利福霉素丨6998-60-3

中文名利福霉素

中文同义利福霉素S钠;利福昔明杂质C;利福平杂质Ⅱ 利福霉素SV;利福平杂质Ⅱ 利福霉素SV;利福昔明杂质C (EP/BP)

英文名RIFAMYCIN SV

英文同义RIFAMYCIN SV;17,19,21-hexahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-21-acetate;rifamicinesv;rifocin;rifocyn;Rifamycin S-Na;Rifaximin EP Impurity C;(7S,9E,11S,12R,13S,14R,15R,16R,17S,18S,19E,21Z)-2,15,17,27,29-Pentahydroxy-11-methoxy-3,7,12,14,16,18,22-heptamethyl-6,23-dioxo-8,30-dioxa-24-azatetracyclo[23.3.1.14,7.05,28]triaconta-1(28),2,4,9,&#xD

CAS6998-60-3

分子式C37H47NO12

分子量697.77

EINECS230-273-3

结构式

性质

熔点300° (dec 140°)

比旋光度D20 -4° (methanol)

沸点701.9°C (rough estimate)

密度1.2275 (rough estimate)

折射率1.5350 (estimate)

酸度系数(pKa)5.17±0.70(Predicted)

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