Ethyl 4-[2-(4-Chlorophenyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]piperazine-1-carboxylate CAS 931728-33-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 931728-33-5 |
| Molecular Formula | C19H21ClN6O2 |
| Molecular Weight | 400.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 4-[2-(4-Chlorophenyl)-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]piperazine-1-carboxylate (CAS 931728-33-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C19H21ClN6O2. Molecular weight: 400.86 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C19H21ClN6O2 |
| Molecular Weight | 400.86 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Related Ethyl Standards
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Recommended Standards
- 10L-751 2-[(5Z)-5-[(4-chlorophenyl)methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]-2,3-dihydro-1H-isoindole-1,3-dione 477845-32-2 (CAS 477845-32-2)
- Dabigatran Impurity 80 (CAS 1307233-94-8)
- 2-Chloro-6-(4,5-diphenyl-1H-imidazol-1-yl)-7-ethyl-7H-purine (CAS 916976-70-0)
- 2-Ethoxy-6-methoxyphenol (CAS 90534-95-5)
- (S)-4-Methyl-2,2,2-triphenyl-1,3,2l5-dioxaphospholane (CAS 104762-38-1)
- 5-Bromo-1-fluoro-2-methoxy-3-methylbenzene (CAS 1226799-88-7)
- N-(4-Methoxybenzyl)-1-(naphthalen-1-yl)methanamine hydrobromide (CAS 1609402-90-5)
- 4-Chloro-1-cyclopropylbutan-1-one (CAS 98430-99-0)
- 8-Fluoro-5-nitroquinoline-2-carboxylic acid (CAS 1420791-58-7)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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