5-Bromo-4-methyl-3,4'-bipyridine CAS 351457-72-2
| CAS No. | 351457-72-2 |
| Molecular Formula | C11H9BrN2 |
| Molecular Weight | 249.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 249.11 g/mol gives 5-Bromo-4-methyl-3,4'-bipyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-4-methyl-3,4'-bipyridine (CAS 351457-72-2), molecular formula C11H9BrN2 and molecular weight 249.11 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Bromo-4-methyl-3,4'-bipyridine (C11H9BrN2) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 249.11 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-Bromo-4-methyl-3,4'-bipyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H9BrN2 |
| Molecular Weight | 249.11 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-bromo-5-phenylpyridin-3-amine (CAS 102249-56-9)
- 4-Bromo-6-(m-tolyl)pyrimidine (CAS 1086382-23-1)
- 5'-Bromo-3-methyl-2,2'-bipyridine (CAS 1159281-27-2)
- 5-Bromo-6'-methyl-2,2'-bipyridine (CAS 1187163-77-4)
- 5'-Bromo-4-methyl-2,2'-bipyridine (CAS 1187164-02-8)
- 1187164-08-4 5-Bromo-6'-methyl-[2,3']bipyridinyl MFCD13152538 (CAS 1187164-08-4)
- 5-Bromo-4'-methyl-2,3'-bipyridine (CAS 1187165-97-4)
- 5-Bromo-2-methyl-[2,4]bipyridinyl (CAS 1187168-43-9)
Recommended Standards
- 5-Bromo-4-methyl-3,3'-bipyridine (CAS 351457-84-6)
- 5-Bromo-N-phenylpyridin-3-amine (CAS 767342-20-1)
- 5-Bromo-4-(o-tolyl)pyrimidine (CAS 941294-34-4)
- 5-Ethoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2223053-22-1)
- ethyl 2-(butyrylamino)-3,3,3-trifluoro-2-hydroxypropanoate (CAS 328270-25-3)
- (2S)-Methyl 5-oxo-4-phenylpyrrolidine-2-carboxylate (CAS 207281-72-9)
- 1-(2-Bromo-4-iodophenyl)urea (CAS 1424568-36-4)
- (E)-3-phenoxybenzaldehyde oxime (CAS 131141-93-0)
- 1-(2-Methoxy-acetyl)-4-methyl-piperidine-4-carboxylic acid (CAS 1316220-82-2)
- Methyl (2S,3R)-2-((tert-butoxycarbonyl)amino)-3-fluorobutanoate (CAS 2380464-77-5)
- 2-(7-Methylimidazo[1,2-a]pyrimidin-2-yl)ethan-1-amine (CAS 1217274-07-1)
- 2-(2,5-Dimethylphenyl)-N-(5-phenyl-1,3,4-oxadiazol-2-yl)acetamide (CAS 921810-67-5)
- (2-Fluoro-4-(pentafluoro-λ6-sulfanyl)phenyl)methanamine (CAS 1240257-86-6)
- Pancreatic Polypeptide (1-17)-(Ala31,Aib32)-Neuropeptide Y (18-36) (human) trifluoroacetate salt (CAS 313988-70-4)
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