Ethyl 5-amino-1-(4-bromophenyl)-4-cyanopyrazole-3-carboxylate CAS 96723-27-2
| CAS No. | 96723-27-2 |
| Molecular Formula | C13H11BrN4O2 |
| Molecular Weight | 335.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, Ethyl 5-amino-1-(4-bromophenyl)-4-cyanopyrazole-3-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 335.16 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ethyl 5-amino-1-(4-bromophenyl)-4-cyanopyrazole-3-carboxylate (CAS 96723-27-2), molecular formula C13H11BrN4O2 and molecular weight 335.16 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 5-amino-1-(4-bromophenyl)-4-cyanopyrazole-3-carboxylate 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 | C13H11BrN4O2 |
| Molecular Weight | 335.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- Ethyl 5-Amino-1-(3-bromophenyl)-4-cyanopyrazole-3-carboxylate (CAS 1150163-94-2)
- Ethyl 5-Amino-1-(2-bromophenyl)-4-cyanopyrazole-3-carboxylate (CAS 1150163-97-5)
- 2-(5-Amino-3-(5-iodothiophen-3-yl)-1h-pyrazol-1-yl)ethan-1-ol (CAS 1517932-50-1)
- 2-Amino-5-(3-bromophenyl)-5,8-dihydropyrido[2,3-d]pyrimidine-4,7(3H,6H)-dione (CAS 878436-17-0)
- 3-Amino-N-(benzo[d][1,3]dioxol-5-yl)-4-bromobenzamide (CAS 1306027-71-3)
- 2-Amino-4-(2,4-dichlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 315245-07-9)
- Ethyl 4-((2-amino-4-bromophenyl)amino)benzoate (CAS 1624260-86-1)
- N-(2-Amino-6-(benzyloxy)-4-bromophenyl)acetamide (CAS 713530-49-5)
Recommended Standards
- 8-Bromo-3,7-dihydro-3-methyl-7-(phenylmethyl)-1H-purine-2,6-dione (CAS 93703-26-5)
- Brimonidine Impurity 28 (CAS CATO-C4X-156628)
- 6-(2,4-Dichlorophenyl)-3-(difluoromethyl)-7H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazine (CAS 832739-43-2)
- Brimonidine Impurity 43 (CAS CATO-C4X-156643)
- 5,6,7,8-Tetrabromo-2-(3-hydroxyquinolin-2-yl)-1H-cyclopenta[b]naphthalene-1,3(2H)-dione (CAS 62404-64-2)
- 4-(2-Methoxy-2-oxoethyl)-2-(methylthio)pyrimidine-5-carboxylic acid (CAS 2763157-31-7)
- 4-(2-Methoxyphenyl)aniline (CAS 263901-48-0)
- 1-Benzyl-7-iodo-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine (CAS 957194-05-7)
- 2-(1H-Indazol-1-yl)thiazole-4-carboxylic acid (CAS 1023299-41-3)
- [(2R)-tetrahydropyran-2-yl]methanamine (CAS 885331-26-0)
- 3-(2,5-Dimethylfuran-3-yl)-4-methyl-1h-pyrazol-5-amine (CAS 1187767-01-6)
- (3-Phenyl-allyl)-phosphonicaciddiethylester (CAS 58922-31-9)
- 4-((Ethoxymethyl)thio)phenol (CAS 1468496-32-3)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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