5-(tert-Butyl) 2-ethyl 7,8-dihydro-4H-pyrazolo[1,5-a][1,4]diazepine-2,5(6H)-dicarboxylate CAS 1250997-22-8
| CAS No. | 1250997-22-8 |
| Molecular Formula | C15H23N3O4 |
| Molecular Weight | 309.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(tert-Butyl) 2-ethyl 7,8-dihydro-4H-pyrazolo[1,5-a][1,4]diazepine-2,5(6H)-dicarboxylate (C15H23N3O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 5-(tert-Butyl) 2-ethyl 7,8-dihydro-4H-pyrazolo[1,5-a][1,4]diazepine-2,5(6H)-dicarboxylate (CAS 1250997-22-8), a certified reference material (molecular formula C15H23N3O4, MW 309.36 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-(tert-Butyl) 2-ethyl 7,8-dihydro-4H-pyrazolo[1,5-a][1,4]diazepine-2,5(6H)-dicarboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H23N3O4 |
| Molecular Weight | 309.36 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 1,3,5-Tris(2-pyridyl)benzene (CAS 124960-21-0)
- Methyl 3-((tert-butoxycarbonyl)amino)-2-(4-(hydroxymethyl)phenyl)propanoate (CAS 1253955-58-6)
- 1-(4-(4-Nicotinoylpiperazin-1-yl)phenyl)ethanone (CAS 124444-91-3)
- (R)-2-((tert-butoxycarbonyl)amino)-4-(4-methoxyphenyl)butanoic acid (CAS 1260589-40-9)
- 1-Amino-3-cyclopentene Hydrochloride (CAS 91469-55-5)
- Triptotriterpenic acid C (CAS 123914-32-9)
- (7-Chloro-3-iodo-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)methanol (CAS 2387595-33-5)
- rac erythro-9-(2-Hydroxy-3-nonyl)adenine HCl (CAS 51350-19-7)
- 2-Bromo-4-(chloromethyl)-6-(difluoromethyl)pyridine (CAS 1805201-69-7)
- 2-(Aminomethyl)-1-(3-bromothiophen-2-yl)butan-1-ol (CAS 1489925-94-1)
- 2-(2-Nitrophenyl)-1H-benzimidazole (CAS 2208-58-4)
- 6-[(4-Methoxyphenyl)sulfanyl]-3-(trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 339017-51-5)
- N-(4-Ethylbenzo[d]thiazol-2-yl)-3-phenoxypropanamide (CAS 892858-19-4)
- 103244-41-3 Insulin-like Growth Factor-II fragment 33-40 Ser-Arg-Val-Ser-Arg-Arg-Ser-Arg (CAS 103244-41-3)
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 18665070610 / Nicole.chen@cato-chem.com