6-Bromopyrido[2,3-d]pyrimidin-4(3H)-one CAS 155690-79-2
| CAS No. | 155690-79-2 |
| Molecular Formula | C7H4BrN3O |
| Molecular Weight | 226.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Bromopyrido[2,3-d]pyrimidin-4(3H)-one (CAS 155690-79-2), molecular formula C7H4BrN3O and molecular weight 226.03 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H4BrN3O, 6-Bromopyrido[2,3-d]pyrimidin-4(3H)-one contains an amide group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 226.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H4BrN3O |
| Molecular Weight | 226.03 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Bromopyrido Standards
- 2-Bromopyrido[3,2-d]pyrimidin-6(5H)-one (CAS 1201924-59-5)
- 8-Bromopyrido[4,3-d]pyrimidin-4(3H)-one (CAS 1256353-15-7)
- 8-Bromopyrido[4,3-d]pyrimidin-5(6H)-one (CAS 1379345-98-8)
- 6-Bromopyrido[2,3-b]pyrazin-3(4H)-one (CAS 1432059-11-4)
- 8-Bromopyrido[3,4-b]pyrazin-5(6H)-one (CAS 1590409-73-6)
- 6-Bromopyrido[3,2-d]pyrimidin-4(3H)-one (CAS 1909347-85-8)
- 7-Bromopyrido[2,3-d]pyrimidin-4(1H)-one (CAS 1936661-74-3)
- 7-Bromopyrido[3,2-b]pyrazin-3(4H)-one (CAS 957107-12-9)
Recommended Standards
- 3-Bromo-5-(pyridin-2-yl)-1,2,4-oxadiazole (CAS 1447958-32-8)
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- 3-Bromo-5-(pyridin-3-yl)-1,2,4-oxadiazole (CAS 1447958-24-8)
- 3-Bromo-5-(pyridin-4-yl)-1,2,4-oxadiazole (CAS 1447949-52-1)
- Methyl (1r,3r)-3-ethynylcyclobutane-1-carboxylate (CAS 1715976-41-2)
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