H-Arg(NO2)-OBzl p-tosylate salt
Impurity reference standard
- CAS number
- 7672-27-7
- InChIKey
- FAJFGLZHUIUNSS-NSHDSACASA-N
- Molecular formula
- C13H19N5O4
- Molecular weight
- 309.32
- Exact mass
- 309.1437 Da
About H-Arg(NO2)-OBzl p-tosylate salt
H-Arg(NO2)-OBzl p-tosylate salt is supplied as an analytical reference standard. It is registered under CAS number 7672-27-7.
The compound is characterised by its molecular formula C13H19N5O4 and a molecular weight of 309.32, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 309.1437 Da, a calculated LogP of 0.14, a topological polar surface area of 143.37 Ų. It presents 4 hydrogen-bond donors and 6 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)
- 0.14
- Topological polar surface area
- 143.37 Ų
- Hydrogen bond donors
- 4
- Hydrogen bond acceptors
- 6
- Rotatable bonds
- 8
- Heavy atoms
- 22
- Rings
- 1
- Defined stereocentres
- 1
- Elemental composition
- C 50.48% · H 6.19% · N 22.64% · O 20.69%
Frequently asked questions
Does H-Arg(NO2)-OBzl p-tosylate salt 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 H-Arg(NO2)-OBzl p-tosylate salt uniquely identified?
The InChIKey FAJFGLZHUIUNSS-NSHDSACASA-N identifies the structure unambiguously, so it can be matched against your own registry or a public database.
Is a structure file available for H-Arg(NO2)-OBzl p-tosylate salt?
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 H-Arg(NO2)-OBzl p-tosylate salt?
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.