Alfa Chemistry Analytical Products - Products
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.
| Product | Description | |
|---|---|---|
| Reactive Red 106 | Reactive Red 106. Uses: For warm exhaust and pad dying with excellent wet fastness. Group: Dyes (technical grade). Alternative Names: Diamira Brilliant Red GG; Remazol Brilliant Red GG. CAS No. 105635-66-3. Catalog: AP105635663. |  |
| Rebamipide hydrate | ≥98% (HPLC), powder. Uses: For analytical and research use. Group: Fluorescence/luminescence spectroscopy. CAS No. 90098-04-7 (anhydrous). Pack Sizes: 5MG, 25MG. Mole Weight: 370.79 (anhydrous basis). Catalog: ALP90098047. Assay: ≥98% (HPLC). | |
| Rebamipide Impurity 1 | Rebamipide Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 100342-53-8. Molecular Formula: C18H15ClN2O2. Mole Weight: 326.78. Catalog: APB100342538. | |
| Rebeprazole Impurity 26 | Rebeprazole Impurity 26. Uses: For analytical and research use. Group: Impurity standards. CAS No. 171440-18-9. Molecular Formula: C18H22N3NaO3S. Mole Weight: 381.43. Catalog: APB171440189. | |
| Refametinib Impurity 4 | Refametinib Impurity 4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1262760-10-0. Molecular Formula: C22H24F3IN2O5S. Mole Weight: 612.4. Catalog: APB1262760100. | |
| Refametinib Impurity 5 | Refametinib Impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1262760-18-8. Molecular Formula: C22H24F3IN2O5S. Mole Weight: 612.4. Catalog: APB1262760188. | |
| Refametinib Impurity 7 | Refametinib Impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1415582-04-5. Molecular Formula: C20H18F3IN2O5S. Mole Weight: 582.33. Catalog: APB1415582045. | |
| Regadenoson Impurity 1 | Regadenoson Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: methyl 1-(6-amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-2-yl)-1H-pyrazole-4-carboxylate. CAS No. 1423073-21-5. Molecular Formula: C15H17N7O6. Mole Weight: 391.34. Catalog: APB1423073215. | |
| Regadenoson Impurity 15 | Regadenoson Impurity 15. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ethyl 3,3-diethoxypropanoate. CAS No. 10601-80-6. Molecular Formula: C9H18O4. Mole Weight: 190.24. Catalog: APB10601806. | |
| Regadenoson Impurity 19 | Regadenoson Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3R,4S,5R)-2-(6-amino-2-hydrazinyl-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol. CAS No. 15763-11-8. Molecular Formula: C10H15N7O4. Mole Weight: 297.27. Catalog: APB15763118. | |
| Regadenoson Impurity 21 | Regadenoson Impurity 21. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(6-amino-9H-purin-2-yl)-N-methyl-1H-pyrazole-4-carboxamide. CAS No. 1702334-23-3. Molecular Formula: C10H10N8O. Mole Weight: 258.24. Catalog: APB1702334233. | |
| Regorafenib Impurity 15 | Regorafenib Impurity 15. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1343498-72-5. Molecular Formula: C20H13ClF4N4O3. Mole Weight: 468.79. Catalog: APB1343498725. | |
| Regorafenib Impurity 16 | Regorafenib Impurity 16. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1343498-71-4. Molecular Formula: C21H15ClF4N4O4. Mole Weight: 498.82. Catalog: APB1343498714. | |
| Regorafenib Impurity 27 | Regorafenib Impurity 27. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1333390-56-9. Molecular Formula: C14H9ClF4N2O2. Mole Weight: 348.68. Catalog: APB1333390569. | |
| Regorafenib Impurity 62 | Regorafenib Impurity 62. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1855006-12-0. Molecular Formula: C20H18FN5O3. Mole Weight: 395.39. Catalog: APB1855006120. | |
| Regorafenib Impurity 67 | Regorafenib Impurity 67. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1446410-29-2. Molecular Formula: C8H10ClN3O. Mole Weight: 199.64. Catalog: APB1446410292. | |
