2,6-Dichloropyridine-4-thiol CAS 33256-13-2
| CAS No. | 33256-13-2 |
| Molecular Formula | C5H3Cl2NS |
| Molecular Weight | 180.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,6-Dichloropyridine-4-thiol 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.
CATO supplies 2,6-Dichloropyridine-4-thiol (CAS 33256-13-2), a certified reference material (molecular formula C5H3Cl2NS, MW 180.06 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H3Cl2NS, 2,6-Dichloropyridine-4-thiol contains a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 180.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H3Cl2NS |
| Molecular Weight | 180.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichloropyridine Standards
- 2,3-Dichloropyridine-4-thiol (CAS 1803809-56-4)
- 2,6-Dichloropyridine-3-thiol (CAS 1806270-53-0)
- 3,5-Dichloropyridine-2-thiol (CAS 41957-20-4)
- 3,5-Dichloropyridine-4-thiol (CAS 33216-53-4)
- 3,5-Dichloropyridine-2,4-diol (CAS 103792-80-9)
- 4,5-dichloropyridine-3-carbaldehyde (CAS 1009334-04-6)
- 4,6-dichloropyridine-2-carbaldehyde (CAS 132683-62-6)
- 3,5-Dichloropyridine-4-carboxaldehyde (CAS 136590-83-5)
Recommended Standards
- 1,3-Selenazolidine-4-carboxylic acid (CAS 63578-00-7)
- (R)-1,3-Selenazolidine-4-carboxylic acid (CAS 690989-05-0)
- 527-21-9 Fluoranil p-Benzoquinone, 2,3,5,6-tetrafluoro- (8CI) 2,5-Cyclohexadiene-1,4-dione, 2,3,5,6-tetrafluoro- (9CI) Tetrafluoro-p-benzoquinone EINECS 208-411-9 p-Fluoranil Fluoroanil NSC 264881 Tetrafluoro-1,4-benzoquinone Tetrafluoroquinone (CAS 527-21-9)
- 2,3-Dichloro-5-mercaptopyridine (CAS 1803823-77-9)
- 6-Fluoro-N2,N2-dimethylpyrimidine-2,4-diamine (CAS 165258-71-9)
- 4-({[(3,4-dichlorophenyl)sulfonyl]amino}methyl)benzoic acid (CAS 790272-17-2)
- 2,8-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)dibenzo[b,d]thiophene (CAS 552855-12-6)
- 3-Phenylpropane-1,2-diamine (CAS 75543-73-6)
- 2-Bromo-N-[2-(3-phenylpropoxy)phenyl]acetamide (CAS 1138442-46-2)
- 4-Bromo-2,6-dimethylbenzaldehyde (CAS 5769-33-5)
- Ganoderlactone D (CAS 1801934-15-5)
- 5-(3,5-Dichlorophenyl)-1-methyl-1H-1,2,3,4-tetrazole (CAS 303144-97-0)
- N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide (CAS 117-06-6)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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