Ethyl 5-(5-bromothiophen-2-yl)-1H-pyrazole-3-carboxylate CAS 2248181-61-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2248181-61-3 |
| Molecular Formula | C10H9BrN2O2S |
| Molecular Weight | 301.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 5-(5-bromothiophen-2-yl)-1H-pyrazole-3-carboxylate (CAS 2248181-61-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H9BrN2O2S. Molecular weight: 301.16 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H9BrN2O2S |
| Molecular Weight | 301.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 4-bromo-3-hydroxybenzo[b]thiophene-2-carboxylate (CAS 2167533-74-4)
- Ethyl 5-amino-6-bromothieno[3,2-b]pyridine-2-carboxylate (CAS 2891458-13-0)
- Ethyl 3-bromo-4-hydroxybenzo[b]thiophene-6-carboxylate (CAS 2090019-90-0)
- tert-Butyl 3-(isoxazol-3-yl)piperidine-1-carboxylate (CAS 1260665-02-8)
- (4-((2-Nitro-1H-imidazol-1-yl)methyl)phenyl)boronic acid (CAS 137756-87-7)
- 2-(Trifluoromethyl)pyridin-4-amine hydrochloride (CAS 2490412-85-4)
- Ethyl 3-benzyl-1,2,3,4-tetrahydro-3-quinolinecarboxylate (CAS 1105193-22-3)
- 2-((3-Allyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 501112-75-0)
- (1-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutyl)methanol (CAS 1398331-84-4)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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