2-(1-(4-Bromophenyl)-1H-pyrazol-5-yl)pyrimidine CAS 1269293-28-8
| CAS No. | 1269293-28-8 |
| Molecular Formula | C13H9BrN4 |
| Molecular Weight | 301.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 301.14 g/mol gives 2-(1-(4-Bromophenyl)-1H-pyrazol-5-yl)pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(1-(4-Bromophenyl)-1H-pyrazol-5-yl)pyrimidine (CAS 1269293-28-8) is a high-purity analytical reference standard with the molecular formula C13H9BrN4 and a molecular weight of 301.14 g/mol.
Structurally, 2-(1-(4-Bromophenyl)-1H-pyrazol-5-yl)pyrimidine (C13H9BrN4) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 301.14 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C13H9BrN4 |
| Molecular Weight | 301.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Bromophenyl Standards
- 2-(1-(2-Bromophenyl)-1H-pyrazol-5-yl)pyrimidine (CAS 1269291-49-7)
- 2-(4-Bromophenyl)phthalazin-1(2H)-one (CAS 128174-79-8)
- 2-(2-Bromophenyl)-1H-benzo[d]imidazole-6-carbaldehyde (CAS 1352478-65-9)
- 2-(2-Bromophenyl)-5-phenyl-1,3,4-oxadiazole (CAS 83817-43-0)
- 2-(3-Bromophenyl)-1,2-dihydrophthalazin-1-one (CAS 932149-86-5)
- 2-(3-Bromophenyl)-5-phenyl-1,3,4-oxadiazole (CAS 83817-44-1)
- 2-(3-Bromophenyl)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 881040-26-2)
- 2-(4-Bromophenyl)-5-phenyl-1,3,4-oxadiazole (CAS 21510-43-0)
Recommended Standards
- 2-(Boc-amino)-5-bromoisonicotinaldehyde (CAS 1260667-46-6)
- 1282251-04-0 2-Bromo-N-(4-methyl-2-nitrophenyl)butanamide MFCD18031643 (CAS 1282251-04-0)
- n-(2-Acetamidoethyl)-4-bromo-2-hydroxybenzamide (CAS 1252494-00-0)
- (6-Bromoimidazo[1,2-a]pyridin-3-yl)(phenyl)methanone (CAS 1284293-40-8)
- N-(3-Cyano-5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-2-yl)-2-(4-fluorophenyl)acetamide (CAS 899958-49-7)
- 4-(3-(Pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)aniline (CAS 1204296-38-7)
- 3-[1-(3-Aminophenyl)-3-tert-Butyl-1H-pyrazol-5-yl]-1-(2,3-dichlorophenyl)urea (CAS 227622-98-2)
- (3S,6S)-3,6-Bis((R)-1-hydroxyethyl)piperazine-2,5-dione (CAS 54617-73-1)
- Methyl 3-methylpiperidine-4-carboxylate hydrochloride (CAS 1797255-52-7)
- Ethyl 8-methylnon-6-enoate (CAS 101336-62-3)
- 3-Ethoxy-1H-pyrazole (CAS 59292-48-7)
- 4-Azido-2,3,5,6-tetrafluorobenzamidocysteine Methanethiosulfonate (CAS 352000-06-7)
- 2-[(2-Carbamoylphenyl)disulfanyl]benzamide (CAS 2527-57-3)
- Tirzepatide (CAS 2023788-19-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com