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????? ??? ???
?? ??:
299-20-7
???:
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???(??):
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???:
etamycin
???(??):
etamycin;Etamycin A;Viridogrisein;(+)-Etamycin A;Viridogrisein I;Neoviridogrisein IV;Glycine, N-[(3-hydroxy-2-pyridinyl)carbonyl]-L-threonyl-D-leucyl-(4R)-4-hydroxy-D-prolyl-N-methylglycyl-N,4-dimethyl-L-isoleucyl-L-alanyl-N-methyl-2-phenyl-, (7→13)-lactone, (2S)-
CBNumber:
CB21321322
???:
C44H62N8O11
??? ??:
879.01
MOL ??:
299-20-7.mol

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168-170 °C (decomp)
?? ?
1213.8±65.0 °C(Predicted)
??
D26 +62°, +31° (c = 5 in chloroform, alc)
??
1.31±0.1 g/cm3(Predicted)
?? ?? (pKa)
pKa about 1 to 2(at 25℃)
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CAS ??????
299-20-7
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
HS ?? 2941900000
?? LD50 in mice (mg/kg): >3000 orally, >2000 s.c., 273 i.p., 36-39 i.v. (Dickison)
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
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P260 ??·?·??·???·??·...·????? ???? ???.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.

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Etamycin A is a cyclic peptide antibiotic isolate from Streptomyces. In vitro, Etamycin A is effective against methicillin-resistant Staphylococcus aureus.

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Moderately toxic by ingestion.

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