trifluoroacetate salt. Uses: For analytical and research use. CAS No. 444305-16-2 (free base). Mole weight: 1543.76 (free base basis). Catalog: ALP444305162. Alfa Chemistry Analytical Products
Measartan potassium Impurity 28 Measartan potassium Impurity 28. Uses: For analytical and research use. Alternative Names: (2'-cyano-[1,1'-biphenyl]-4-yl)methyl 1-((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate. Molecular formula: C38H28N4O3. Mole weight: 588.65. Catalog: APB02640. Alfa Chemistry Analytical Products
Measartan potassium Impurity 29 Measartan potassium Impurity 29. Uses: For analytical and research use. Alternative Names: (Z)-ethyl 3-((2'-(N'-hydroxycarbamimidoyl)-[1,1'-biphenyl]-4-yl)methyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylate. Molecular formula: C24H22N4O4. Mole weight: 430.46. Catalog: APB02638. Alfa Chemistry Analytical Products
Measartan potassium Impurity 30 Measartan potassium Impurity 30. Uses: For analytical and research use. Alternative Names: 4'-((2-ethoxy-7-(ethoxycarbonyl)-1H-benzo[d]imidazol-1-yl)methyl)-[1,1'-biphenyl]-2-carboxylic acid. Molecular formula: C26H24N2O5. Mole weight: 444.48. Catalog: APB02639. Alfa Chemistry Analytical Products
Measartan potassium Impurity 31 Measartan potassium Impurity 31. Uses: For analytical and research use. Alternative Names: ethyl 1-((2'-(1H-diazirin-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate. Molecular formula: C26H24N4O3. Mole weight: 440.49. Catalog: APB02636. Alfa Chemistry Analytical Products
Measartan potassium Impurity 37 Measartan potassium Impurity 37. Uses: For analytical and research use. Alternative Names: (E)-2-ethoxy-1-((2'-(N'-hydroxycarbamimidoyl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylic acid. Molecular formula: C24H22N4O4. Mole weight: 430.46. Catalog: APB02634. Alfa Chemistry Analytical Products
Measartan potassium Impurity 38 Measartan potassium Impurity 38. Uses: For analytical and research use. Alternative Names: (E)-propyl 2-ethoxy-1-((2'-(N'-hydroxycarbamimidoyl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate. Molecular formula: C27H28N4O4. Mole weight: 472.54. Catalog: APB02633. Alfa Chemistry Analytical Products
Measartan potassium Impurity 39 Measartan potassium Impurity 39. Uses: For analytical and research use. Alternative Names: propyl 2-ethoxy-1-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate. Molecular formula: C28H26N4O5. Mole weight: 498.53. Catalog: APB02632. Alfa Chemistry Analytical Products
Mebendazole-d3 Mebendazole-d3. Uses: For analytical and research use. CAS No. 1173021-87-8. Mole weight: 298.31. Catalog: AP1173021878. Alfa Chemistry Analytical Products
Mebendazole Related Compound D Mebendazole Related Compound D. Uses: For analytical and research use. CAS No. 132119-11-0. Mole weight: 309.32. Catalog: AP132119110. Alfa Chemistry Analytical Products
Meclizine Related Compound A Meclizine Related Compound A. Uses: For analytical and research use. CAS No. 119-56-2. Mole weight: 218.68. Catalog: AP119562. Alfa Chemistry Analytical Products
Medroxyprogesterone acetate Related Compound B Medroxyprogesterone acetate Related Compound B. Uses: For analytical and research use. CAS No. 520-85-4. Mole weight: 344.49. Catalog: AP520854-B. Alfa Chemistry Analytical Products
Mefatinib Impurity 1 Mefatinib Impurity 1. Uses: For analytical and research use. Alternative Names: (E)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-4-(dimethylamino)but-2-enamide. Molecular formula: C21H21ClFN5O2. Mole weight: 429.14. Catalog: APB05744. Alfa Chemistry Analytical Products
