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14487-05-9

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14487-05-9 Structure

14487-05-9 Structure
IdentificationBack Directory
[Name]

Rifamycin O
[CAS]

14487-05-9
[Synonyms]

ctone
NSC 182391
Rifomycin O
RIFAMYCIN O
Rifamycin O USP/EP/BP
Rifaximin EP Impurity F
Rifamycin EP Impurity C
Rifaximin impurity F (EP)
Rifaximin EP Impurity F (Rifamycin O)
Rifaximin Impurity 6 (Rifaximin EP Impurity F)
4’,12’,16’,18’,20’,22’-heptamethyl--221’-acetate
Rifamycin Impurity 3(Rifamycin EP Impurity C)（Rifamycin O)
4-O-(CARBOXYMETHYL)-1-DEOXY-1,4-diHYDRO-4-HYDROXY-1-OXO-G-LACTONE
4-O-Carboxymethyl-1-deoxy-1,4-dihydro-4-hydroxy-1-oxorifamycin γ-lactone
4-o-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-rifamycigamma-la
2,1-b)furan)-1’,4,6’,11’(2’h)-tetrone,5’,17’,19’,21’-tetrahydroxy-23’-methoxy
RifaMycin,4-O-(carboxyMethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, g-lactone
spiro(1,3-dioxolane-2,9’(6’h)-(2,7)(epoxypentadeca(1,11,13)trienimino)naphtho(
Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, γ-lactone
Rifamycin, 4-O-(carboxymethyl)-1-deoxy-1,4-dihydro-4-hydroxy-1-oxo-, gamma-lactone
[EINECS(EC#)]

238-493-1
[Molecular Formula]

C39H47NO14
[MDL Number]

MFCD01683928
[MOL File]

14487-05-9.mol
[Molecular Weight]

753.79
Chemical PropertiesBack Directory
[Melting point ]

171°C (dec.)
[alpha ]

D20 +71.5° (c = 1 in dioxane)
[Boiling point ]

730.16°C (rough estimate)
[density ]

1.2421 (rough estimate)
[refractive index ]

1.5350 (estimate)
[storage temp. ]

-20°C Freezer, Under Inert Atmosphere
[solubility ]

Chloroform (Slightly), Methanol (Slightly, Heated )
[form ]

Solid
[pka]

4.61±0.70(Predicted)
[color ]

Yellow to Dark Yellow
[Major Application]

pharmaceutical small molecule
[InChIKey]

RAFHKEAPVIWLJC-QZBGMZITNA-N
[SMILES]

N1C2=CC5(OCC(=O)O5)c3c4c(c(c(c3C2=O)O)C)OC(O\C=C/C(C(C(C(C(C(C(C(\C=C/C=C(\C1=O)/C)C)O)C)O)C)OC(=O)C)C)OC)(C4=O)C
Safety DataBack Directory
[Symbol(GHS) ]

Health Hazard (GHS08)Environment (GHS09)
GHS08,GHS09
[Signal word ]

Warning
[Hazard statements ]

H371-H410
[Precautionary statements ]

P273-P391-P501-P260-P264-P270-P309+P311-P405-P501
[WGK Germany ]

WGK 3
[REACH Registrations]

Active
[Storage Class]

11 - Combustible Solids
[Hazard Classifications]

Aquatic Acute 1
Aquatic Chronic 1
STOT SE 2
Hazard InformationBack Directory
[Chemical Properties]

Yellow Solid
[Uses]

Rifamycin O (Rifaximin EP Impurity F) is a Rifaximin intermediate.
[Definition]

ChEBI: Rifamycin O is a member of rifamycins.
Spectrum DetailBack Directory
[Spectrum Detail]

Rifamycin O(14487-05-9)1HNMR
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