3,3-Dichloro-3,3a,4,5,6,7-hexahydrocycloocta[b]furan-2(9aH)-one CAS 89630-79-5
| CAS No. | 89630-79-5 |
| Molecular Formula | C10H12Cl2O2 |
| Molecular Weight | 235.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 3,3-Dichloro-3,3a,4,5,6,7-hexahydrocycloocta[b]furan-2(9aH)-one (CAS 89630-79-5), a certified reference material (molecular formula C10H12Cl2O2, MW 235.11 g/mol) for analytical method development and quality control.
Structurally, 3,3-Dichloro-3,3a,4,5,6,7-hexahydrocycloocta[b]furan-2(9aH)-one (C10H12Cl2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 235.11 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C10H12Cl2O2 |
| Molecular Weight | 235.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 2,3-Dichloro-6-(difluoromethoxy)benzyl alcohol (CAS 1804883-39-3)
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- 7-Chloro-3-methoxyquinolin-4-ol (CAS 855871-35-1)
- 1-(4-((2-Morpholinoethyl)amino)piperidin-1-yl)ethan-1-one (CAS 887445-59-2)
- 3-Phenylcyclobutan-1-amine hydrochloride (CAS 90874-40-1)
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- Semaglutide impurity 89 (CAS CATO-C4X-222689)
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