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Rifaximin

Rifaximin / CAS : 80621-81-4

Appearance Red to orange crystalline powder UN -
HS 29419030 DG Class -
Synonyms Rifaxidin; Xifaxan; Rifacol; Fatroximin; Normix; Rifamixin; 2S-Acetyloxy-5,6,21,23-Tetrahydroxy-27-Methoxy-2,4,11, 16,20,22,24,26-Octamethyl-2,7-(Epoxypentoeleca(1,11,13)Trienimino)Benzofuro[4,5-E]Pyride[1,2-A]Benzimidazole-1,15(2H)-Dione; Ole-1,15(2H)-Dione,25-(Acetyloxy)-5,6,21,23-Tetrahydroxy-27-Methoxy-2,4,11,16; Rifamycinl105; Rifamycinl105Sv; Rifaxamin
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Properties

Summary

Formula
C43H51N3O11
Molecular Mass
785.87900
Exact Mass
785.35200
PSA
198.38000
Logp
6.29580
IUPAC
[(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17,36-tetrahydroxy-11-methoxy-3,7,12,14,16,18,22,30-octamethyl-6,23-dioxo-8,37-dioxa-24,27,33-triazahexacyclo[23.10.1.14,7.05,35.026,34.027,32]heptatriaconta-1(35),2,4,9,19,21,25(36),26(34),28,30,32-undecaen-13-yl] acetate
SMILES
CC1C=CC=C(C(=O)NC2=C(C3=C(C4=C(C(=C3O)C)OC(C4=O)(OC=CC(C(C(C(C(C(C1O)C)O)C)OC(=O)C)C)OC)C)C5=C2N6C=CC(=CC6=N5)C)O)C

Attribute classification

Matter Classification
organic
Category
API & Intermediate > Antibiotics
API & Intermediate > Digestive System Drugs

Chemical and Physical Properties

Melting Point
200-205 ºC(dec)
Density
1.366 g/cm3
Appearance
Red to orange crystalline powder

Export information

HS Code
29419030
Export Rebate
13%

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