Basic

CAS No.	104987-12-4;11011-38-4
Product Name	Ascomycin
Synonyms	AAG; FK-520; FR-900520; IMMUNOMYCIN; ASCOMYCIN, STREPTOMYCES HYGROSCOPICUS; ASCOMYCIN, STREPTOMYCES HYGROSCOPICUS VAR ASCOMYCETICUS; 12,18-tetramethyl-,(3s-(3r*(e(1s*,3s*,4s*)),4s*,19s*,26ar*))--10; 8-ethyl-3-(2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl)-14,16-dimethoxy; (3S,4R,5S,8R,12S,14S,15R,16S,18R,19R,26aS)-8-ethyl-5,19-dihydroxy-3-{(E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl}-14,16-dimethoxy-4,10,12,18-tetramethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-3H-15,19-epoxypyrido[2,1-c][1,4]oxazacyclotricosine-1,7,20,21(4H,23H)-tetrone; (3S,4S,5S,8R,12S,14S,15R,16S,18R,19R,26aS)-8-ethyl-5,19-dihydroxy-3-{(E)-2-[(1R,3R,4R)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl}-14,16-dimethoxy-4,10,12,18-tetramethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-3H-15,19-epoxypyrido[2,1-c][1,4]oxazacyclotricosine-1,7,20,21(4H,23H)-tetrone; (3S,4R,5S,8R,12S,14R,15R,16S,18R,19R,26aS)-8-ethyl-5,19-dihydroxy-3-{(E)-2-[(1S,3R,4S)-4-hydroxy-3-methoxycyclohexyl]-1-methylethenyl}-14,16-dimethoxy-4,10,12,18-tetramethyl-5,6,8,11,12,13,14,15,16,17,18,19,24,25,26,26a-hexadecahydro-3H-15,19-epoxypyrido[2,1-c][1,4]oxazacyclotricosine-1,7,20,21(4H,23H)-tetrone
Molecular Formula	C43H67NO12
Molecular Weight	789.99

Physical property

Melting point	153-157℃
Refractive index	1.543

Hazard Symbols	Xn:Harmful;
Risk Codes	R20/21/22:;
Safety Description	S36/37:;