2,3-Dichloro-5,6-difluorobenzenethiol CAS 1263376-21-1
| CAS No. | 1263376-21-1 |
| Molecular Formula | C6H2Cl2F2S |
| Molecular Weight | 215.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,3-Dichloro-5,6-difluorobenzenethiol (CAS 1263376-21-1), a certified reference material (molecular formula C6H2Cl2F2S, MW 215.05 g/mol) for analytical method development and quality control.
Structurally, 2,3-Dichloro-5,6-difluorobenzenethiol (C6H2Cl2F2S) contains sulfur-containing functionality, fluorine/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 215.05 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,3-Dichloro-5,6-difluorobenzenethiol 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 | C6H2Cl2F2S |
| Molecular Weight | 215.05 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1990 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 2,5-Dichloro-3,6-difluorothiophenol (CAS 1263377-08-7)
- 4,6-dichloro-3-fluoro-1H-pyrazolo[3,4-d]pyrimidine (CAS 2306269-62-3)
- 4,6-Dichloro-2-(1H-pyrazol-1-yl)pyrimidine (CAS 1017781-89-3)
- 5,7-Dichloro-1H-pyrrolo[2,3-c]pyridine-3-carbaldehyde (CAS 1167056-60-1)
- 2,3-Dichloro-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 117890-82-1)
- 2,4-Dichloro-5-(1-pyrazolyl)pyrimidine (CAS 1260860-26-1)
- 5,6-Dichloro-1H-benzo[d]imidazole-2-carbaldehyde (CAS 1263378-60-4)
- 2,4-Dichloro-1,6-naphthyridin-5(6H)-one (CAS 1402972-79-5)
Recommended Standards
- N-(5-Bromo-4-methylpyridin-2-yl)formamide (CAS 1263207-83-5)
- 3-Amino-5-bromobenzamide (CAS 1261609-26-0)
- 5-Bromo-6-(methylamino)nicotinaldehyde (CAS 1289104-65-9)
- 2-Amino-3-(4-bromo-1H-pyrazol-1-yl)propanenitrile (CAS 1249444-29-8)
- Methyl 2-([2,2'-bipyridin]-6-ylmethoxy)benzoate (CAS 192227-33-1)
- 2-Propenoic acid, 2-methyl-, ammonium salt , polymer with ammonium 2-propenoate (CAS 130097-34-6)
- DL-RuCl[(p-cymene(BINAP)]Cl (CAS 376354-47-1)
- Mirogabalin Impurity 149 (CAS CATO-C4X-2924149)
- 61535-46-4 3-(Benzyloxy)benzoyl chloride DTXSID20407350 (CAS 61535-46-4)
- Ethyl 2-hydroxy-3-(oxetan-3-ylamino)propanoate (CAS 1862918-28-2)
- 4-(2-(Pyrrolidin-1-yl)ethoxy)benzaldehyde (CAS 26116-47-2)
- Apalutamide Impurity 59 (CAS CATO-C4X-274959)
- Potassium isopropoxide, 5% w/v in isopropanol (CAS 6831-82-9)
- Peptide Impurity 34 (CAS 21282-09-7)
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