Ethyl 8-amino-1,4,4-trimethyl-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylate CAS 802534-92-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 802534-92-5 |
| Molecular Formula | C15H19N5O2 |
| Molecular Weight | 301.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 8-amino-1,4,4-trimethyl-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxylate (CAS 802534-92-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H19N5O2. Molecular weight: 301.34 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H19N5O2 |
| Molecular Weight | 301.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 5 |
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Recommended Standards
- Ethyl 4-(furan-2-yl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate (CAS 338415-01-3)
- Haemanthamine (CAS 466-75-1)
- Diphenylmethanone O-benzoyl oxime (CAS 3362-33-2)
- Trimethyl(propoxy)silane (CAS 1825-63-4)
- 3-Nitro-N-(4-(5-oxo-4,5-dihydropyrazin-2-yl)phenyl)benzamide (CAS 89541-59-3)
- cis-Hexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxamide (CAS 1218662-69-1)
- 1-(6-(4-Methyl-1h-imidazol-1-yl)pyridin-3-yl)ethan-1-one (CAS 810662-41-0)
- 2-Amino-4-cyclohexyl-5-oxo-7-phenyl-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 275360-63-9)
- 2,6-DIethyl-1,4-dihydro-pyridine-3,5-dicarboxylic acid diethyl ester (CAS 900504-04-3)
- Des-Ala28-Tirzepatide (CAS CATO-CPTD788945)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com