Ethyl Methyl Disulfide CAS 20333-39-5
| CAS No. | 20333-39-5 |
| Molecular Formula | C3H8S2 |
| Molecular Weight | 108.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to sulfur-containing functionality, Ethyl Methyl Disulfide is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 108.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
Ethyl Methyl Disulfide (CAS 20333-39-5), molecular formula C3H8S2 and molecular weight 108.23 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), Ethyl Methyl Disulfide 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 | C3H8S2 |
| Molecular Weight | 108.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 2 |
Recommended Standards
- Di-n-propyl-d7-amine (mono-propyl-d7) (CAS 63220-61-1)
- CAS 952185-00-1 (CAS 952185-00-1)
- 1,2-Propanedithiol (CAS 814-67-5)
- 2-Fluoro-2-propenoyl Chloride (DISCONTINUED) (CAS 16522-55-7)
- Boc-β-Phe(4-OMe)-OH (CAS 159990-12-2)
- 3-Oxo-2-phenyl-2,3-dihydropyridazine-4-carbohydrazide (CAS 400079-20-1)
- 2,2′-Methylenebis[(4<I>S</I>)-4-phenyl-2-oxazoline] (CAS 132098-59-0)
- Pyridoxine Impurity 23 HCl (CAS 49797-79-7)
- 4-(Chloromethyl)-2-(3-fluorophenyl)-5-methyloxazole (CAS 884504-76-1)
- 4-chloro-1-isopropyl-pyrazolo[3,4-d]pyrimidine (CAS 21254-15-9)
- (2,3,5-Trifluorophenyl)boronic acid (CAS 247564-73-4)
- Methyl N-benzyl-N-(but-3-en-1-yl)glycinate (CAS 175227-10-8)
- tert-Butyl 7-(((trifluoromethyl)sulfonyl)oxy)-4-azaspiro[2.5]oct-6-ene-4-carboxylate (CAS 1892578-22-1)
- Biotinyl-CBP501 Affinity Peptide trifluoroacetate salt (CAS 2022956-39-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com