4-nitroso-3,4-dihydroquinoxalin-2(1H)-one
Impurity reference standard
- CAS number
- 53374-52-0
- InChIKey
- ODRZHTKRWUWXFX-UHFFFAOYSA-N
- Molecular formula
- C8H7N3O2
- Molecular weight
- 177.16
- Exact mass
- 177.0538 Da
About 4-nitroso-3,4-dihydroquinoxalin-2(1H)-one
4-nitroso-3,4-dihydroquinoxalin-2(1H)-one is supplied as an analytical reference standard. It is registered under CAS number 53374-52-0.
The compound is characterised by its molecular formula C8H7N3O2 and a molecular weight of 177.16, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 177.0538 Da, a calculated LogP of 1.13, a topological polar surface area of 61.77 Ų. It presents 1 hydrogen-bond donor and 3 acceptors. 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)
- 1.13
- Topological polar surface area
- 61.77 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 1
- Heavy atoms
- 13
- Rings
- 2
- Elemental composition
- C 54.24% · H 3.98% · N 23.72% · O 18.06%
Frequently asked questions
Does 4-nitroso-3,4-dihydroquinoxalin-2(1H)-one 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 4-nitroso-3,4-dihydroquinoxalin-2(1H)-one uniquely identified?
The InChIKey ODRZHTKRWUWXFX-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 4-nitroso-3,4-dihydroquinoxalin-2(1H)-one?
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 4-nitroso-3,4-dihydroquinoxalin-2(1H)-one?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
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.