3-Bromo-5-ethynylpyridin-4-amine CAS 2089327-35-3
| CAS No. | 2089327-35-3 |
| Molecular Formula | C7H5BrN2 |
| Molecular Weight | 197.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 197.03 g/mol gives 3-Bromo-5-ethynylpyridin-4-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Bromo-5-ethynylpyridin-4-amine (CAS 2089327-35-3) is a high-purity analytical reference standard with the molecular formula C7H5BrN2 and a molecular weight of 197.03 g/mol.
Structurally, 3-Bromo-5-ethynylpyridin-4-amine (C7H5BrN2) contains a nitrile group, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 197.03 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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 | C7H5BrN2 |
| Molecular Weight | 197.03 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 4-Bromo-1H-pyrrolo[3,2-c]pyridine (CAS 1000342-68-6)
- 6-Bromo-5-azaindole, 97% (CAS 1000342-71-1)
- 2-Bromo-5-cyano-6-picoline (CAS 1003711-39-4)
- 2-Bromo-1H-pyrrolo[2,3-b]pyridine (CAS 1083181-25-2)
- Methyl 2-bromo-4-hydroxybutanoate (CAS 111044-01-0)
- 2-Bromo-6-(cyanomethyl)pyridine (CAS 112575-11-8)
- 3-Bromo-3H-pyrrolo[2,3-b]pyridine (CAS 1160790-59-9)
- 5-Bromo-6-methylpicolinonitrile (CAS 1173897-86-3)
Recommended Standards
- 3-Bromo-4-azaindole (CAS 23688-47-3)
- 3-Bromo-5-methylisonicotinonitrile (CAS 51454-50-3)
- 3-Bromo-3-phenyl-3H-diazirine (CAS 4222-25-7)
- 3-Bromo-6-azaindole, 97% (CAS 67058-76-8)
- (1R,2S)-2-(pyridin-3-yl)cyclohexan-1-ol (CAS 1820581-32-5)
- 1H-Benzimidazolium, 5,6-dichloro-1-ethyl-2-methyl-3-(4-sulfobutyl)-, inner salt (CAS 32634-37-0)
- (S)-2-(morpholin-2-yl)ethan-1-ol (CAS 2166211-36-3)
- 4-[Isocyano(toluene-4-sulfonyl)methyl]-1,2-dimethoxybenzene (CAS 943614-50-4)
- 2-(4,4-Difluoro-1-(4-(trifluoromethyl)phenyl)cyclohexyl)acetic acid (CAS 2251054-31-4)
- 5-Bromo-2-phenylfuro[2,3-b]pyridine (CAS 431942-30-2)
- (6S)-5-(tert-Butoxycarbonyl)-1,1-dichloro-5-azaspiro[2.4]heptane-6-carboxylic acid (CAS 1427175-65-2)
- Dimethyl 3-(3,4-dimethoxyphenyl)pentanedioate (CAS 1174886-54-4)
- 2-Amino-1-(2-fluoro-5-methylphenyl)-4,5-dimethyl-1H-pyrrole-3-carbonitrile (CAS 1152656-50-2)
- Vasonatrin Peptide (VNP) trifluoroacetate salt (CAS 141676-35-9)
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