N-Nitroso Compounds 33
Impurity reference standard
- CAS number
- 28571-11-1
- InChIKey
- WJCSZFCCSVHEFI-UHFFFAOYSA-N
- Molecular formula
- C7H8N2O2
- Molecular weight
- 152.15
- Exact mass
- 152.0586 Da
- Purity
- 95%+
- Storage
- -20±5℃
About N-Nitroso Compounds 33
N-Nitroso Compounds 33 is supplied as an analytical reference standard. It is registered under CAS number 28571-11-1.
The compound is characterised by its molecular formula C7H8N2O2 and a molecular weight of 152.15, with the two-dimensional structure shown above.
Computed from the structure, the compound has a monoisotopic mass of 152.0586 Da, a calculated LogP of 1.56, a topological polar surface area of 52.90 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 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: -20±5℃.
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)
- 1.56
- Topological polar surface area
- 52.90 Ų
- Hydrogen bond donors
- 1
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 3
- Heavy atoms
- 11
- Rings
- 1
- Elemental composition
- C 55.26% · H 5.30% · N 18.41% · O 21.03%
Frequently asked questions
What purity does N-Nitroso Compounds 33 ship at?
N-Nitroso Compounds 33 is supplied at 95%+, as stated on the certificate of analysis issued with each pack.
Does N-Nitroso Compounds 33 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 N-Nitroso Compounds 33 uniquely identified?
The InChIKey WJCSZFCCSVHEFI-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 N-Nitroso Compounds 33?
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 N-Nitroso Compounds 33?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
How should N-Nitroso Compounds 33 be stored?
Recommended storage: -20±5℃.
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.