(3aS,4R,6R,6aS)-4-chloro-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole CAS 17087-84-2
| CAS No. | 17087-84-2 |
| Molecular Formula | C12H19ClO5 |
| Molecular Weight | 278.73 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.
(3aS,4R,6R,6aS)-4-chloro-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole (CAS 17087-84-2), molecular formula C12H19ClO5 and molecular weight 278.73 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3aS,4R,6R,6aS)-4-chloro-6-((R)-2,2-dimethyl-1,3-dioxolan-4-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole (C12H19ClO5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 278.73 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H19ClO5 |
| Molecular Weight | 278.73 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
Recommended Standards
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- Methyl 1-(2-chloro-1H-pyrrolo[2,3-b]pyridin-1-yl)cyclopentane-1-carboxylate (CAS 1638768-59-8)
- tert-Butyl (2-chloroquinolin-4-yl)carbamate (CAS 1823510-39-9)
- 2-(Ethoxycarbonyl)-1H-indole-3-carboxylic acid (CAS 441800-93-7)
- 1-Tosylpiperidine (CAS 4703-22-4)
- Methyl 8-bromo-6-chloroimidazo[1,2-a]pyridine-2-carboxylate (CAS 1820683-44-0)
- 1-(Oxetan-3-yl)azetidin-3-amine (CAS 1368005-98-4)
- 2-Oxa-spiro[4.5]decane-1,6-dione (CAS 345914-29-6)
- 5-bromo-4-chloro-thiophene-2-carboxylic acid (CAS 123418-69-9)
- tert-Butyl ((S)-2-amino-3-((R)-tetrahydro-2H-pyran-3-yl)propyl)(methyl)carbamate (CAS 1093869-21-6)
- 1-((4-Bromo-5-methoxy-2-methylphenyl)sulfonyl)-4-(4-fluorophenyl)piperazine (CAS 898650-85-6)
- 1-Amino-4,8-dihydroxy-5-(phenylamino)anthracene-9,10(4aH,9aH)-dione (CAS 883833-62-3)
- Insulin Degludec Impurity 8 (CAS CATO-C4X-21578)
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