1-(4-Bromo-1,3-dimethyl-1H-pyrazol-5-yl)ethan-1-one CAS 1263214-70-5
| CAS No. | 1263214-70-5 |
| Molecular Formula | C7H9BrN2O |
| Molecular Weight | 217.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Bromo-1,3-dimethyl-1H-pyrazol-5-yl)ethan-1-one (CAS 1263214-70-5), molecular formula C7H9BrN2O and molecular weight 217.06 g/mol, is a CATO reference standard with documented purity and traceability.
1-(4-Bromo-1,3-dimethyl-1H-pyrazol-5-yl)ethan-1-one (C7H9BrN2O) contains an amide group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 1-(4-Bromo-1,3-dimethyl-1H-pyrazol-5-yl)ethan-1-one 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 | C7H9BrN2O |
| Molecular Weight | 217.06 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-Bromo-1-(1,3-dimethyl-1H-pyrazol-5-yl)ethan-1-one (CAS 1015936-63-6)
- 6-Bromo-5-ethoxypyridin-3-amine (CAS 1020253-84-2)
- 3-Bromo-5-ethoxyphenol (CAS 1026796-70-2)
- 2-Bromo-6-isopropoxypyrazine (CAS 1027512-85-1)
- 4-Bromo-1-(tetrahydrofuran-3-yl)-1H-pyrazole (CAS 1040377-07-8)
- 4-Bromo-5-methoxy-1,2-benzenediamine (CAS 108447-01-4)
- 4-Bromo-N-ethyl-1h-pyrrole-2-carboxamide (CAS 1153795-60-8)
- 4-Bromo-3-methoxybenzene-1,2-diamine (CAS 1162696-92-5)
Recommended Standards
- 4-Bromo-3-(hydroxymethyl)-2-methylphenol (CAS 1255206-72-4)
- 2-Amino-2-(5-bromopyridin-2-yl)ethan-1-ol (CAS 1270332-98-3)
- 4-Chloro-6-(chloromethyl)-1-methyl-1h-pyrazolo[3,4-d]pyrimidine (CAS 1255147-37-5)
- 2-Amino-2-(6-bromopyridin-2-yl)ethanol (CAS 1270356-41-6)
- (S)-6,6a,7,8,9,10-Hexahydro-5H-pyrido[1,2-a]quinoxaline (CAS 1414960-52-3)
- 1-Benzyl-4-(2-methyl-1,3-dioxolan-2-yl)-1,2,3,6-tetrahydropyridine (CAS 93841-57-7)
- 3,3-dimethyl-1-(methylsulfanyl)butan-2-one (CAS 39199-12-7)
- (R)-1-(Pyridin-2-yl)propan-1-amine (CAS 249920-06-7)
- 4-(3-Bromopropyl)pyridine (CAS 40337-66-4)
- (1-Benzamido-2-chlorovinyl)triphenylphosphonium chloride (CAS 90283-60-6)
- 3-(4-(2,7-Dimethylimidazo[1,2-a]pyridin-3-yl)thiazol-2-yl)aniline (CAS 1416338-86-7)
- tert-Butyl 2-hydroxypiperazine-1-carboxylate (CAS 914224-76-3)
- 1-Ethyl-3-(pyrrolidin-3-yl)-1H-indole (CAS 804443-56-9)
- Semaglutide impurity 34 (CAS CATO-C4X-222634)
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