Aztreonam USP RC B(Open-ring Desulfated Aztreonam)
Impurity reference standard
- CAS number
- 102586-36-7
- InChIKey
- VWNDKSPHIKVWBM-VQSOLXJISA-N
- Molecular formula
- C13H19N5O6S
- Molecular weight
- 373.38
- Exact mass
- 373.1056 Da
- Purity
- 95%+
- Appearance
- Pink Solid
- Storage
- 2℃ ~ 8℃
About Aztreonam USP RC B(Open-ring Desulfated Aztreonam)
Aztreonam USP RC B(Open-ring Desulfated Aztreonam) is supplied as an analytical reference standard. It is registered under CAS number 102586-36-7.
The compound is characterised by its molecular formula C13H19N5O6S and a molecular weight of 373.38, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 373.1056 Da, a calculated LogP of -0.77, a topological polar surface area of 190.22 Ų. It presents 5 hydrogen-bond donors and 9 acceptors. The structure carries 2 defined stereocentres, which is relevant wherever a stereochemically defined standard is required. These values are commonly used to anticipate chromatographic retention and to plan ionisation conditions during method development.
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: 2℃ ~ 8℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Calculated properties
Derived from the two-dimensional structure above using RDKit. Computed values describe the parent structure and are provided as a reference for method development — they are not measured data.
- LogP (Crippen)
- -0.77
- Topological polar surface area
- 190.22 Ų
- Hydrogen bond donors
- 5
- Hydrogen bond acceptors
- 9
- Rotatable bonds
- 8
- Heavy atoms
- 25
- Rings
- 1
- Defined stereocentres
- 2
- Elemental composition
- C 41.82% · H 5.13% · N 18.76% · O 25.71% · S 8.59%
Frequently asked questions
What purity does Aztreonam USP RC B(Open-ring Desulfated Aztreonam) ship at?
Aztreonam USP RC B(Open-ring Desulfated Aztreonam) is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does Aztreonam USP RC B(Open-ring Desulfated Aztreonam) 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 Aztreonam USP RC B(Open-ring Desulfated Aztreonam) uniquely identified?
The InChIKey VWNDKSPHIKVWBM-VQSOLXJISA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for Aztreonam USP RC B(Open-ring Desulfated Aztreonam)?
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 Aztreonam USP RC B(Open-ring Desulfated Aztreonam)?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should Aztreonam USP RC B(Open-ring Desulfated Aztreonam) be stored?
Recommended storage: 2℃ ~ 8℃.
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.