6-Chloro-1-methylquinoline-2(1H)-thione CAS 33682-77-8
| CAS No. | 33682-77-8 |
| Molecular Formula | C10H8ClNS |
| Molecular Weight | 209.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-1-methylquinoline-2(1H)-thione (CAS 33682-77-8), molecular formula C10H8ClNS and molecular weight 209.70 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Chloro-1-methylquinoline-2(1H)-thione (C10H8ClNS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 209.70 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H8ClNS |
| Molecular Weight | 209.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-(5-Chloro-2-thienyl)-6-methylpyridine (CAS 1062177-19-8)
- 2-(5-Chloro-2-thienyl)-5-methylpyridine (CAS 1187163-39-8)
- 1187169-93-2 3-(5-Chloro-2-thienyl)-4-methylpyridine MFCD13152434 (CAS 1187169-93-2)
- 1187169-96-5 4-(5-Chloro-2-thienyl)-2-methylpyridine MFCD13152436 (CAS 1187169-96-5)
- 2-(5-Chloro-2-thienyl)-3-methylpyridine (CAS 1187170-17-7)
- 4-Benzyl-2-chloro-1,3-thiazole (CAS 1344352-94-8)
- (Z)-3-chloro-3-(4-(methylthio)phenyl)acrylonitrile (CAS 1427564-95-1)
- 2-(5-Chloro-2-thienyl)-4-methylpyridine (CAS 202336-12-7)
Recommended Standards
- 4-Chloro-6-(methylthio)quinoline (CAS 99074-39-2)
- 323594-95-2 5-(5-Chloro-2-thienyl)-2-methylpyridine MFCD13152435 (CAS 323594-95-2)
- 4-chloro-3-(methylsulfanyl)quinoline (CAS 83936-07-6)
- 1-(3-Chloro-4-methylphenyl)piperidine (CAS 1000339-31-0)
- 2,4-Dichloro-6,7-dihydro-[1,4]dioxino[2,3-d]pyrimidine (CAS 2260510-30-1)
- 4-(<I>Z</I>-amino)cyclohexanol (CAS 16801-62-0)
- N-(3-(2-Methoxyethyl)-6-methylbenzo[d]thiazol-2(3H)-ylidene)cyclopropanecarboxamide (CAS 1006269-61-9)
- 4-(3-(Trifluoromethoxy)phenyl)thiazol-2(3h)-imine (CAS 436151-97-2)
- 1-(3,4-Difluorophenyl)piperazin-2-one (CAS 907972-67-2)
- 2-(((4-Chloro-2,5-dimethoxyphenyl)amino)methyl)-6-ethoxyphenol (CAS 1232792-46-9)
- 2-(3,4-Dimethoxyphenyl)-3-hydroxy-5,6,7,8-tetramethoxy-4H-chromen-4-one (CAS 35154-55-3)
- 4-(Methylsulfonyl)phenylhydrazine (CAS 877-66-7)
- 4-(Isopentyloxy)-2-methylbenzofuran-6-carboxylic acid (CAS 1291490-23-7)
- Palmitoyl Hexapeptide-12 TFA salt (CAS 171263-26-6(Free Base))
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