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| Product | Description | |
|---|---|---|
| Tryptophan EP Impurity A (Tadalafil Impurity 50) | Tryptophan EP Impurity A (Tadalafil Impurity 50). Uses: For analytical and research use. Group: Impurity standards. CAS No. 132685-02-0. Molecular Formula: C24H26N4O4. Mole Weight: 434.5. Catalog: APB132685020. |  |
| Tryptophan EP Impurity B | Tryptophan EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 184955-21-3. Molecular Formula: C11H12N2O4. Mole Weight: 236.23. Catalog: APB184955213. | |
| Tryptophan EP Impurity C | Tryptophan EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2922-83-0. Molecular Formula: C10H12N2O3. Mole Weight: 208.22. Catalog: APB2922830. | |
| Tryptophan EP Impurity D | Tryptophan EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 4350-9-8. Molecular Formula: C11H12N2O3. Mole Weight: 220.23. Catalog: APB4350098. | |
| Tryptophan EP Impurity E | Tryptophan EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 3978-11-8. Molecular Formula: C11H12N2O4. Mole Weight: 236.23. Catalog: APB3978118. | |
| Tryptophan EP Impurity F | Tryptophan EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 145545-23-9. Molecular Formula: C9H12N2O2. Mole Weight: 180.21. Catalog: APB145545239. | |
| Tryptophan EP Impurity G | Tryptophan EP Impurity G. Uses: For analytical and research use. Group: Impurity standards. CAS No. 21704-80-3. Molecular Formula: C11H12N2O3. Mole Weight: 220.23. Catalog: APB21704803. | |
| Tryptophan EP Impurity H | Tryptophan EP Impurity H. Uses: For analytical and research use. Group: Impurity standards. CAS No. 6052-68-2. Molecular Formula: C12H12N2O2. Mole Weight: 216.24. Catalog: APB6052682. | |
| Tryptophan EP Impurity I | Tryptophan EP Impurity I. Uses: For analytical and research use. Group: Impurity standards. CAS No. 5470-37-1. Molecular Formula: C13H14N2O2. Mole Weight: 230.27. Catalog: APB5470371. | |
| Tryptophan EP Impurity J | Tryptophan EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. CAS No. 164068-19-3. Molecular Formula: C22H23N3O4. Mole Weight: 393.44. Catalog: APB164068193. | |
| Tryptophan EP Impurity K | Tryptophan EP Impurity K. Uses: For analytical and research use. Group: Impurity standards. CAS No. 149724-31-2. Molecular Formula: C20H19N3O2. Mole Weight: 333.39. Catalog: APB149724312. | |
| Tryptophan EP Impurity L | Tryptophan EP Impurity L. Uses: For analytical and research use. Group: Impurity standards. CAS No. 287170-99-4. Molecular Formula: C21H19N3O2. Mole Weight: 345.4. Catalog: APB287170994. | |
| D-Trp-Leuprolide | D-Trp-Leuprolide is an impurity of Leuprolide, which is a synthetic nonapeptide analog of gonadotropin-releasing hormone used as an antineoplastic agent, a gonadotropin-releasing hormone agonist, and an anti-estrogen. Synonyms: 5-Oxo-L-prolyl-L-histidyl-D-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-L-prolinamide; Pyr-His-D-Trp-Ser-Tyr-D-Leu-Leu-Arg-Pro-NHEt; (S)-N-ethyl-1-(((S)-5-oxopyrrolidine-2-carbonyl)-L-histidyl-D-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl)pyrrolidine-2-carboxamide; L-Prolinamide, 5-oxo-L-prolyl-L-histidyl-D-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-; 1-9-Luteinizing hormone-releasing factor (swine), 3-D-tryptophan-6-D-leucine-9-(N-ethyl-L-prolinamide)-; Leuprorelin EP Impurity E. Grades: ≥95%. CAS No. 1926163-23-6. Molecular formula: C59H84N16O12. Mole weight: 1209.42. |  |
| Leuprolide Acetate EP Impurity E | Leuprolide Acetate EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Leuprolide Acetate EP Impurity E, 1-9-Luteinizing hormone-releasing factor (swine), 3-D-tryptophan-6-D-leucine-9-(N-ethyl-L-prolinamide)-,L-Prolinamide, 5-oxo-L-prolyl-L-histidyl-D-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L-arginyl-N-ethyl-. CAS No. 1926163-23-6. IUPAC Name: (2S)-N-[(2S)-1-[[(2R)-1-[[(2S)-1-[[(2S)-1-[[(2R)-1-[[(2S)-1-[[(2S)-5-carbamimidamido-1-[(2S)-2-(ethylcarbamoyl)pyrrolidin-1-yl]-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-3-(1H-imidazol-4-yl)-1-oxopropan-2-yl]-5-oxopyrrolidine-2-carboxamide. Molecular Formula: C59H84N16O12. Mole Weight: 1209.40. Catalog: APS1926163236. SMILES: CCNC (=O)[C@@H]1CCCN1C (=O)[C@H] (CCCNC (=N)N)NC (=O)[C@H] (CC (C)C)NC (=O)[C@@H] (CC (C)C)NC (=O)[C@H] (Cc2ccc (O)cc2)NC (=O)[C@H] (CO)NC (=O)[C@@H] (Cc3c[nH]c4ccccc34)NC (=O)[C@H] (Cc5c[nH]cn5)NC (=O)[C@@H]6CCC (=O)N6. Format: Neat. | |
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