2,4-Dichloro-3-methylbenzenethiol CAS 858000-02-9
| CAS No. | 858000-02-9 |
| Molecular Formula | C7H6Cl2S |
| Molecular Weight | 193.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to sulfur-containing functionality, chlorine substitution, an aromatic ring system, 2,4-Dichloro-3-methylbenzenethiol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 193.09 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2,4-Dichloro-3-methylbenzenethiol (CAS 858000-02-9), a certified reference material (molecular formula C7H6Cl2S, MW 193.09 g/mol) for analytical method development and quality control.
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 2,4-Dichloro-3-methylbenzenethiol 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 | C7H6Cl2S |
| Molecular Weight | 193.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 2,4-Dichloro-6-methylbenzenethiol (CAS 140131-93-7)
- 1,2-Dichloro-3-(methylsulfanyl)benzene (CAS 17733-25-4)
- 3,5-Dichloro-4-methylthiophenol (CAS 1803729-13-6)
- 2,3-Dichloro-5-methylthiophenol (CAS 1803805-59-5)
- 3,4-Dichloro-5-methylthiophenol (CAS 1803837-31-1)
- 2,6-Dichloro-4-methylthiophenol (CAS 1803838-39-2)
- 3,5-Dichloro-2-methylthiophenol (CAS 1804516-82-2)
- 2,5-Dichloro-3-methylthiophenol (CAS 1804896-97-6)
Recommended Standards
- (3,5-Dichlorophenyl)methanethiol (CAS 65963-17-9)
- 2,4-Dichloro-5-methylbenzenethiol (CAS 28225-88-9)
- (3,5-Dichlorophenyl)(methyl)sulfane (CAS 68121-46-0)
- 2,4-Dichlorobenzyl Mercaptan (CAS 59293-67-3)
- 1-Benzyl-3-(2-chloroacetyl)imidazolidin-2-one (CAS 930395-80-5)
- 2-Bromo-5-(2-bromoethyl)furan (CAS 1341531-02-9)
- 953072-19-0 N~1~-[(2,5-Dimethylphenyl)methyl]ethane-1,2-diamine DTXSID90608594 (CAS 953072-19-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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