2-Chloro-5-(methylthio)benzenethiol CAS 1349717-07-2
| CAS No. | 1349717-07-2 |
| Molecular Formula | C7H7ClS2 |
| Molecular Weight | 190.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Chloro-5-(methylthio)benzenethiol (CAS 1349717-07-2) is a high-purity analytical reference standard with the molecular formula C7H7ClS2 and a molecular weight of 190.71 g/mol.
Structurally, 2-Chloro-5-(methylthio)benzenethiol (C7H7ClS2) contains sulfur-containing functionality, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 190.71 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Chloro-5-(methylthio)benzenethiol 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 | C7H7ClS2 |
| Molecular Weight | 190.71 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.) | 1991 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Chloro Standards
- 2-(4-Chloro-3,3-dimethylbutyl)tetrahydrofuran (CAS 1478154-78-7)
- 2-(5-Chloro-4-methylpentyl)tetrahydrofuran (CAS 1478932-84-1)
- 1-(3-Chloro-2-methylpropyl)-4-methylpiperazine (CAS 39607-92-6)
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Recommended Standards
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- (E)-[1-(4-Chlorophenyl)-2-[(4-chlorophenyl)methanesulfinyl]ethylidene](methoxy)amine (CAS 320422-57-9)
- 4-Chlorophenethyl ethyl oxalate (CAS 1443353-62-5)
- 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-bromobenzoic acid (CAS 1696643-67-0)
- 1-Phenyl-3-(thiophen-2-yl)prop-2-en-1-one (CAS 2910-81-8)
- Methyl 3,4-dimethyl-5-sulfamoylbenzoate (CAS 1340445-56-8)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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