1-Methyl-4-(methylthio)pyridin-1-ium iodide CAS 52693-58-0
| CAS No. | 52693-58-0 |
| Molecular Formula | C7H10NS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Methyl-4-(methylthio)pyridin-1-ium iodide (CAS 52693-58-0) is a high-purity analytical reference standard with the molecular formula C7H10NSI and a molecular weight of 267.12 g/mol.
Based on its molecular formula C7H10NSI, 1-Methyl-4-(methylthio)pyridin-1-ium iodide contains a nitrile group, sulfur-containing functionality, iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 267.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 1-Methyl-4-(methylthio)pyridin-1-ium iodide 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 | C7H10NS I |
| Molecular Weight | 267.12 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 4-(Methylthio)-1H-pyrazolo[3,4-d]pyrimidin-6-ol (CAS 100047-41-4)
- 2-(Methylthio)-N-(2-(4-nitrophenoxy)ethyl)thiazolo[4,5-d]pyrimidin-7-amine (CAS 1000574-56-0)
- 4-Methyl-3-(methylthio)-7-nitro-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1000575-87-0)
- 3-(Methylthio)-4-phenyl-4H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1000577-38-7)
- 5-Methyl-2-(methylthio)pyrimidine (CAS 100114-24-7)
- 6-benzyl-2-(methylthio)pyrimidin-4(3H)-one (CAS 100142-46-9)
- 2-(Methylthio)-5,6-dihydropyrimidin-4(1H)-one (CAS 100185-53-3)
- 4-(methylthio)-6-(tributylstannyl)pyrimidine (CAS 1002719-56-3)
Recommended Standards
- Iohexol Impurity 11 (CAS 76820-35-4)
- 4-Ethoxymethylene-2-(4-isopropyl-phenyl)-4H-isoquinoline-1,3-dione (CAS 565168-52-7)
- 1-Ethyl-2,4,5-trimethylbenzene (CAS 17851-27-3)
- Etoricoxib Impurity 73 (CAS 1937252-96-4)
- 2-(1,4-Dioxan-2-yl)ethane-1-sulfonyl chloride (CAS 2091573-19-0)
- Nebivolol Impurity 35 (CAS 1199945-26-0)
- Topiroxostat Impurity 59 (CAS 19717-43-2)
- 5-bromo-3-(difluoromethoxy)-2-methylpyridine (CAS 1211536-99-0)
- 3',5'-Dimethoxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 1242339-52-1)
- (Thr(PO3H2)231)-Tau Peptide (225-237) trifluoroacetate salt (CAS 1670270-09-3)
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