2,2-dimethylchromane-6-sulfonyl chloride CAS 131880-55-2
| CAS No. | 131880-55-2 |
| Molecular Formula | C11H13ClO3S |
| Molecular Weight | 260.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 260.74 g/mol gives 2,2-dimethylchromane-6-sulfonyl chloride distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,2-dimethylchromane-6-sulfonyl chloride (CAS 131880-55-2) is a high-purity analytical reference standard with the molecular formula C11H13ClO3S and a molecular weight of 260.74 g/mol.
Structurally, 2,2-dimethylchromane-6-sulfonyl chloride (C11H13ClO3S) contains a sulfone group, 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 260.74 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C11H13ClO3S |
| Molecular Weight | 260.74 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, ethanol, DMSO |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related dimethylchromane Standards
- 6,7-Dimethylchromane-3-carboxylic acid (CAS 1514780-09-6)
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