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| Product | Description | |
|---|---|---|
| Colchicine EP Impurity A | Colchicine EP Impurity A is a Colchicine derivative. It is a new alkaloid from Gloriosa superba. Synonyms: N-Deacetyl-N-formyl Colchicine; Gloriosine; N-Formyldeacetylcolchicine; N-[(7S)-5,6,7,9-Tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-7-yl]formamide. Grade: > 95%. CAS No. 7411-12-3. Molecular formula: C21H23NO6. Mole weight: 385.41. |  |
| Colchicine EP Impurity B | Colchicine EP Impurity B is a Colchicine derivative. It is a new alkaloid from Gloriosa superba. Synonyms: Colchicine Conformational Isomer; N-[(7S,12aP)-1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide; (-)-N-[(7S,12aSa)-1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide. Molecular formula: C22H25NO6. Mole weight: 399.44. | |
| Colchicine EP Impurity C | This alkaloid has been isolated from a number of plants including Colchicum kesselringii, C. luteum Baker, and M. robusta Bge. Synonyms: beta-Lumicolchicine; b-Lumi (-)-Colchicine; β-Lumicolchicine; (-)-β-Lumicolchicine; β-Lumi-(-)-colchicine; N-[(7S,7bR,10aS)-5,6,7,7b,8,10a-Hexahydro-1,2,3,9-tetramethoxy-8-oxobenzo[a]cyclopenta[3,4]cyclobuta[1,2-c]cyclohepten-7-yl]acetamide. CAS No. 6901-13-9. Molecular formula: C22H25NO6. Mole weight: 399.44. | |
| Colchicine EP Impurity D | Colchicoside is a significantly toxic Colchicine analog with no anti-inflammatory properties. Synonyms: (S)-N-[3-(b-D-Glucopyranosyloxy)-5,6,7,9-tetrahydro-1,2,10-trimethoxy-9-oxobenzo[a]heptalen-7-yl]acetamide; N-[(7S)-3-(b-D-Glucopyranosyloxy)-5,6,7,9-tetrahydro-1,2,10-trimethoxy-9-oxobenzo[a]heptalen-7-yl]acetamide; 3-Demethylcolchicine glucoside. Grade: > 95%. CAS No. 477-29-2. Molecular formula: C27H33NO11. Mole weight: 547.55. | |
| Colchicine EP Impurity E | 3-Demethyl Colchicine is a metabolite of Colchicine. Synonyms: 3-Demethyl Colchicine; O3-Demethylcolchicine; 3-Demethyl-(-)-colchicine; 3-Demethylcolchicine; N-[(7S)-5,6,7,9-Tetrahydro-3-hydroxy-1,2,10-trimethoxy-9-oxobenzo[a]heptalen-7-yl]-acetamide. Grade: > 95%. CAS No. 7336-33-6. Molecular formula: C21H23NO6. Mole weight: 385.41. | |
| Colchicine EP Impurity F | Colchicine EP Impurity F is a Colchicine derivative. It is a new alkaloid from Gloriosa superba. Uses: A metabolite of colchicine. Synonyms: Colchiceine; 10-O-Demethylcolchicine; O10-Demethylcolchicine; N-Acetyl trimethylcolchicinic acid; N-[(7S,12aM)-10-Hydroxy-1,2,3-trimethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl]acetamide. Grade: 95%. CAS No. 477-27-0. Molecular formula: C21H23NO6. Mole weight: 385.41. | |
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