Polymyxin B3 XTFA Salt
Impurity reference standard
- CAS number
- 71140-58-4 (free base)
- InChIKey
- URNLMXYENXINLB-XYAYNPGCSA-N
- Molecular formula
- C55H96N16O13 · XC2HF3O2
- Molecular weight
- 1189.45 · X114.02
- Exact mass
- 1302.7271 Da
- Purity
- 95%+
- Appearance
- White Solid
- Storage
- -20℃±5℃
About Polymyxin B3 XTFA Salt
Polymyxin B3 XTFA Salt is supplied as an analytical reference standard. It is registered under CAS number 71140-58-4.
The compound is characterised by its molecular formula C55H96N16O13 · XC2HF3O2 and a molecular weight of 1189.45 · X114.02, with the two-dimensional structure shown above.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: -20℃±5℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Frequently asked questions
What purity does Polymyxin B3 XTFA Salt ship at?
Polymyxin B3 XTFA Salt is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does Polymyxin B3 XTFA Salt come with a certificate of analysis?
Yes. Every pack ships with a certificate of analysis plus the supporting analytical data — HNMR, MS and HPLC or GC traces.
How is Polymyxin B3 XTFA Salt uniquely identified?
The InChIKey URNLMXYENXINLB-XYAYNPGCSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for Polymyxin B3 XTFA Salt?
Yes. The two-dimensional structure is drawn on this page from the SMILES record, and the SMILES or a molfile can be supplied on request.
What pack sizes are available for Polymyxin B3 XTFA Salt?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should Polymyxin B3 XTFA Salt be stored?
Recommended storage: -20℃±5℃.
Need this standard, or a related one?
Send the compound name, CAS number or a structure file — we confirm availability, pack size and lead time, usually within one business day.