Synonyms:

2,7-(Epoxypentadeca[1,11,13]trienimino)naphtho[2,1-b]furan-1,6,9,11(2H)-tetrone, 5,17,19,21-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, 21-acetate (7CI,8CI);1,4-dideoxy-1,4-dihydro-1,4-dioxo-rifamycin;RIFAMPICIN S;RIFAMYCIN S;2,7-(epoxypentadeca(1,11,13)trienimino)naphtho(2,1-b)furan-1,6,9,11(2h)-tetron;4-dideoxy-1,4-dihydro-1,4-dioxo-rifamycin;Rifaximin EP Impurity E (Rifamycin S);5,17,19,21-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-21-aceta

Canonical SMILES: CC1C=CC=C(C(=O)NC2=CC(=O)C3=C4C(=C(C(=C3C2=O)O)C)OC(C4=O)(OC=CC(C(C(C(C(C(C1O)C)O)C)OC(=O)C)C)OC)C)C

Density:1.2387(roughestimate)

Boiling Point:700.89°C(roughestimate)

Refractive Index:1.6630(estimate)

Melting Point: 179-181°C(dec.)

PKA: 3.85±0.70(Predicted)

Appearance: neat