Polymyxin E1 is a peptide antibiotic and a major constituent of the cationic lipopeptide antibiotic colistin originally isolated from B. polymyxa.1 It is active against P. aeruginosa and E. coli (MICs = 2 and 0.8 µg/ml, respectively).
Polymyxin E1 (sulfate)
Catalog No.: GC91220Purity:>90.00%
A peptide antibiotic and a major constituent of colistin
Products are for research use only. Not for human use. We do not sell to patients.
Cas No.: 207990-63-4
500 μgIn Stock
$223.00
1
1 mgIn Stock
$422.00
1
| Pack Size | Price | Availability | Quantity | Action |
|---|---|---|---|---|
| 500 μg | $223.00 | In Stock | 1 | |
| 1 mg | $422.00 | In Stock | 1 |
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Citations
No citations are currently available for this product. Below are selected publications citing GlpBio products.
Nature641, 529–536 (2025)
Nature628, 630–638 (2024)
Nature632, 686–694 (2024)
Nature618, 1017–1023 (2023)
Nature610, 366–372 (2022)
Cell187(9):2288-2304 (2024)
Cell183(7):1867-1883 (2020)
Science388(6745) (2025)
Science387(6739) (2025)
Science387(6734) (2025)
Cell Research35, 97–116 (2025)
Cell Research34, 683–706 (2024)
Cell Research33, 273–287 (2023)
Cell Research33, 546–561 (2023)
Cell Research33, 904–922 (2023)
Cell Research31, 1291–1307 (2021)
Description
Product Documents
Purity:>90.00%Appearance:A solid
Chemical Properties
CAS No.
207990-63-4
Molecular Formula
C53H100N16O13 ? XH2SO4
Molecular Weight
1169.5
Solubility
PBS (pH 7.2): 10 mg/ml
Storage
Store at -20°C
General tips
Select a suitable solvent according to the product solubility data. Once prepared, aliquot the stock solution to avoid repeated freeze-thaw cycles.
Use stock solutions within 6 months when stored at -80°C or within 1 month when stored at -20°C.
To improve solubility, warm the tube to 37°C and sonicate it for an appropriate period.
Use stock solutions within 6 months when stored at -80°C or within 1 month when stored at -20°C.
To improve solubility, warm the tube to 37°C and sonicate it for an appropriate period.
Shipping Condition
Evaluation samples are shipped with blue ice. Other available sizes are shipped at room temperature or with blue ice upon request.
CalculatorsMolarity / Dilution / Molecular Weight / Unit Conversion / In Vivo Formulation / Solubility
g/mol
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