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A2220 Amphotericin B, USP CAS: 1397-89-3

Specifications
References
CAS Number
1397-89-3
Grade
USP
Molecular Formula
C47H73NO17
Molecular Weight
924.09
EU Commodity Code
38220090
Shipping Temp
RT
Storage Temp
4°C
Abelcet; Abelecet; AmBisome; Ampho-Moronal; Amphocin; Amphozone; Apothecon; Fungilin; Fungizona; Fungizone; Halizon; LNS-AmB; NS 718; NSC 527017

Amphotericin B is a polyene antifungal agent for yeast, mold and mycoplasma. It was first isolated by Gold, et a., from Streptomyces nodosus in 1955. It is an amphoteric compound composed of a hydrophilic polyhydroxyl chain along one side and a lipophilic polyene hydrocarbon chain on the other. Amphotericin B is poorly soluble in water. Amphotericin B binds to sterols, preferentially to the primary fungal cell membrane sterol, ergosterol. This binding disrupts osmotic integrity of the fungal membrane, resulting in leakage of intracellular potassium, magnesium, sugars, and metabolites and then cellular death. Used in the preparation of baculoviral stocks.

Synonyms
Abelcet; Abelecet; AmBisome; Ampho-Moronal; Amphocin; Amphozone; Apothecon; Fungilin; Fungizona; Fungizone; Halizon; LNS-AmB; NS 718; NSC 527017
CAS No
1397-89-3
Molecular Formula
C47H73NO17
Molecular Weight
924.09
Appearance
Supplied as a yellow to orange powder.
Potency
≥750ug Amphotericin B/mg
Identification (FAB/MS)
Conforms to reference
Identification A (UV 240-320nm)
Conforms to reference
Identification B (UV/Vis 320-400nm)
Conforms to reference
Amphotericin A
≤15%
Loss on Drying
≤5%
Residue on Ignition
≤3%
Residual Solvents
Ethanol: ≤5% Acetone: ≤5%
Total Aerobic Count
≤100 cfu/g
Salmonella Species
Negative
E. coli
Negative
Endotoxin
≤2Eu/mg
Solubility
Soluble in DMSO and DMF/HCl Amphotericin B is poorly soluble in water.
Storage
Store at 4°C. Light sensitive.
Meets or exceeds USP specifications.
References
1. Ausubel, F. M., et al., Current Protocols in Molecular Biology, John Wiley (1992) 2. Maniatis, T., et al., Molecular Cloning: A Laboratory Manual, Cold Spring Harbor Laboratory Press (1989)
USBio References
No references available
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