Erythromycin Cas: 114-07-8
Catalog Number | xwm 92244 |
Khoom npe | Erythromycin |
CAS | 114-07-8 ib |
Molecular Formula | C37H67NO13 |
Molecular Luj | 733.93 ib |
Cov ntaub ntawv khaws cia | Ambient |
Harmonized tariff Code | 29415 000 Nws |
Khoom Specification
Qhov tshwm sim | Dawb crystalline hmoov |
Assay | 99% min |
Dej | 10% max |
Kev sib hloov tshwj xeeb | -71 ° rau -78 ° |
Ethanol | 0.5% max |
Residue ntawm Ignition | 0.2% max |
Erythromycin B | 12.0% max |
Erythromycin C | 5.0% max |
Kev txwv ntawm thiocyanate | 0.3% max |
Propanol | 0.5% max |
N-buty acetate hmoov | 0.5% max |
Erythromycin A enol ether | 0.3% max |
Txhua yam khoom muaj feem xyuam rau tus kheej | 3.0% max |
Erythromycin yog tshuaj tua kab mob hauv qhov ncauj macrolide, tsim los ntawm Streptomyces erythromycin.Nws tuaj yeem thim rov qab khi rau cov kab mob 50S ribosome thiab inhibit protein synthesis.Erythromycin yog dawb los yog ze li dawb crystal lossis hmoov;tsw tsw, iab;me ntsis moist.Soluble hauv ethanol, me ntsis soluble hauv dej.
Erythromycin tuaj yeem cuam tshuam cov synthesis ntawm cov protein.Feem ntau, cov kab mob no muaj txiaj ntsig zoo rau cov kab mob Gram-zoo thiab feem ntau yog siv los kho cov tshuaj tiv thaiv kab mob penicillin G Staphylococcus aureus.Erythromycin yog ib hom tshuaj tua kab mob macrolide nrog cov tshuaj tua kab mob zoo sib xws rau penicillin.Nws yog tsuas yog siv rau kev ua xua rau cov neeg mob penicillin, los yog rau penicillin-resistant Staphylococcus aureus kab mob, thiab kuj rau streptococcus, pneumococcal kab mob thiab diphtheria By.