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ChemicalBook >> CAS DataBase List >> 4-O-(Carboxymethyl)rifamycin

4-O-(Carboxymethyl)rifamycin

4-O-(Carboxymethyl)rifamycin price.
  • $69 - $1871.1
  • Product name: 4-O-(Carboxymethyl)rifamycin
  • CAS: 13929-35-6
  • MF: C39H49NO14
  • MW: 755.8
  • EINECS:237-697-8
  • MDL Number:
  • Synonyms:Rifamycin impurity A;Rifaximin EP Impurity B;Rifamycin, 4-O-(carboxymethyl)-;4-O-(Carboxymethyl)rifamycin;Nacimycin;Nancimycin;NCI-145-604;Rifomycin B
Price8 Properties Safety Information Description
8 prices
Selected condition：
Brand
  • American Custom Chemicals Corporation
  • AvaChem
  • Sigma-Aldrich
  • TRC
Package
  • 25mg
  • r0900000
  • 5mg
  • 50MG
  • 100mg
  • 500MG
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0009903
  • Product descriptionRIFAMYCIN B 95.00%
  • Packaging50MG
  • Price$315
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberAPI0009903
  • Product descriptionRIFAMYCIN B 95.00%
  • Packaging500MG
  • Price$1871.1
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number2017
  • Product descriptionRifamycin B
  • Packaging5mg
  • Price$69
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number2017
  • Product descriptionRifamycin B
  • Packaging25mg
  • Price$129
  • Updated2021-12-16
  • Buy
  • ManufacturerAvaChem
  • Product number2017
  • Product descriptionRifamycin B
  • Packaging100mg
  • Price$289
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberR0900000
  • Product descriptionRifamycin B European Pharmacopoeia (EP) Reference Standard
  • Packagingr0900000
  • Price$220
  • Updated2024-03-01
  • Buy
  • ManufacturerTRC
  • Product numberR508170
  • Product descriptionRifamycin B
  • Packaging50mg
  • Price$160
  • Updated2021-12-16
  • Buy
  • ManufacturerTRC
  • Product numberR508170
  • Product descriptionRifamycin B
  • Packaging500mg
  • Price$1295
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
American Custom Chemicals Corporation API0009903 RIFAMYCIN B 95.00% 50MG $315 2021-12-16 Buy
American Custom Chemicals Corporation API0009903 RIFAMYCIN B 95.00% 500MG $1871.1 2021-12-16 Buy
AvaChem 2017 Rifamycin B 5mg $69 2021-12-16 Buy
AvaChem 2017 Rifamycin B 25mg $129 2021-12-16 Buy
AvaChem 2017 Rifamycin B 100mg $289 2021-12-16 Buy
Sigma-Aldrich R0900000 Rifamycin B European Pharmacopoeia (EP) Reference Standard r0900000 $220 2024-03-01 Buy
TRC R508170 Rifamycin B 50mg $160 2021-12-16 Buy
TRC R508170 Rifamycin B 500mg $1295 2021-12-16 Buy

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)
solubility :DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly, Sonicated)
pka :2.69±0.10(Predicted)
BRN :604953
Stability :Unstable in solution

Safety Information

Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

Description

Rifamycin B (Rifaximin EP Impurity B) is a Rifamycin (R508200) derivative as antibacterial agent.

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