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Levocarnitine Impurity 14 Levocarnitine Impurity 14. Uses: For analytical and research use. Group: Impurity standards. CAS No. 10485-23-1. Molecular formula: C9H18ClNO3. Mole weight: 223.7. Catalog: APB10485231. Alfa Chemistry Analytical Products 4
Levocarnitine Impurity 17 Levocarnitine Impurity 17. Uses: For analytical and research use. Group: Impurity standards. CAS No. 10457-99-5. Molecular formula: C7H13NO3. Mole weight: 159.19. Catalog: APB10457995. Alfa Chemistry Analytical Products 4
Levocarnitine Impurity 8 Levocarnitine Impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 101396-91-2. Molecular formula: C6H15Cl2NO. Mole weight: 188.1. Catalog: APB101396912. Alfa Chemistry Analytical Products 4
Levocarnitine Impurity B Levocarnitine Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1R,3S)-1,2,2-trimethylcyclopentane-1,3-dicarboxylic acid. CAS No. 124-83-4. Molecular formula: C10H16O4. Mole weight: 200.23. Catalog: APB124834. Alfa Chemistry Analytical Products 4
Levodopa United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardsapi standardsbritish pharmacopoeiaeuropean pharmacopoeia (ph. eur.)pharmaceutical toxicologypharmacopoeial standards. Alternative Names: Levodopa. Alfa Chemistry Analytical Products 4
Levodropropizine Levodropropizine. Uses: For analytical and research use. Group: Api standards; european pharmacopoeia (ph. eur.); pharmaceutical toxicology; pharmacopoeial standards. Alternative Names: (2S)-3-(4-Phenylpiperazin-1-yl)propane-1,2-diol,Levodropropizine. CAS No. 99291-25-5. IUPAC Name: (2S)-3-(4-phenylpiperazin-1-yl)propane-1,2-diol. Molecular formula: C13H20N2O2. Mole weight: 236.31. Catalog: APS99291255. SMILES: OC[C@@H](O)CN1CCN(CC1)c2ccccc2. Format: Neat. Alfa Chemistry Analytical Products 4
Levofloxacin EP Impurity A Levofloxacin EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 100986-86-5. Molecular formula: C18H20FN3O4. Mole weight: 361.37. Catalog: APB100986865. Alfa Chemistry Analytical Products 4
Levofloxacin EP Impurity F Levofloxacin EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 100986-89-8. Molecular formula: C13H9F2NO4. Mole weight: 281.22. Catalog: APB100986898. Alfa Chemistry Analytical Products 4
Levofloxacin EP Impurity G Levofloxacin EP Impurity G. Uses: For analytical and research use. Group: Impurity standards. CAS No. 151250-76-9. Molecular formula: C16H18FN3O4. Mole weight: 335.34. Catalog: APB151250769. Alfa Chemistry Analytical Products 4
Levofloxacin hemihydrate Pharmaceutical Secondary Standard; Certified Reference Material. Group: Pharmacopeia & metrological institutes standardseuropean pharmacopoeia (ph. eur.)pharmacopoeial standards. Alternative Names: Levofloxacin hemihydrate,Levofloxacin. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity 11 Levofloxacin Impurity 11. Uses: For analytical and research use. Group: Impurity standards. CAS No. 106939-42-8. Molecular formula: C9H9F2NO. Mole weight: 185.17. Catalog: APB106939428. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity 30 Levofloxacin Impurity 30. Uses: For analytical and research use. Group: Impurity standards. CAS No. 151377-74-1. Molecular formula: C18H18FN3O6. Mole weight: 391.36. Catalog: APB151377741. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity 32 Levofloxacin Impurity 32. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1026952-91-9. Molecular formula: C13H11F2NO4. Mole weight: 283.23. Catalog: APB1026952919. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity M Levofloxacin Impurity M. Uses: For analytical and research use. Group: Impurity standards. CAS No. 106939-34-8. Molecular formula: C15H13F2NO4. Mole weight: 309.27. Catalog: APB106939348. