Epinephrine /Adrenaline Impurity 128
Impurity reference standard · Epinephrine /Adrenaline
- CAS number
- 25775-86-4
- InChIKey
- NACCEZLYEUVVJK-UHFFFAOYSA-N
- Molecular formula
- C9H11N3O6
- Molecular weight
- 257.2
- Exact mass
- 257.0648 Da
About Epinephrine /Adrenaline Impurity 128
Epinephrine /Adrenaline Impurity 128 is a specified impurity of Epinephrine /Adrenaline. It is registered under CAS number 25775-86-4.
The compound is characterised by its molecular formula C9H11N3O6 and a molecular weight of 257.2, with the two-dimensional structure shown above. Because it shares the Epinephrine /Adrenaline scaffold, it is typically used to track process-related and degradation impurities of Epinephrine /Adrenaline during method development, forced degradation and stability studies.
Computed from the structure, the compound has a monoisotopic mass of 257.0648 Da, a calculated LogP of 0.65, a topological polar surface area of 136.50 Ų. It presents 3 hydrogen-bond donors and 7 acceptors. The structure carries 1 defined stereocentre, 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 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.
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)
- 0.65
- Topological polar surface area
- 136.50 Ų
- Hydrogen bond donors
- 3
- Hydrogen bond acceptors
- 7
- Rotatable bonds
- 5
- Heavy atoms
- 18
- Rings
- 1
- Defined stereocentres
- 1
- Elemental composition
- C 42.03% · H 4.31% · N 16.34% · O 37.32%
Frequently asked questions
Does Epinephrine /Adrenaline Impurity 128 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 Epinephrine /Adrenaline Impurity 128 uniquely identified?
The InChIKey NACCEZLYEUVVJK-UHFFFAOYSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for Epinephrine /Adrenaline Impurity 128?
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 Epinephrine /Adrenaline Impurity 128?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
Other Epinephrine /Adrenaline impurities
The same parent compound, neighbouring impurity numbers.
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.