| Regorafenib N-Beta-D-Glucuronide Sodium Salt | Regorafenib N-Beta-D-Glucuronide Sodium Salt. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,3S,4S,5R,6R)-6-(1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(2-fluoro-4-((2-(methylcarbamoyl)pyridin-4-yl)oxy)phenyl)ureido)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic Acid Sodium Salt. IUPAC Name: sodium;(2S,3S,4S,5R,6R)-6-[4-chloro-N-[[2-fluoro-4-[[2-(methylcarbamoyl)-4-pyridyl]oxy]phenyl]carbamoyl]-3-(trifluoromethyl)anilino]-3,4,5-trihydroxy-tetrahydropyran-2-carboxylate. Molecular Formula: C27H22ClF4N4O9.Na. Mole Weight: 680.92. Catalog: APS002935. SMILES: [Na+]. CNC (=O)c1cc (Oc2ccc (NC (=O)N ([C@@H]3O[C@@H] ([C@@H] (O)[C@H] (O)[C@H]3O)C (=O)[O-])c4ccc (Cl)c (c4)C (F) (F)F)c (F)c2)ccn1. Format: Neat. | |
| rel-(1R,3S,5S)-8-Methyl-8-azabicyclo[3,2,1]oct-6-en-yl-2-hydroxy-2,2-dithiophen-2-yl acetate | rel-(1R,3S,5S)-8-Methyl-8-azabicyclo[3,2,1]oct-6-en-yl-2-hydroxy-2,2-dithiophen-2-yl acetate. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-, (3-endo)-8-methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl ester, Tiotropium Bromide Monohydrate Imp D (EP), Di(2-thienyl)glycolic acid tropenol ester,2-Thiopheneacetic acid, α-hydroxy-α-2-thienyl-, 8-methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl ester, endo-. CAS No. 136310-66-2. IUPAC Name: [(1S,5R)-8-methyl-8-azabicyclo[3.2.1]oct-6-en-3-yl] 2-hydroxy-2,2-dithiophen-2-ylacetate. Molecular Formula: C18H19NO3S2. Mole Weight: 361.48. Catalog: APS136310662. SMILES: CN1[C@@H]2C[C@H] (C[C@H]1C=C2)OC (=O)C (O) (c3cccs3)c4cccs4. Format: Neat. | |
| rel-(1r,4r)-4-cyclobutylcyclohexane-1-carboxylic acid, trans | rel-(1r,4r)-4-cyclobutylcyclohexane-1-carboxylic acid, trans. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1955474-80-2. Molecular Formula: C11H18O2. Mole Weight: 182.26. Catalog: APB1955474802. | |
| Relomycin | Relomycin. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1404-48-4. Molecular Formula: C46H79NO17. Mole Weight: 918.13. Catalog: APB1404484. | |
| Relugolix Impurity 23 | Relugolix Impurity 23. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1589503-93-4. Molecular Formula: C27H24F2N6O3S. Mole Weight: 550.58. Catalog: APB1589503934. | |
| Relugolix Intermediate 4 | Relugolix Intermediate 4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1589503-97-8. Molecular Formula: C26H27F2N3O6S. Mole Weight: 547.57. Catalog: APB1589503978. | |
| Relugolix Intermediate 5 | Relugolix Intermediate 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1589503-95-6. Molecular Formula: C24H23F2N3O6S. Mole Weight: 519.52. Catalog: APB1589503956. | |
| Relugolix Intermediate 6 | Relugolix Intermediate 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 174072-89-0. Molecular Formula: C14H14N2O4S. Mole Weight: 306.34. Catalog: APB174072890. | |
| Relugolix Intermediate 7 | Relugolix Intermediate 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1589503-94-5. Molecular Formula: C29H28F2N6O6S. Mole Weight: 626.64. Catalog: APB1589503945. | |
| Relugolix Intermediate 8 | Relugolix Intermediate 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1589503-96-7. Molecular Formula: C27H22F2N6O5S. Mole Weight: 580.56. Catalog: APB1589503967. | |
| Relugolix Intermediate 9 | Relugolix Intermediate 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1589503-87-6. Molecular Formula: C27H24F2N6O3S. Mole Weight: 550.58. Catalog: APB1589503876. | |
| Remifentanil hydrochloride EP impurity B | Remifentanil hydrochloride EP impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1332691-33-4. Molecular Formula: C19H26N2O5. Mole Weight: 362.43. Catalog: APB1332691334. | |
| Remifentanil hydrochloride EP impurity I | Remifentanil hydrochloride EP impurity I. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1096-03-3. Molecular Formula: C19H23N3O. Mole Weight: 309.41. Catalog: APB1096033. | |
| Remifentanil Impurity1 | Remifentanil Impurity1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 113231-29-1. Molecular Formula: C12H18N2O. Mole Weight: 206.29. Catalog: APB113231291. | |
| rengyoside A | rengyoside A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 101489-32-1. Molecular Formula: C14H26O8. Mole Weight: 322.35. Catalog: APB101489321. | |
| Resmetirom Impurity 3 | Resmetirom Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1581304-50-8. Molecular Formula: C20H15Cl2N3O3. Mole Weight: 416.26. Catalog: APB1581304508. | |