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity N Levofloxacin Impurity N. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1329833-82-0. Molecular formula: C23H31N5O4. Mole weight: 441.53. Catalog: APB1329833820. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity R Levofloxacin Impurity R. Uses: For analytical and research use. Group: Impurity standards. CAS No. 106939-30-4. Molecular formula: C19H22FN3O4. Mole weight: 375.4. Catalog: APB106939304. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity T Levofloxacin Impurity T. Uses: For analytical and research use. Group: Impurity standards. CAS No. 108860-30-6. Molecular formula: C16H19F3N2O3. Mole weight: 344.33. Catalog: APB108860306. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity U Levofloxacin Impurity U. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1036016-10-0. Molecular formula: C18H21F2N3O4. Mole weight: 381.37. Catalog: APB1036016100. Alfa Chemistry Analytical Products 4
Levofloxacin Impurity Y Levofloxacin Impurity Y. Uses: For analytical and research use. Group: Impurity standards. CAS No. 103995-33-1. Molecular formula: C14H12F4O4. Mole weight: 320.24. Catalog: APB103995331. Alfa Chemistry Analytical Products 4
Levofolinate EP Impurity D Levofolinate EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 134-05-4. Molecular formula: C20H19N7O7. Mole weight: 469.41. Catalog: APB134054. Alfa Chemistry Analytical Products 4
Levonorgestrel EP Impurity C Levonorgestrel EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1337972-89-0. Molecular formula: C23H28O. Mole weight: 320.48. Catalog: APB1337972890. Alfa Chemistry Analytical Products 4
Levonorgestrel EP Impurity P Levonorgestrel EP Impurity P. Uses: For analytical and research use. Group: Impurity standards. CAS No. 100021-05-4. Molecular formula: C21H28O2. Mole weight: 312.45. Catalog: APB100021054. Alfa Chemistry Analytical Products 4
Levonorgestrel EP Impurity Q Levonorgestrel EP Impurity Q. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1038-28-4. Molecular formula: C20H30O2. Mole weight: 302.46. Catalog: APB1038284. Alfa Chemistry Analytical Products 4
Levonorgestrel EP Impurity V Levonorgestrel EP Impurity V. Uses: For analytical and research use. Group: Impurity standards. CAS No. 14009-70-2. Molecular formula: C22H28O2. Mole weight: 324.46. Catalog: APB14009702. Alfa Chemistry Analytical Products 4
Levosimendan Impurity 11 Levosimendan Impurity 11. Uses: For analytical and research use. Group: Impurity standards. CAS No. 101328-85-2. Molecular formula: C11H13N3O. Mole weight: 203.25. Catalog: APB101328852. Alfa Chemistry Analytical Products 4
Levosimendan Impurity 13 Levosimendan Impurity 13. Uses: For analytical and research use. Group: Impurity standards. CAS No. 103416-88-2. Molecular formula: C11H12N2O2. Mole weight: 204.23. Catalog: APB103416882. Alfa Chemistry Analytical Products 4
Levosimendan Impurity 5 Levosimendan Impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 141505-33-1. Molecular formula: C14H12N6O. Mole weight: 280.29. Catalog: APB141505331. Alfa Chemistry Analytical Products 4
