Palbociclib Impurity 126
Impurity reference standard · Palbociclib
- CAS number
- 2089333-12-8
- InChIKey
- GZWQRTKBTWTPLK-UHFFFAOYSA-N
- Molecular formula
- C9H11N5O3
- Molecular weight
- 237.22
- Exact mass
- 237.0862 Da
About Palbociclib Impurity 126
Palbociclib Impurity 126 is a specified impurity of Palbociclib. It is registered under CAS number 2089333-12-8.
The compound is characterised by its molecular formula C9H11N5O3 and a molecular weight of 237.22, with the two-dimensional structure shown above. Because it shares the Palbociclib scaffold, it is typically used to track process-related and degradation impurities of Palbociclib during method development, forced degradation and stability studies.
Computed from the structure, the compound has a monoisotopic mass of 237.0862 Da, a calculated LogP of 0.79, a topological polar surface area of 91.94 Ų. It presents 0 hydrogen-bond donors and 6 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)
- 0.79
- Topological polar surface area
- 91.94 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 6
- Rotatable bonds
- 3
- Heavy atoms
- 17
- Rings
- 2
- Elemental composition
- C 45.57% · H 4.67% · N 29.52% · O 20.23%
Frequently asked questions
Does Palbociclib Impurity 126 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 Palbociclib Impurity 126 uniquely identified?
The InChIKey GZWQRTKBTWTPLK-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 Palbociclib Impurity 126?
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 Palbociclib Impurity 126?
Standard packs run from milligram to gram quantities and ship from stock. Larger or custom synthesis requirements are quoted on request.
Other Palbociclib 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.