| Retinol | Fluorescence/Luminescence Spectroscopy. Uses: For analytical and research use. Group: Reagents. CAS No. 68-26-8. Pack Sizes: 250MG, 1G. | |
| Retinol impurity 7 | Retinol impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1331640-07-3. Molecular Formula: C20H28O3. Mole Weight: 316.44. Catalog: APB1331640073. | |
| Rezafungin | Rezafungin. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1396640-59-7. Molecular Formula: C63H85N8O17+. Mole Weight: 1226.41. Catalog: APB1396640597. | |
| Rezafungin Impurity 1 | Rezafungin Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1396639-48-7. Molecular Formula: C63H85N8O17+. Mole Weight: 1226.41. Catalog: APB1396639487. | |
| Rezafungin Impurity 2 | Rezafungin Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1396640-55-3. Molecular Formula: C63H85N8O17+. Mole Weight: 1226.41. Catalog: APB1396640553. | |
| Rezafungin Impurity 9 | Rezafungin Impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1672717-33-7. Molecular Formula: C63H86N9O17+. Mole Weight: 1241.43. Catalog: APB1672717337. | |
| Rhodamine B Base | Rhodamine B Base. Uses: For analytical and research use. Group: Dyes (high purity). Alternative Names: Solvent Red 49. CAS No. 509-34-2. Molecular Formula: C28H30N2O3. Mole Weight: 442.55. Catalog: AP509342. Purity: 95%. Appearance: Pink or red powder or crystals. Storage: 20 °C. | |
| (R)-Hydroxy Des(boric Acid) Bortezomib | (R)-Hydroxy Des(boric Acid) Bortezomib. Uses: For analytical and research use. Group: Impurity standards. CAS No. 289472-78-2. Pack Sizes: 2.5MG. IUPAC Name: N-[(2S)-1-[[(1R)-1-hydroxy-3-methylbutyl]amino]-1-oxo-3-phenylpropan-2-yl]pyrazine-2-carboxamide. Molecular Formula: C19H24N4O3. Mole Weight: 356.42. Catalog: APS289472782. SMILES: CC (C)C[C@@H] (O)NC (=O)[C@H] (Cc1ccccc1)NC (=O)c2cnccn2. Format: Neat. Shipping: Room Temperature. | |
| Riboflavin-13C,15N2 | Riboflavin-13C,15N2. Uses: For analytical and research use. Group: Chiral molecules. Catalog: APS002962. Format: Neat. | |
| Riboflavin (VB2) EP Impurity A (Riboflavin Sodium Phosphate EP Impurity E) | Riboflavin (VB2) EP Impurity A (Riboflavin Sodium Phosphate EP Impurity E). Uses: For analytical and research use. Group: Impurity standards. CAS No. 1088-56-8. Molecular Formula: C13H12N4O2. Mole Weight: 256.27. Catalog: APB1088568. | |
| Riboflavin (VB2) EP Impurity B | Riboflavin (VB2) EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1086-80-2. Molecular Formula: C12H10N4O2. Mole Weight: 242.24. Catalog: APB1086802. | |
| Rifabutin EP Impurity E | Rifabutin EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 100324-63-8. Molecular Formula: C44H60N4O10. Mole Weight: 804.98. Catalog: APB100324638. | |
| Rifabutin Impurity 3 | Rifabutin Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1242076-43-2. Molecular Formula: C46H62N4O11. Mole Weight: 847.02. Catalog: APB1242076432. | |
| Rifampicin EP Impurity A | Rifampicin EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13983-13-6. Molecular Formula: C43H56N4O12. Mole Weight: 820.94. Catalog: APB13983136. | |
| Rifampicin EP Impurity B | Rifampicin EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 125833-03-6. Molecular Formula: C43H58N4O13. Mole Weight: 838.94. Catalog: APB125833036. | |
| Rifampicin impurities3 | Rifampicin impurities3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 16783-99-6. Molecular Formula: C41H56N4O11. Mole Weight: 780.92. Catalog: APB16783996. | |
| Rifampicin impurities4 | Rifampicin impurities4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1416773-23-3. Molecular Formula: C43H58N4O12. Mole Weight: 822.95. Catalog: APB1416773233. | |
| Rifampicin impurity 14 | Rifampicin impurity 14. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1416773-22-2. Molecular Formula: C43H58N4O12. Mole Weight: 822.95. Catalog: APB1416773222. | |
| Rifampicin impurity 17 | Rifampicin impurity 17. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13292-53-0. Molecular Formula: C44H52N4O13. Mole Weight: 844.92. Catalog: APB13292530. | |
| Rifamycin Impurity 25 | Rifamycin Impurity 25. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13292-22-3. Molecular Formula: C38H47NO13. Mole Weight: 725.79. Catalog: APB13292223. | |