Levosulpiride Levosulpiride. Uses: For analytical and research use. Group: Api standards; pharmaceutical toxicology. Alternative Names: (-)-Sulpiride, S-(-)-Sulpiride, o-Anisamide, N-[(1-ethyl-2-pyrrolidinyl)methyl]-5-sulfamoyl-, (-)- (8CI), Levobren, l-Sulpiride,5-(Aminosulfonyl)-N-[[(2S)-1-ethyl-2-pyrrolidinyl]methyl]-2-methoxybenzamide, sulpid, L-Sulpiride, S-Sulpiride, Lesuride, Levopraid, Levosulpiride, levopride, Benzamide, 5-(aminosulfonyl)-N-[(1-ethyl-2-pyrrolidinyl)methyl]-2-methoxy-, (S)-. CAS No. 23672-07-3. IUPAC Name: N-[[(2S)-1-ethylpyrrolidin-2-yl]methyl]-2-methoxy-5-sulfamoylbenzamide. Molecular formula: C15H23N3O4S. Mole weight: 341.43. Catalog: APS23672073A. SMILES: CCN1CCC[C@H]1CNC(=O)c2cc(ccc2OC)S(=O)(=O)N. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Levothyroxine EP Impurity E Levothyroxine EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1041-01-6. Molecular formula: C15H13I2NO4. Mole weight: 525.08. Catalog: APB1041016. Alfa Chemistry Analytical Products 4
Levothyroxine impurity 3 Levothyroxine impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 107849-54-7. Molecular formula: C15H11I4NO5. Mole weight: 792.87. Catalog: APB107849547. Alfa Chemistry Analytical Products 4
Levothyroxine sodium United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardseuropean pharmacopoeia (ph. eur.)pharmacopoeial standards. Alternative Names: Levothyroxine sodium, Sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate. Alfa Chemistry Analytical Products 4
L-Fucose United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardscarbohydrates. Alfa Chemistry Analytical Products 4
L-Glutamine certified reference material. Group: Flavor and fragrance standardsnutritional composition compoundsstandards for food regulatory methodsapi standardsbuilding blocksimpurity standardspharmaceutical toxicology. Alternative Names: NSC 27421, Aesgen 14, Glutamic acid 5-amide, Saforis, Acustasin, Cebrogen, 2-Aminoglutaramic acid, (S)-2,5-Diamino-5-oxopentanoic acid, Glumin (amino acid), Glutamic acid amide, Glutamine, L-(+)-Glutamine, L-2-Aminoglutaramidic acid, Levoglutamide, (2S)-2,5-Diamino-5-oxopentanoic Acid, Stimulina, Glumin, gamma-Glutamine,L-Glutamine, Aspartic Acid Imp. F (Pharmeuropa), L-Glutamic acid gamma-amide. Alfa Chemistry Analytical Products 4
L-Histidine United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardspharma & vet compounds & metabolitesmycotoxinspharma & vet compounds & metabolitesphytochemicalsbuilding blocks. Alternative Names: Histidine, (S)-2-Amino-3-(imidazol-4-yl)propanoic acid. Alfa Chemistry Analytical Products 4
L-Histidine hydrochloride solution 100 mM amino acid in 0.1 M HCl, analytical standard. Group: Amino acid, peptide & protein standards. Alfa Chemistry Analytical Products 4
Lidocaine EP Impurity E HCl Lidocaine EP Impurity E HCl. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1135231-62-7. Molecular formula: C20H26ClN3O2. Mole weight: 375.9. Catalog: APB1135231627. Alfa Chemistry Analytical Products 4
Lidocaine Impurity 17 Lidocaine Impurity 17. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-chloro-N-(2,6-dimethylphenyl)acetamide. CAS No. 1131-01-7. Molecular formula: C10H12ClNO. Mole weight: 197.66. Catalog: APB1131017. Alfa Chemistry Analytical Products 4
Lidocaine N-ethyl chloride Lidocaine N-ethyl chloride. Uses: For analytical and research use. Group: Fluorescence/luminescence spectroscopy. CAS No. 5369-3-9. Pack Sizes: 500MG, 1G. Mole weight: 298.85. Catalog: AP5369039. Alfa Chemistry Analytical Products 4
Lifitegrast Lifitegrast. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1025967-78-5. Molecular formula: C29H24Cl2N2O7S. Mole weight: 615.48. Catalog: APB1025967785. Alfa Chemistry Analytical Products 4
Lifitegrast Impurity 41 Lifitegrast Impurity 41. Uses: For analytical and research use. Group: Impurity standards. CAS No. 14046-52-7. Molecular formula: C9H11Cl4N. Mole weight: 274.99. Catalog: APB14046527. Alfa Chemistry Analytical Products 4
Lifitegrast Impurity 45 Lifitegrast Impurity 45. Uses: For analytical and research use. Group: Impurity standards. CAS No. 170097-67-3. Molecular formula: C15H19NO4. Mole weight: 277.32. Catalog: APB170097673. Alfa Chemistry Analytical Products 4
