Nω-Nitro-L-arginine
Impurity reference standard
- CAS number
- 2149-70-4
- InChIKey
- MRAUNPAHJZDYCK-BYPYZUCNSA-N
- Molecular formula
- C6H13N5O4
- Molecular weight
- 219.2
- Exact mass
- 219.0968 Da
About Nω-Nitro-L-arginine
Nω-Nitro-L-arginine is supplied as an analytical reference standard. It is registered under CAS number 2149-70-4.
The compound is characterised by its molecular formula C6H13N5O4 and a molecular weight of 219.2, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 219.0968 Da, a calculated LogP of -1.52, a topological polar surface area of 154.37 Ų. It presents 5 hydrogen-bond donors and 5 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)
- -1.52
- Topological polar surface area
- 154.37 Ų
- Hydrogen bond donors
- 5
- Hydrogen bond acceptors
- 5
- Rotatable bonds
- 6
- Heavy atoms
- 15
- Rings
- 0
- Defined stereocentres
- 1
- Elemental composition
- C 32.88% · H 5.98% · N 31.95% · O 29.20%
Frequently asked questions
Does Nω-Nitro-L-arginine 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 Nω-Nitro-L-arginine uniquely identified?
The InChIKey MRAUNPAHJZDYCK-BYPYZUCNSA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for Nω-Nitro-L-arginine?
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 Nω-Nitro-L-arginine?
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.