| Rifamycin Y | Rifamycin Y. Uses: For analytical and research use. Group: Impurity standards. CAS No. 15271-73-5. Molecular Formula: C39H47NO15. Mole Weight: 769.8. Catalog: APB15271735. | |
| Rifaximin EP Impurity B (Rifamycin EP Impurity A) | Rifaximin EP Impurity B (Rifamycin EP Impurity A). Uses: For analytical and research use. Group: Impurity standards. CAS No. 13929-35-6. Molecular Formula: C39H49NO14. Mole Weight: 755.81. Catalog: APB13929356. | |
| Rifaximin EP Impurity E (Rifamycin EP Impurity B) | Rifaximin EP Impurity E (Rifamycin EP Impurity B). Uses: For analytical and research use. Group: Impurity standards. CAS No. 13553-79-2. Molecular Formula: C37H45NO12. Mole Weight: 695.76. Catalog: APB13553792. | |
| Rifaximin Impurity 3 | Rifaximin Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1262992-43-7. Molecular Formula: C43H45D6N3O11. Mole Weight: 791.93. Catalog: APB1262992437. | |
| Rilmenidine Dihydrogen Phosphate | Rilmenidine Dihydrogen Phosphate. Uses: For analytical and research use. Group: Api standards; pharmaceutical toxicology. Alternative Names: S 3341-3, N-(Dicyclopropylmethyl)-4,5-dihydro-oxazol-2-amine dihydrogen phosphate (1:1), Rilmenidine for system suitability,Rilmenidine dihydrogen phosphate. CAS No. 85409-38-7. IUPAC Name: N-(dicyclopropylmethyl)-4,5-dihydro-1,3-oxazol-2-amine;phosphoric acid. Molecular Formula: C10H16N2O.H3O4P. Mole Weight: 278.24. Catalog: APS85409387. SMILES: OP(=O)(O)O.C1CN=C(NC(C2CC2)C3CC3)O1. Format: Neat. Shipping: Room Temperature. | |
| Rilpivirine Impurity 1 | Rilpivirine Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1446439-51-5. Molecular Formula: C22H20N6O. Mole Weight: 384.44. Catalog: APB1446439515. | |
| Riluzole impurity 1 | Riluzole impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 144631-82-3. Molecular Formula: C8H4BrF3N2OS. Mole Weight: 313.09. Catalog: APB144631823. | |
| Riluzole impurity 12 | Riluzole impurity 12. Uses: For analytical and research use. Group: Impurity standards. CAS No. 179070-90-7. Molecular Formula: C8H5F3N2O2S. Mole Weight: 250.2. Catalog: APB179070907. | |
| Rimegepam | Rimegepam. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1289023-67-1. Molecular Formula: C28H28F2N6O3. Mole Weight: 534.57. Catalog: APB1289023671. | |
| Rimegepant Impurity 12 | Rimegepant Impurity 12. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1397526-07-6. Molecular Formula: C25H33F2NO2Si. Mole Weight: 445.63. Catalog: APB1397526076. | |
| Rimegepant Impurity 3 | Rimegepant Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1289024-11-8. Molecular Formula: C19H31NO2Si. Mole Weight: 333.55. Catalog: APB1289024118. | |
| Rimegepant Impurity 7 | Rimegepant Impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1397526-04-3. Molecular Formula: C10H13NO2. Mole Weight: 179.22. Catalog: APB1397526043. | |
| Rimegepant Impurity 9 | Rimegepant Impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1397526-01-0. Molecular Formula: C10H11NO2. Mole Weight: 177.2. Catalog: APB1397526010. | |
| Riociguat Impurity 11 | Riociguat Impurity 11. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1361569-18-7. Molecular Formula: C19H15FN8O. Mole Weight: 390.38. Catalog: APB1361569187. | |
| Riociguat Impurity 12 | Riociguat Impurity 12. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1361569-23-4. Molecular Formula: C20H17FN8O. Mole Weight: 404.41. Catalog: APB1361569234. | |
| Riociguat Impurity 13 | Riociguat Impurity 13. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1361569-10-9. Molecular Formula: C18H13FN8O. Mole Weight: 376.36. Catalog: APB1361569109. | |
| Riociguat Impurity 7 | Riociguat Impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1702271-98-4. Molecular Formula: C18H17FN8. Mole Weight: 364.39. Catalog: APB1702271984. | |
| Risedronate EP Impurity B | Risedronate EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 105462-23-5. Molecular Formula: C7H11NO7P2. Mole Weight: 283.11. Catalog: APB105462235. | |
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