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Rifamycin, 4-O-(carboxymethyl)-

Rifamycin, 4-O-(carboxymethyl)-
Rifamycin, 4-O-(carboxymethyl)- structure
CAS No.
13929-35-6
Chemical Name:
Rifamycin, 4-O-(carboxymethyl)-
Synonyms
C01848;Nacimycin;Nancimycin;Rifomycin B;NCI-145-604;Rifamycin impurity A;Rifaximin EP Impurity B;Rifaximin impurity B (EP);4-O-(Carboxymethyl)rifamycin;Rifamycin, 4-O-(carboxymethyl)-
CBNumber:
CB3913884
Molecular Formula:
C39H49NO14
Formula Weight:
755.809
MOL File:
13929-35-6.mol

Rifamycin, 4-O-(carboxymethyl)- Properties

Melting point:
300° (dec 160-164°)
alpha 
D20 -11° (methanol)
Boiling point:
730.16°C (rough estimate)
Density 
1.2421 (rough estimate)
refractive index 
1.5350 (estimate)
form 
neat
BRN 
604953

SAFETY

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

Rifamycin, 4-O-(carboxymethyl)- price More Price(1)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich R0900000 Rifamycin B European Pharmacopoeia (EP) Reference Standard 13929-35-6 r0900000 $179 2018-11-23 Buy

Rifamycin, 4-O-(carboxymethyl)- Chemical Properties,Uses,Production

Uses

A Rifamycin (R508200) derivative as antibacterial agent.

Purification Methods

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)- Preparation Products And Raw materials

Raw materials

Preparation Products


Rifamycin, 4-O-(carboxymethyl)- Suppliers

Global( 13)Suppliers
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PI & PI BIOTECH INC.
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Hubei Jusheng Technology Co.,Ltd.
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Hubei Yangxin Medical Technology Co., Ltd. 18672007304
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Hangzhou Synstar pharmaceutical Technology CO.,Ltd 0571-85361029
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13929-35-6(Rifamycin, 4-O-(carboxymethyl)-)Related Search:


  • Rifamycin, 4-O-(carboxymethyl)-
  • 4-O-(Carboxymethyl)rifamycin
  • Nacimycin
  • Nancimycin
  • NCI-145-604
  • Rifomycin B
  • C01848
  • Rifamycin impurity A
  • Rifaximin EP Impurity B
  • Rifaximin impurity B (EP)
  • Rifaximin Impurity 2 (Rifaximin EP Impurity B)
  • 13929-35-6
  • C39H49NO14
  • Chiral Reagents
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
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