3,3-Difluorobutane-1-sulfonyl chloride CAS 1785613-55-9
| CAS No. | 1785613-55-9 |
| Molecular Formula | C4H7ClF2O2S |
| Molecular Weight | 192.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3-Difluorobutane-1-sulfonyl chloride (CAS 1785613-55-9) is a high-purity analytical reference standard with the molecular formula C4H7ClF2O2S and a molecular weight of 192.61 g/mol.
Structurally, 3,3-Difluorobutane-1-sulfonyl chloride (C4H7ClF2O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/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 192.61 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.
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.
CATO manufactures 3,3-Difluorobutane-1-sulfonyl chloride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H7ClF2O2S |
| Molecular Weight | 192.61 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.) | 1994 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Difluorobutane Standards
- 2,2-difluorobutane-1-sulfonyl chloride (CAS 1780685-02-0)
- 4,4-Difluorobutane-1-sulfonyl chloride (CAS 1785613-49-1)
- 3,3-Difluorobutane-1-sulfonamide (CAS 1876664-78-6)
- 4,4-Difluorobutane-1-sulfonamide (CAS 2020907-60-0)
- 2-Ethyl-4,4-difluorobutane-1-sulfonyl chloride (CAS 2021249-06-7)
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Recommended Standards
- 2-Amino-6-chloro-4-methylpyridine-3,5-dicarbonitrile (CAS 64829-09-0)
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- 4-Chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile (CAS 1638763-85-5)
- 5-Chloro-6-ethylpyrazine-2,3-dicarbonitrile (CAS 72111-58-1)
- 3,4-Diethylphenol (CAS 875-85-4)
- 1-(4-Chloro-3-fluorophenyl)cyclobutanamine (CAS 1314674-25-3)
- 1,3,4-Thiadiazole-2-carbonyl chloride (CAS 104473-08-7)
- 6-Chloro-3,4-dihydro-2H-[2,7]naphthyridin-1-one (CAS 1260664-25-2)
- 5-Isopropoxythiophene-2-carbaldehyde (CAS 1522106-63-3)
- 4-Mercaptobenzene-1,2-diol (CAS 27320-22-5)
- 4-[Bis[4-(2H-tetrazol-5-yl)phenyl]amino]-Benzoicacid (CAS 2376820-73-2)
- 4-(1H-Benzo[d]imidazol-2-yl)pyridin-3-amine (CAS 581081-31-4)
- 3-(Carboxymethyl)-2-methyl-1H-indole-5-carboxylic acid (CAS 17222-84-3)
- C-Peptide 2 (rat) (CAS 41594-08-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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