(9S,12E,14S,15R,16S,17R,18R,19R,20S,21S)-3-acetyl-5,6,18,20-tetrahydroxy-14-methoxy-1,2,7,9,15,17,19,21,25-nonamethyl-10,26-dioxo-9,10-dihydro-1H-9,4-(epoxypentadeca[1,11,13]trienoimino)[1]benzofuro[5,4-g]indol-16-yl acetate (21240-38-0)

Identification
Name:	(9S,12E,14S,15R,16S,17R,18R,19R,20S,21S)-3-acetyl-5,6,18,20-tetrahydroxy-14-methoxy-1,2,7,9,15,17,19,21,25-nonamethyl-10,26-dioxo-9,10-dihydro-1H-9,4-(epoxypentadeca[1,11,13]trienoimino)[1]benzofuro[5,4-g]indol-16-yl acetate
Synonyms:	Rifamycin PR 14;PR 14;BRN 5402462;NCI 143-462;Rifamycin II, 3'-acetyl-1',2'-dimethyl-;9,4-(Epoxypentadeca(1,11,13)trienimino)-1H-benzofuro(5,4-g)indole-10,26(9H)-dione, 3-acetyl-5,6,16,18,20-pentahydroxy-14-methoxy-1,2,7,9,15,17,19,21,25-nonamethyl-, 16-acetate;LS-64145;21240-38-0
CAS:	21240-38-0
Molecular Formula:	C₄₃H₅₄N₂O₁₂
Molecular Weight:	790.8951
InChI:	InChI=1/C43H54N2O12/c1-18-14-13-15-19(2)42(53)44-33-30-28(25(8)46)24(7)45(11)34(30)29-31(38(33)51)37(50)23(6)40-32(29)41(52)43(10,57-40)55-17-16-27(54-12)20(3)39(56-26(9)47)22(5)36(49)21(4)35(18)48/h13-18,20-22,27,35-36,39,48-51H,1-12H3,(H,44,53)/b14-13+,17-16+,19-15+/t18-,20+,21+,22+,27-,35-,36+,39+,43-/m0/s1
Molecular Structure:
Properties
Flash Point:	545.3°C
Boiling Point:	978°C at 760 mmHg
Density:	1.32g/cm³
Refractive index:	1.608
Flash Point:	545.3°C
Safety Data