15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone,5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,8,10,12,18-pentamethyl-,(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)- (104987-09-9)

Identification
Name:	15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone,5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[(1E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl]-14,16-dimethoxy-4,8,10,12,18-pentamethyl-,(3S,4R,5S,8R,9E,12S,14S,15R,16S,18R,19R,26aS)-
Synonyms:	15,19-Epoxy-3H-pyrido[2,1-c][1,4]oxaazacyclotricosine-1,7,20,21(4H,23H)-tetrone,5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-5,19-dihydroxy-3-[2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl]-14,16-dimethoxy-4,8,10,12,18-pentamethyl-,[3S-[3R[E(1S,3S,4S)],4S,5R,8S,9E,12R,14R,15S,16R,18S,19S,26aR]]-;FK 523; FR 900523
CAS:	104987-09-9
Molecular Formula:	C42H67 N O12
Molecular Weight:	777.9809
InChI:	InChI=1/C42H67NO12/c1-23-16-24(2)18-35(52-8)38-36(53-9)20-27(5)42(50,55-38)39(47)40(48)43-15-11-10-12-30(43)41(49)54-37(28(6)33(46)22-32(45)25(3)17-23)26(4)19-29-13-14-31(44)34(21-29)51-7/h17,19,24-25,27-31,33-38,44,46,50H,10-16,18,20-22H2,1-9H3/b23-17+,26-19+/t24-,25+,27+,28+,29-,30-,31+,33-,34+,35-,36-,37+,38+,42+/m0/s1
Molecular Structure:
Properties
Flash Point:	474.5°C
Boiling Point:	861°C at 760 mmHg
Density:	1.2g/cm³
Refractive index:	1.547
Flash Point:	474.5°C
Safety Data