3-Amino-5-bromopyridin-4(1H)-one CAS 722447-33-8
| CAS No. | 722447-33-8 |
| Molecular Formula | C5H5BrN2O |
| Molecular Weight | 189.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-Amino-5-bromopyridin-4(1H)-one (CAS 722447-33-8), molecular formula C5H5BrN2O and molecular weight 189.01 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H5BrN2O, 3-Amino-5-bromopyridin-4(1H)-one contains an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 189.01 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C5H5BrN2O |
| Molecular Weight | 189.01 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Amino Standards
- 4-Amino-2-bromopyridin-3-ol (CAS 1013643-07-6)
- 4-Amino-6-bromo-3-pyridinol (CAS 1033203-48-3)
- 4-Amino-3-bromopyridin-2-ol (CAS 107842-74-0)
- 2-Amino-4-bromopyridin-3-ol (CAS 114335-54-5)
- 6-Amino-2-bromo-pyridin-3-ol (CAS 1187930-22-8)
- 2-amino-5-bromopyridin-4-ol (CAS 1261269-33-3)
- 3-Amino-6-bromo-2-hydroxypyridine (CAS 134577-43-8)
- 5-Amino-3-bromopyridin-2(1H)-one (CAS 1368775-30-7)
Recommended Standards
- 3-Amino-5-bromo-2-hydroxypyridine (CAS 98786-86-8)
- 3-Bromo-6-hydrazinylpyridazine (CAS 64461-67-2)
- 2-Hydroxy-3-amino-5-bromopyridine (CAS 39903-01-0)
- 3-Bromopyrazine-2,6-diamine (CAS 212779-25-4)
- rac Hydroxyethyl Norfenfluramine Hydrochloride (1.0mg/ml in Acetonitrile) (CAS 54779-69-0)
- 2-Hydroxy-N-(2-morpholinoethyl)benzamide (CAS 92033-82-4)
- 2-(Bis-ethylsulfanylmethylene)-malononitrile (CAS 18771-38-5)
- 4-(2-Aminoethyl)-6-chloro-7-hydroxy-2H-chromen-2-one (CAS 1234064-10-8)
- (S)-2-Amino-1-(2-(((cyclopropylmethyl)amino)methyl)pyrrolidin-1-yl)ethanone (CAS 1354010-83-5)
- 5-(Pyrrolidin-2-yl)isoxazole (CAS 164351-64-8)
- Methyl 4-(2-methyloxiran-2-yl)benzoate (CAS 1429706-32-0)
- 5,7-Docosadiynoic Acid (CAS 178560-65-1)
- cis-4-Methoxycyclohexanecarbaldehyde (CAS 2409005-17-8)
- Neuropeptide K (human, porcine, rat) trifluoroacetate salt (CAS 96827-05-3)
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