5,6-Dihydro-4H-cyclopenta[d]isoxazole-3-carboxylic acid CAS 893638-34-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 893638-34-1 |
| Molecular Formula | C7H7NO3 |
| Molecular Weight | 153.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6-Dihydro-4H-cyclopenta[d]isoxazole-3-carboxylic acid (CAS 893638-34-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H7NO3. Molecular weight: 153.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H7NO3 |
| Molecular Weight | 153.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Dihydro Standards
- 6,7-Dihydro-5h-pyrrolo[2,1-c][1,2,4]triazole-5-carboxylic acid (CAS 1259055-40-7)
- 5,6-Dihydro-4H-cyclopenta[d]oxazole-2-carboxylic acid (CAS 1352537-19-9)
- 2,3-Dihydro-1H-imidazo[1,2-b]pyrazole-6-carboxylic acid (CAS 1515221-05-2)
- 6,7-Dihydro-5H-pyrrolo[2,1-c][1,2,4]triazole-7-carboxylic acid (CAS 1546095-91-3)
- 6,7-Dihydro-5H-pyrrolo[2,1-c][1,2,4]triazole-6-carboxylic acid (CAS 1547025-86-4)
- 2-(6-Oxo-1,6-dihydro-3-pyridinyl)acetic Acid (CAS 158155-12-5)
- 5,6-Dihydro-4H-pyrrolo[1,2-c][1,2,3]triazole-6-carboxylic acid (CAS 1781041-00-6)
- 5,6-Dihydro-4H-cyclopenta[d]isoxazole-4-carboxylic acid (CAS 1781830-36-1)
Recommended Standards
- 5,6-Diaminopyrimidine-4-carboxamide (CAS 30835-20-2)
- 5-acetyl-1H-pyrrole-2-carboxylic acid (CAS 635313-65-4)
- 5,6-Diaminonicotinic acid (CAS 267875-45-6)
- 1-Benzyl-4-(piperidin-1-yl)phthalazine (CAS 304885-21-0)
- Ethyl (E)-2-(2-(2,4-dichlorothiazol-5-yl)vinyl)-6-methoxybenzoate (CAS 365542-33-2)
- 3-(Ethyl(methyl)amino)butanoic acid hydrochloride (CAS 1609399-82-7)
- Tert-butyl 5-bromo-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-1-carboxylate (CAS 1024677-85-7)
- 2,4-Bis(benzyloxy)-5-bromopyrimidine (CAS 41244-53-5)
- 8-Amino-3,4-dihydro-2h-benzo[b][1,4]dioxepine-7-thiol (CAS 1483094-45-6)
- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
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