2-Methylbutane-1-sulfonyl chloride CAS 78429-86-4
| CAS No. | 78429-86-4 |
| Molecular Formula | C5H11ClO2S |
| Molecular Weight | 170.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Methylbutane-1-sulfonyl chloride (CAS 78429-86-4) is a high-purity analytical reference standard with the molecular formula C5H11ClO2S and a molecular weight of 170.66 g/mol.
Structurally, 2-Methylbutane-1-sulfonyl chloride (C5H11ClO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 170.66 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Methylbutane-1-sulfonyl chloride meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H11ClO2S |
| Molecular Weight | 170.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methylbutane Standards
- 2-Methylbutane-2-sulfonyl chloride (CAS 16489-14-8)
- 3-Methylbutane-1-sulfonyl Chloride (CAS 22795-37-5)
- 3-Methylbutane-2-sulfonyl chloride (CAS 78429-87-5)
- 3-Methylbutane-1-sulfinyl chloride (CAS 859811-01-1)
- 2-methylbutane-1-sulfonyl fluoride (CAS 1311315-63-5)
- 3-Methylbutane-2-sulfonamide (CAS 1247402-34-1)
- n-Methylbutane-1-sulfonamide (CAS 16867-25-7)
- 2-Methylbutane-1-sulfonamide (CAS 854461-68-0)
Recommended Standards
- 2-chloromethanesulfonyl-2-methylpropane (CAS 24824-96-2)
- 2,2-Dimethylpropane-1-sulfonyl Chloride (CAS 53333-76-9)
- 1-Chloro-4-methanesulfonylbutane (CAS 53394-82-4)
- n-Pentyl sulfonyl chloride (CAS 6303-18-0)
- 2-Fluoro-4-(4-methyl-1-piperazinyl)benzoic Acid (CAS 948018-61-9)
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- 2-(Trimethylsilyl)ethyl (S)-3-hydroxypyrrolidine-1-carboxylate (CAS 2821797-69-5)
- 1-[(4-methylbenzene)sulfonyl]propan-2-ol (CAS 85870-05-9)
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- Ethyl 4-(((tert-butoxycarbonyl)(methyl)amino)methyl)benzoate (CAS 1823521-16-9)
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