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Rifamycin, 4-O-(Carboxymethyl)-

4-O-(Carboxymethyl)rifamycin Struktur
13929-35-6
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

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)
L?slichkeit
DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly, Sonicated)
pka
2.69±0.10(Predicted)
BRN 
604953
Stabilit?t:
Unstable in solution

Sicherheit

Toxizit?t LD50 in mice (mg/kg): 2040 i.v., >3000 i.p., s.c., and orally (Sensi, 1964)

Rifamycin, 4-O-(Carboxymethyl)- Chemische Eigenschaften,Einsatz,Produktion Methoden

Verwenden

A Rifamycin (R508200) derivative as antibacterial agent.

l?uterung 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 H?ndler.

Global( 49)Lieferanten
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Henan Tianfu Chemical Co.,Ltd.
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shchemsky@sina.com China 32321 50

13929-35-6(Rifamycin, 4-O-(Carboxymethyl)-)Verwandte Suche:


  • 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
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