2,4-Dichloro-5-(methylthio)pyrimidine CAS 7401-98-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7401-98-1 |
| Molecular Formula | C5H4Cl2N2S |
| Molecular Weight | 195.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichloro-5-(methylthio)pyrimidine (CAS 7401-98-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H4Cl2N2S. Molecular weight: 195.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H4Cl2N2S |
| Molecular Weight | 195.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1959 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 2,4-Dichloro-6-(methylthio)pyrimidine (CAS 1137576-60-3)
- 2,3-Dichloro-5-(methylthio)pyrazine (CAS 1174517-48-6)
- 2,5-Dichloro-4-(methylthio)pyrimidine (CAS 1245830-98-1)
- 3,5-Dichloro-4-mercaptophenol (CAS 1803611-46-2)
- 1-(3,5-Dichloro-thiophen-2-yl)-ethanone (CAS 89281-26-5)
- 4,5-Dichloro-2-(methylthio)pyrimidine (CAS 99469-85-9)
- 2,2-Dichloro-1-(5-methyl-4,5-dihydro-1H-pyrazol-1-yl)ethanone (CAS 96632-27-8)
- 2,5-dichloro-1H-pyrrolo[3,2-b]pyridine (CAS 1000342-87-9)
Recommended Standards
- 1,2,4,5-Tetrafluoro-3-nitrobenzene (CAS 6257-03-0)
- 2-Chloro-1-(3-chlorothiophen-2-yl)ethanone (CAS 62673-63-6)
- 1,2,3,5-Tetrafluoro-4-nitrobenzene (CAS 314-41-0)
- 1-(1-Isothiocyanatoethyl)adamantane (CAS 516455-87-1)
- 1-(6-Aminopyridin-3-yl)-3-methylazetidin-3-ol (CAS 1253911-28-2)
- Ethyl 2-ethyl-3-(2-methoxyethyl)-3-methyloxirane-2-carboxylate (CAS 1507986-47-1)
- N'-Hydroxy-4-methoxy-1H-indole-3-carboximidamide (CAS 889943-82-2)
- Methyl 3-bromo-4-cyclopropylbenzoate (CAS 1131615-05-8)
- 2-Bromo-4-fluoro-1-naphthaldehyde (CAS 925442-88-2)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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 13829788188 / jacky.chen@cato-chem.com