1,4,5,6,7,8-Hexahydro-cycloheptapyrazole-3-carboxylic acid ethyl ester CAS 842137-77-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 842137-77-3 |
| Molecular Formula | C11H16N2O2 |
| Molecular Weight | 208.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4,5,6,7,8-Hexahydro-cycloheptapyrazole-3-carboxylic acid ethyl ester (CAS 842137-77-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H16N2O2. Molecular weight: 208.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H16N2O2 |
| Molecular Weight | 208.26 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1,3-Dimethylphenazine (CAS 6479-89-6)
- 1,4-Diethyl-6,7-dihydro-1H-[1,2,3]triazolo[4,5-c]pyridine-5(4H)-carbaldehyde (CAS 485402-42-4)
- 1,2-Diphenylprop-2-en-1-one (CAS 4452-11-3)
- 4-Bromo-2-fluorobenzoyl Chloride (CAS 151982-51-3)
- 4,5-dichlorofuran-2-carboxylic acid (CAS 6504-32-1)
- 3-Morpholino-5,6-dihydropyridin-2(1H)-one (CAS 545445-40-7)
- 5-(M-tolyl)furan-2-carboxylic acid (CAS 400744-57-2)
- 5-Bromo-1-ethylpyridin-2(1H)-one (CAS 63785-87-5)
- Selexipag Impurity 31 (CAS CATO-C4X-196131)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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