Polymyxin B1 XAcetate
Impurity reference standard
- CAS number
- 4135-11-9 (free base)
- InChIKey
- VPKKJYBWVHIPOY-GYMBPXIDSA-N
- Molecular formula
- C56H98N16O13 · XC2H4O2
- Molecular weight
- 1203.48 · X60.05
- Exact mass
- 1262.7711 Da
- Purity
- 95%+
- Appearance
- White Solid
- Storage
- -20℃±5℃
About Polymyxin B1 XAcetate
Polymyxin B1 XAcetate is supplied as an analytical reference standard. It is registered under CAS number 4135-11-9.
The compound is characterised by its molecular formula C56H98N16O13 · XC2H4O2 and a molecular weight of 1203.48 · X60.05, 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 B1 XAcetate ship at?
Polymyxin B1 XAcetate is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does Polymyxin B1 XAcetate 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 B1 XAcetate uniquely identified?
The InChIKey VPKKJYBWVHIPOY-GYMBPXIDSA-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 B1 XAcetate?
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 B1 XAcetate?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should Polymyxin B1 XAcetate 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.