Mefloquine Related Compound A Mefloquine Related Compound A. Uses: For analytical and research use. CAS No. 51744-85-5. Mole weight: 414.77. Catalog: AP51744855. Alfa Chemistry Analytical Products
Megesterol Acetate Related Compound H Megesterol Acetate Related Compound H. Uses: For analytical and research use. CAS No. 907193-65-1. Catalog: AP907193651. Alfa Chemistry Analytical Products
Megestrol Acetate Related Compound D Megestrol Acetate Related Compound D. Uses: For analytical and research use. CAS No. 32634-95-0. Catalog: AP32634950. Alfa Chemistry Analytical Products
Melatonin - CAS 73-31-4 Melatonin - CAS 73-31-4. Uses: For analytical and research use. CAS No. 73-31-4. Mole weight: 232.28. Catalog: AP73314-A. Alfa Chemistry Analytical Products
Melatonin Related Compound A Melatonin Related Compound A. Uses: For analytical and research use. CAS No. 608-07-1. Mole weight: 190.24. Catalog: AP608071. Alfa Chemistry Analytical Products
Melatonin solution Melatonin solution. Uses: For analytical and research use. CAS No. 73-31-4. Mole weight: 232.28. EC Number: 200-659-6. Catalog: AP73314-B. Alfa Chemistry Analytical Products
Melengestrol Acetate Related Compound A hydrochloride Melengestrol Acetate Related Compound A hydrochloride. Uses: For analytical and research use. CAS No. 6815-51-6. Mole weight: 384.51. Catalog: AP6815516. Alfa Chemistry Analytical Products
Meloxicam Related Compound A Meloxicam Related Compound A. Uses: For analytical and research use. CAS No. 24683-26-9. Mole weight: 283.30. Catalog: AP24683269. Alfa Chemistry Analytical Products
Meloxicam Related Compound B Meloxicam Related Compound B. Uses: For analytical and research use. CAS No. 7305-71-7. Mole weight: 114.17. Catalog: AP7305717. Alfa Chemistry Analytical Products
Meloxicam Related Compound C Meloxicam Related Compound C. Uses: For analytical and research use. CAS No. 118854-48-1. Mole weight: 297.33. Catalog: AP118854481. Alfa Chemistry Analytical Products
Memantine Related Compound A Memantine Related Compound A. Uses: For analytical and research use. CAS No. 702-79-4. Mole weight: 164.29. Catalog: AP702794. Alfa Chemistry Analytical Products
Memantine Related Compound B Memantine Related Compound B. Uses: For analytical and research use. CAS No. 707-37-9. Mole weight: 180.29. Catalog: AP707379. Alfa Chemistry Analytical Products
Memantine Related Compound C Memantine Related Compound C. Uses: For analytical and research use. CAS No. 707-36-8. Mole weight: 198.73. Catalog: AP707368. Alfa Chemistry Analytical Products
Memantine Related Compound D Memantine Related Compound D. Uses: For analytical and research use. CAS No. 941-37-7. Mole weight: 243.18. Catalog: AP941377. Alfa Chemistry Analytical Products
Memantine Related Compound E Memantine Related Compound E. Uses: For analytical and research use. CAS No. 351329-88-9. Mole weight: 207.31. Catalog: AP351329889. Alfa Chemistry Analytical Products
Mephetyl tetrazole Mephetyl tetrazole. Uses: For analytical and research use. CAS No. 916923-10-9. Mole weight: 334.41. Catalog: AP916923109. Alfa Chemistry Analytical Products
Meropenem Impurity 5 Meropenem Impurity 5. Uses: For analytical and research use. Alternative Names: (4R,5S,6S)-3-(((3R,5S)-5-(dimethylcarbamoyl)pyrrolidin-3-yl)thio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid. Molecular formula: C17H25N3O5S. Mole weight: 383.46. Catalog: APB01518. Alfa Chemistry Analytical Products

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