2-Methoxy-4-methylpentane-1-sulfonyl chloride CAS 1780977-72-1
| CAS No. | 1780977-72-1 |
| Molecular Formula | C7H15ClO3S |
| Molecular Weight | 214.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Methoxy-4-methylpentane-1-sulfonyl chloride (CAS 1780977-72-1), molecular formula C7H15ClO3S and molecular weight 214.71 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-Methoxy-4-methylpentane-1-sulfonyl chloride (C7H15ClO3S) 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 214.71 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.
As a certified reference material (CRM), 2-Methoxy-4-methylpentane-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 | C7H15ClO3S |
| Molecular Weight | 214.71 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, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 4-Methoxy-4-methylpentane-2-sulfonyl chloride (CAS 1251323-41-7)
- 5-Methoxy-3-methylpentane-1-sulfonyl chloride (CAS 1478897-18-5)
- Methyl 2-methoxy-5-(trifluoromethoxy)benzoate (CAS 90919-40-7)
- N-(4-methoxy-4-methylpentan-2-yl)-1-methylpyrrolidin-3-amine (CAS 1248740-54-6)
- 2-Methoxy-4-methylbenzyl bromide (CAS 122488-82-8)
- 1-Methoxy-N-((4-methylthiazol-5-yl)methyl)butan-2-amine (CAS 1339901-32-4)
- 4-Methoxy-N-(1-(thiazol-2-yl)ethyl)butan-1-amine (CAS 1468532-16-2)
- 3-Methoxy-2-methylbenzyl bromide (CAS 70264-73-2)
Recommended Standards
- 2-(Methoxymethyl)-3-methylbutane-1-sulfonyl chloride (CAS 1489462-91-0)
- 1-(2-Chloro-3-methyl-4-(methylthio)phenyl)ethanone (CAS 181997-71-7)
- 2-(Ethoxymethyl)butane-1-sulfonyl chloride (CAS 1484385-78-5)
- 1-(2-Thienyl)cyclopentanecarbonyl chloride (CAS 54529-98-5)
- 1,3-BENZENEDIMETHANETHIOL (CAS 41563-69-3)
- CIS-BENZYL (2-METHYLPYRROLIDIN-3-YL)CARBAMATE HCL (CAS 1951444-30-6)
- 3-Benzyl-2-fluoro-4-iodopyridine (CAS 655245-95-7)
- Ethyl 3-((6-(benzo[d][1,3]dioxol-5-yl)-3-cyano-4-(trifluoromethyl)pyridin-2-yl)thio)propanoate (CAS 625376-94-5)
- Methyl 2-chloro-2-(2-(p-tolyl)hydrazono)acetate (CAS 82417-84-3)
- Pranoprofen Impurity 67 (CAS CATO-C4X-181167)
- 1-(3-Amino-4,5-dihydro-1H-pyrazol-1-yl)propan-1-one (CAS 21377-04-8)
- 2-(1-(3-Methoxyphenyl)-3,5-dimethyl-1H-pyrazol-4-yl)acetic acid (CAS 1267341-67-2)
- 2-methoxy-5-(methoxycarbonyl)benzoic acid (CAS 90183-43-0)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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