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4-O-(Carboxymethyl)rifamycin
4-O-(Carboxymethyl)rifamycin
$95 - $1871.1
Product name
4-O-(Carboxymethyl)rifamycin
Cas No
13929-35-6
MF
C39H49NO14
MW
755.8
EINECS
237-697-8
Synonyms
Rifamycin impurity A;Rifaximin EP Impurity B;Rifamycin, 4-O-(carboxymethyl)-;4-O-(Carboxymethyl)rifamycin;Nacimycin;Nancimycin;NCI-145-604;Rifomycin B
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23 prices
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AvaChem
ChemScene
aablocks
TRC
ACHEMBLOCK
Biosynth
Sigma-Aldrich
American Custom Chemicals Corporation
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25mg
100mg
500mg
r0900000
5mg
10mg
50mg
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Brand
Packaging
Price
Product name
aablocks
AA001AMF
5mg
$152
Rifamycin B
aablocks
AA001AMF
10mg
$240
Rifamycin B
aablocks
AA001AMF
25mg
$500
Rifamycin B
aablocks
AA001AMF
50mg
$780
Rifamycin B
ACHEMBLOCK
AD269484
25MG
$500
4-O-(Carboxymethyl)-Rifamycin
ACHEMBLOCK
AD269484
10MG
$250
4-O-(Carboxymethyl)-Rifamycin
ACHEMBLOCK
AD269484
5MG
$160
4-O-(Carboxymethyl)-Rifamycin
American Custom Chemicals Corporation
API0009903
50MG
$315
RIFAMYCIN B
American Custom Chemicals Corporation
API0009903
500MG
$1871.1
RIFAMYCIN B
AvaChem
2017
100mg
$389
Rifamycin B
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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
Description
Rifamycin B (Rifaximin EP Impurity B) is a Rifamycin (R508200) derivative as antibacterial agent.
Related product price
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Rifamycin O
$19-1593.9
6272-26-0
$9-2470
Suppliers and manufacturers
J & K SCIENTIFIC LTD.
Chemsky(shanghai)International Co.,Ltd.
Quality Control Solutions Ltd.
Finetech Industry Limited
Shanghai Kewel Chemical Co., Ltd.
BOC Sciences
Shanghai YuanYe Biotechnology Co., Ltd.
Hubei Yangxin Medical Technology Co., Ltd.
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Shenzhen Polymeri Biochemical Technology Co., Ltd.
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