4-chloro-6-[2-(3-methyloxetan-3-yl)ethynyl]pyrido[2,3-d]pyrimidine CAS 2573756-71-3
| CAS No. | 2573756-71-3 |
| Molecular Formula | C13H10ClN3O |
| Molecular Weight | 259.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-chloro-6-[2-(3-methyloxetan-3-yl)ethynyl]pyrido[2,3-d]pyrimidine is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-chloro-6-[2-(3-methyloxetan-3-yl)ethynyl]pyrido[2,3-d]pyrimidine (CAS 2573756-71-3), molecular formula C13H10ClN3O and molecular weight 259.69 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-chloro-6-[2-(3-methyloxetan-3-yl)ethynyl]pyrido[2,3-d]pyrimidine (C13H10ClN3O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 259.69 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 4-chloro-6-[2-(3-methyloxetan-3-yl)ethynyl]pyrido[2,3-d]pyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H10ClN3O |
| Molecular Weight | 259.69 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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- 1,9-Dioxa-4-azaspiro[5.5]Undecan-3-one (CAS 1402232-58-9)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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