Rifamycin, 4-O-(Carboxymethyl)-
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- CAS-Nr.
- 13929-35-6
- Bezeichnung:
- Rifamycin, 4-O-(Carboxymethyl)-
- Englisch Name:
- 4-O-(Carboxymethyl)rifamycin
- Synonyma:
- C01848;Nacimycin;Nancimycin;Rifomycin B;NCI-145-604;Rifamycin B CRS;Rifamycin impurity A;Rifaximin EP Impurity B;Rifamycin EP Impurity A;Rifaximin impurity B (EP)
- CBNumber:
- CB3913884
- Summenformel:
- C39H49NO14
- Molgewicht:
- 755.8
- MOL-Datei:
- 13929-35-6.mol
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Rifamycin, 4-O-(Carboxymethyl)- Eigenschaften
- Schmelzpunkt:
- 300° (dec 160-164°)
- alpha
- D20 -11° (methanol)
- Siedepunkt:
- 730.16°C (rough estimate)
- Dichte
- 1.2421 (rough estimate)
- Brechungsindex
- 1.5350 (estimate)
- Löslichkeit
- DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly, Sonicated)
- pka
- 2.69±0.10(Predicted)
- BRN
- 604953
- Stabilität:
- Unstable in solution
Sicherheit
| Toxizität |
LD50 in mice (mg/kg): 2040 i.v., >3000 i.p., s.c., and orally (Sensi, 1964) |
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Rifamycin, 4-O-(Carboxymethyl)- Chemische Eigenschaften,Einsatz,Produktion Methoden
Verwenden
A Rifamycin (R508200) derivative as antibacterial agent.
läuterung methode
Rifamycin B forms yellow needles from *C6H6. Its solubilities are: H2O (0,027%), MeOH (2.62%) and EtOH (0.44%). It has UV max at 223, 304 and 245nm (A 1cm 555, 275 and 220). [Oppolzer & Prelog Helv Chim Acta 56 2287 1973, Oppolzer et al. Experientia 20 336 1964, X-ray: Brufani et al. Experientia 20 339 1964.]
Rifamycin, 4-O-(Carboxymethyl)- Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
Rifamycin, 4-O-(Carboxymethyl)- Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
Global( 42)Lieferanten
13929-35-6(Rifamycin, 4-O-(Carboxymethyl)-)Verwandte Suche:
Rifamycin, 4-O-(Carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, γ-Lacton
Rifamycin, 1,4-Dideoxy-1,4-dihydro-1,4-dioxo-
Naphthalin-1,5-diol
4-Methoxy-1-naphthol
Rifamycin, 4-O-(Carboxymethyl)-
α-Methylnaphthalin-2-methanol
Rifampicin
Naphthalin-1,6-diol
Naphthalin-1,4-diol
1,3-Dimethylnaphthalin
2-Methoxy-1-naphthaldehyd
4-Hydroxyphenoxyessigsure
2-Methyl-1-naphthol
1-(2-Hydroxy-1-naphthyl)ethan-1-on
- Rifamycin impurity A
- Rifaximin EP Impurity B
- Rifamycin, 4-O-(carboxymethyl)-
- 4-O-(Carboxymethyl)rifamycin
- Nacimycin
- Nancimycin
- NCI-145-604
- Rifomycin B
- C01848
- Rifaximin impurity B (EP)
- Rifaximin Impurity 2 (Rifaximin EP Impurity B)
- Rifamycin EP Impurity A
- Rifaximin EP Impurity B (Rifamycin B)
- Rifamycin B CRS
- Rifamycin Impurity 1(Rifamycin EP Impurity A)（Rifamycin B)
- 4-O-(Carboxymethyl)-Rifamycin (Rifaximin Impurity)
- Rifaximin EP Impurity B（Rifamycin EP Impurity A）
- 13929-35-6
- C39H49NO14
- Chiral Reagents
- Intermediates & Fine Chemicals
- Pharmaceuticals
