Rifaximin 2S-Acetyloxy-5,6,21,23-tetrahydroxy-27-methoxy-2,4,11, 16,20,22,24,26-octamethyl-2,7-(epoxypentoeleca(1,11,13)trienimino)benzofuro[4,5-e]pyride[1,2-a]benzimidazole-1,15(2H)-dione CAS:80621-81-4
Name: Rifaximin
CAS:80621-81-4 |
Molecular formula:C43H51N3O11 |
Molecular weight:785.88 |
Chemical structural formula |
Index name |
Standard |
Appearance |
orange red or deep red powder; odorless, slightly bitter. |
Acidity |
4.0-7.0 |
Loss on drying |
≤ 5% |
Residue on ignition |
≤ 0.2% |
Heavy metal |
≤ 20PPM |
Relative material |
≤ 2.0% |
Content |
≥ 98.0% (base on dry products) |
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