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4-O-(Carboxymethyl)rifamycin
4-O-(Carboxymethyl)rifamycin
$69 - $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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26 prices
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AvaChem
ChemScene
aablocks
TRC
ACHEMBLOCK
Biosynth
Sigma-Aldrich
American Custom Chemicals Corporation
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10mg
r0900000
5mg
25mg
50mg
100mg
500mg
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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
13553-79-2
$21-1694
Rifamycin O
$19-1593.9
1878-84-8
$21-3796
Suppliers and manufacturers
Henan Tianfu Chemical Co.,Ltd.
Guangzhou PI PI BIOTECH INC
Standardpharm Co. Ltd.
BOC Sciences
AFINE CHEMICALS LIMITED
Finetech Industry Limited
Aladdin Scientific
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.
J & K SCIENTIFIC LTD.
Chemsky(shanghai)International Co.,Ltd.
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