Lifitegrast Impurity 49 Lifitegrast Impurity 49. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1865726-28-8. Molecular formula: C17H19NO4S. Mole weight: 333.4. Catalog: APB1865726288. Alfa Chemistry Analytical Products 4
Lifitegrast Impurity 9 Lifitegrast Impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 166599-84-4. Molecular formula: C9H6O3. Mole weight: 162.14. Catalog: APB166599844. Alfa Chemistry Analytical Products 4
Light degradation impurities of rosuvastatin 1 Light degradation impurities of rosuvastatin 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1002350-06-2. Molecular formula: C22H28FN3O6S. Mole weight: 481.54. Catalog: APB1002350062. Alfa Chemistry Analytical Products 4
Light degradation impurities of rosuvastatin 2 Light degradation impurities of rosuvastatin 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1002350-09-5. Molecular formula: C22H28FN3O6S. Mole weight: 481.54. Catalog: APB1002350095. Alfa Chemistry Analytical Products 4
Limestone, dolomitic Limestone, dolomitic. Uses: For analytical and research use. Group: Process materials, geological, cement & soils. Catalog: APS009439. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Linagliptin Acetamide Linagliptin Acetamide. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-N-(1-(7-(But-2-ynyl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)acetamide,N-[(3R)-1-[7-(2-Butyn-1-yl)-2,3,6,7-tetrahydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-2,6-dioxo-1H-purin-8-yl]-3-piperidinyl]acetamide. CAS No. 1803079-49-3. Pack Sizes: 10MG. IUPAC Name: N-[(3R)-1-[7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]-2,6-dioxopurin-8-yl]piperidin-3-yl]acetamide. Molecular formula: C27H30N8O3. Mole weight: 514.58. Catalog: APS1803079493. SMILES: CC#CCn1c(nc2N(C)C(=O)N(Cc3nc(C)c4ccccc4n3)C(=O)c12)N5CCC[C@H](C5)NC(=O)C. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Linagliptin impurity 8 Linagliptin impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1398044-48-8. Molecular formula: C25H25D3N8O2. Mole weight: 475.57. Catalog: APB1398044488. Alfa Chemistry Analytical Products 4
Linagliptin Impurity F Linagliptin Impurity F. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)-2,2,2-trifluoroacetamide. CAS No. 1673546-62-7. Molecular formula: C27H27F3N8O3. Mole weight: 568.55. Catalog: APB1673546627. Alfa Chemistry Analytical Products 4
Lincomycin EP Impurity D Lincomycin EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 17017-22-0. Molecular formula: C18H34N2O6S. Mole weight: 406.54. Catalog: APB17017220. Alfa Chemistry Analytical Products 4
Lincomycin EP Impurity E Lincomycin EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13380-36-4. Molecular formula: C9H17NO2. Mole weight: 171.24. Catalog: APB13380364. Alfa Chemistry Analytical Products 4
Lindane-d6 Lindane-d6. Uses: For analytical and research use. Group: Enviromental toxicology. Alternative Names: (1?,2?,3?,4?,5?,6?)-1,2,3,4,5,6-Hexachlorocyclohexane-1,2,3,4,5,6-d6, Lindane-d6, Hexadeuterated lindane, gamma-HCH D6. CAS No. 60556-82-3. Pack Sizes: 10MG. IUPAC Name: 1,2,3,4,5,6-hexachloro-1,2,3,4,5,6-hexadeuteriocyclohexane. Molecular formula: C62H6Cl6. Mole weight: 296.87. Catalog: APS60556823B. SMILES: [2H][C@@]1(Cl)[C@@]([2H])(Cl)[C@@]([2H])(Cl)[C@]([2H])(Cl)[C@@]([2H])(Cl)[C@@]1([2H])Cl. Format: Neat. Alfa Chemistry Analytical Products 4
Linezolid Dimer Linezolid Dimer. Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 2.5MG. Catalog: APS009448. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Linezolid impurity 12 Linezolid impurity 12. Uses: For analytical and research use. Group: Impurity standards. CAS No. 168828-89-5. Molecular formula: C22H20FN3O5. Mole weight: 425.42. Catalog: APB168828895. Alfa Chemistry Analytical Products 4
