6-Chloroquinoline-4-thiol CAS 64495-66-5
| CAS No. | 64495-66-5 |
| Molecular Formula | C9H6ClNS |
| Molecular Weight | 195.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 195.67 g/mol gives 6-Chloroquinoline-4-thiol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Chloroquinoline-4-thiol (CAS 64495-66-5), molecular formula C9H6ClNS and molecular weight 195.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H6ClNS, 6-Chloroquinoline-4-thiol contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 195.67 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 6-Chloroquinoline-4-thiol 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 | C9H6ClNS |
| Molecular Weight | 195.67 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloroquinoline Standards
- 2-Chloroquinoline-3-thiol (CAS 68844-42-8)
- 7-Chloroquinoline-4(1H)-thione (CAS 90225-19-7)
- 8-Chloroquinoline-2,4(1H,3H)-dione (CAS 1228302-29-1)
- 4-Chloroquinoline-6,7-diol (CAS 1256637-72-5)
- 6-Chloroquinoline-2,4(1H,3H)-dione (CAS 138964-52-0)
- 8-Chloroquinoline-2,4-diol (CAS 1822902-32-8)
- 5-Chloroquinoline-2,4-diol (CAS 1823285-85-3)
- 7-Chloroquinoline-2,4-diol (CAS 1823745-32-9)
Recommended Standards
- 5-Chloro-2-(thiophen-2-yl)pyridine (CAS 56421-70-6)
- 4-(3-Chlorophenyl)thiazole (CAS 383145-27-5)
- 3-(4-Chlorophenyl)cyclopentan-1-amine (CAS 100129-33-7)
- 4-(2-Chlorophenyl)thiazole (CAS 383145-28-6)
- 1-Methyl-2-oxo-4-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 130879-53-7)
- Tert-butyl (R)-(1-(methylamino)-1-oxopropan-2-yl)carbamate (CAS 92208-86-1)
- 2-(Azetidin-1-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1448172-67-5)
- 10-(tert-Butoxy)-10-oxodecanoic Acid (CAS 234081-96-0)
- 5-Methoxy-[1,2,4]triazolo[1,5-a][1,3,5]triazine-7(1H)-thione (CAS 500892-61-5)
- 4-Ethyl-5-methylpyrimidin-2-amine (CAS 35733-54-1)
- Phenacetin (CAS 62-44-2)
- 4-(3-(Dimethylamino)propoxy)-2-(trifluoromethyl)aniline (CAS 801190-26-1)
- Niflumic Acid-d5 (Major) (CAS 1794811-58-7)
- Insulin degludec (CAS 844439-96-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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