5-bromo-[1,2,4]triazolo[4,3-a][1,8]naphthyridine CAS 2306274-88-2
| CAS No. | 2306274-88-2 |
| Molecular Formula | C9H17BrN4 |
| Molecular Weight | 261.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-bromo-[1,2,4]triazolo[4,3-a][1,8]naphthyridine.
5-bromo-[1,2,4]triazolo[4,3-a][1,8]naphthyridine (CAS 2306274-88-2), molecular formula C9H17BrN4 and molecular weight 261.16 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-bromo-[1,2,4]triazolo[4,3-a][1,8]naphthyridine (C9H17BrN4) contains a nitrile group, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 261.16 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.
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), 5-bromo-[1,2,4]triazolo[4,3-a][1,8]naphthyridine 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 | C9H17BrN4 |
| Molecular Weight | 261.16 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related bromo Standards
- 3-Bromo-1-isopentyl-N,N-dimethyl-1H-1,2,4-triazol-5-amine (CAS 1279219-60-1)
- 2-Bromo-4,4'-dimethyl-1,1'-biphenyl (CAS 132462-55-6)
- 1-Bromo-4-phenethylbenzene (CAS 14310-24-8)
- 3-Bromo-4'-ethyl-1,1'-biphenyl (CAS 1443306-09-9)
- 3'-Bromo-2,3-dimethyl-1,1'-biphenyl (CAS 1443309-53-2)
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- (2-Bromo-2-phenylethyl)benzene (CAS 16766-97-5)
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Recommended Standards
- 5-(bromomethyl)bicyclo[3.3.1]nonane-1-carboxylic acid (CAS 256954-28-6)
- 5-Bromo-4-(thiophen-2-yl)thiazol-2-amine (CAS 81216-84-4)
- 4-Bromo-3,5-dimethyl-1,1'-biphenyl (CAS 756873-19-5)
- 7-bromo-3-ethyl-1H-1,6-naphthyridin-2-one (CAS 2589531-29-1)
- (R)-2-(2,2-Dimethyl-1,3-dioxolan-4-yl)ethanol (R)-4-(2-Hydroxyethyl)-2,2-dimethyl-1,3-dioxolane 70005-89-9 H1188 (CAS 70005-89-9)
- 2-(1-Bromoallyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 87921-49-1)
- Benzyl 4-((1-(tert-butoxycarbonyl)piperidin-4-yl)methyl)piperazine-1-carboxylate (CAS 775288-80-7)
- 5-Methoxy-2-nitrobenzyl chloride (CAS 161230-37-1)
- 3-Pentafluoroethyl-pyrazine-2-carboxylic acid (CAS 1206524-45-9)
- Triphenylsulfonium 1,1,2-trifluoro-4-(methacryloyloxy)butane-1-sulfonate (CAS 960012-02-6)
- (6-Bromo-1-tosyl-1H-indol-3-yl)boronic acid (CAS 289503-26-0)
- (1S,2R,5R,7R,8R,10S,11R,14S,15S,20S)-2,6,6,10,14,17,17-Heptamethyl-21,22-dioxahexacyclo[18.2.2.01,14.02,11.05,10.015,20]tetracos-23-ene-7,8-diol 66107-60-6 (CAS 66107-60-6)
- 2,2-Dimethyl-1,2,3,4-tetrahydroquinolin-7-amine (CAS 179899-22-0)
- Semaglutide impurity 51 (CAS CATO-C4X-222651)
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