Linezolid impurity 15 Linezolid impurity 15. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1666111-39-2. Molecular formula: C16H19N3O5. Mole weight: 333.34. Catalog: APB1666111392. Alfa Chemistry Analytical Products 4
Linezolid Impurity 19 Linezolid Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-5-(aminomethyl)-3-(3-fluoro-4-morpholinophenyl)oxazolidin-2-one. CAS No. 168828-90-8. Molecular formula: C14H18FN3O3. Mole weight: 295.31. Catalog: APB168828908. Alfa Chemistry Analytical Products 4
Linezolid impurity 2 Linezolid impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1127120-38-0. Molecular formula: C16H17D3FN3O4. Mole weight: 340.37. Catalog: APB1127120380. Alfa Chemistry Analytical Products 4
Linezolid impurity 24 Linezolid impurity 24. Uses: For analytical and research use. Group: Impurity standards. CAS No. 168828-82-8. Molecular formula: C14H17FN2O4. Mole weight: 296.3. Catalog: APB168828828. Alfa Chemistry Analytical Products 4
Linezolid impurity 32 Linezolid impurity 32. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1394245-06-7. Molecular formula: C16H22FN3O5. Mole weight: 355.37. Catalog: APB1394245067. Alfa Chemistry Analytical Products 4
Linezolid impurity 7 Linezolid impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 168828-81-7. Molecular formula: C18H19FN2O3. Mole weight: 330.36. Catalog: APB168828817. Alfa Chemistry Analytical Products 4
Linezolid USP Related Compound A Linezolid USP Related Compound A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 168828-84-0. Molecular formula: C14H16FN5O3. Mole weight: 321.31. Catalog: APB168828840. Alfa Chemistry Analytical Products 4
Linseed oil Linseed oil. Uses: For analytical and research use. Group: British pharmacopoeia; pharmacopoeial standards. Alternative Names: Linseed oil virgin, Linseed oil, bleached, Oils, glyceridic, flaxseed or linseed,Linseed oil, GP 1125, Toenol 1140, Hakujun'ama 6, Linola 2090, PU 104, Linoxin Oil H, Purolin, Flaxseed oil, Purolin 2, Leinöl, Hakujun'ama 7, Diggers, Fats and Glyceridic oils, flaxseed, Fats and Glyceridic oils, linseed, NuLin 50, Eruboiruyu, P 1037, Flax oil, Scan-Oil. CAS No. 8001-26-1. Catalog: APS8001261. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Linzagoli impurity 3 Linzagoli impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1033103-05-7. Molecular formula: C7H8FNO2. Mole weight: 157.14. Catalog: APB1033103057. Alfa Chemistry Analytical Products 4
Lipopolysaccharide from Porphyromonas gingivalis purified by phenol extraction. Group: Polysaccharide. Alfa Chemistry Analytical Products 4
Lipopolysaccharides from Escherichia coli O127:B8 Ready Made solution, 1 mg/mL, 0.2 ?m filtered. Group: Polysaccharide. Alfa Chemistry Analytical Products 4
Lipopolysaccharides from Escherichia coli O26:B6 Ready Made solution, 1 mg/mL, 0.2 ?m filtered. Group: Polysaccharide. Alfa Chemistry Analytical Products 4
Lipopolysaccharides from Escherichia coli O55:B5 Ready Made solution, 1 mg/mL, 0.2 ?m filtered. Group: Polysaccharide. Alfa Chemistry Analytical Products 4
Lipopolysaccharides from Klebsiella pneumoniae purified by phenol extraction. Group: Polysaccharide. Alfa Chemistry Analytical Products 4
Lipopolysaccharides from Proteus mirabilis purified by phenol extraction. Group: Polysaccharide. Alfa Chemistry Analytical Products 4
Lipopolysaccharides from Proteus vulgaris purified by phenol extraction. Group: Polysaccharide. Alfa Chemistry Analytical Products 4

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