Ethyl 3-amino-5-bromo-1-methyl-1H-pyrazole-4-carboxylate CAS 1017802-90-2
| CAS No. | 1017802-90-2 |
| Molecular Formula | C7H10BrN3O2 |
| Molecular Weight | 248.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 248.08 g/mol gives Ethyl 3-amino-5-bromo-1-methyl-1H-pyrazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 3-amino-5-bromo-1-methyl-1H-pyrazole-4-carboxylate (CAS 1017802-90-2) is a high-purity analytical reference standard with the molecular formula C7H10BrN3O2 and a molecular weight of 248.08 g/mol.
Structurally, Ethyl 3-amino-5-bromo-1-methyl-1H-pyrazole-4-carboxylate (C7H10BrN3O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 248.08 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C7H10BrN3O2 |
| Molecular Weight | 248.08 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- Ethyl 5-amino-2-bromo-1-methyl-1H-imidazole-4-carboxylate (CAS 112277-39-1)
- Ethyl 5-amino-4-bromo-1-methyl-1H-pyrazole-3-carboxylate (CAS 1174305-82-8)
- Ethyl 2-(3-amino-4-bromo-1h-pyrazol-1-yl)acetate (CAS 1247677-61-7)
- 4-Amino-8-bromoquinoline-3-carbonitrile (CAS 1247850-63-0)
- Methyl 2-(3-amino-4-bromo-1h-pyrazol-1-yl)propanoate (CAS 1248011-74-6)
- 2-Amino-3-(4-bromo-1h-pyrazol-1-yl)-2-methylpropanoic acid (CAS 1248822-14-1)
- Methyl 2-amino-3-(4-bromo-1h-pyrazol-1-yl)propanoate (CAS 1248939-15-2)
- 2-Amino-4-(4-bromo-1h-pyrazol-1-yl)butanoic acid (CAS 1310096-48-0)
Recommended Standards
- N-(3,4-Dichlorophenyl)imidodicarbonic diamide (CAS 264281-70-1)
- 1-Bromo-[1,2,3]triazolo[5,1-a]isoquinoline (CAS 103594-56-5)
- N-(2,5-dichlorophenyl)-2-hydrazinyl-2-oxoacetamide (CAS 443863-61-4)
- 5-Hydroxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde (CAS 1038827-60-9)
- ((1s,4s)-4-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)cyclohexyl)methanesulfonic acid (CAS CATO-C4X-301837)
- 1-Naphthyl N-propylcarbamate (CAS 25216-27-7)
- (E)-2-((2-morpholinothiazol-5-yl)methylene)hydrazine-1-carbothioamide (CAS 477845-62-8)
- 3-Methyl-5-phenyloxazolidine-2,4-dione (CAS 5841-66-7)
- 1,1-Diphenylheptane (CAS 1530-05-8)
- Trigonelline chloride (CAS 6138-41-6)
- 5-Bromo-8-fluoro-2,3-dihydroquinolin-4(1H)-one (CAS 1388026-46-7)
- Methyl 4-iodo-1-isobutyl-1H-pyrazole-5-carboxylate (CAS 1354706-00-5)
- Ammonium maleate (CAS 23705-99-9)
- semaglutide (CAS 782487-28-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com