4,6-Dichloro-2-(methylthio)pyrimidine-5-carbonyl Chloride CAS 1269119-14-3
| CAS No. | 1269119-14-3 |
| Molecular Formula | C6H3Cl3N2OS |
| Molecular Weight | 257.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,6-Dichloro-2-(methylthio)pyrimidine-5-carbonyl Chloride (CAS 1269119-14-3), a certified reference material (molecular formula C6H3Cl3N2OS, MW 257.52 g/mol) for analytical method development and quality control.
4,6-Dichloro-2-(methylthio)pyrimidine-5-carbonyl Chloride (C6H3Cl3N2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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 | C6H3Cl3N2OS |
| Molecular Weight | 257.52 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (2,5-Dimethoxyphenyl)(piperidin-3-yl)methanone (CAS 1017487-78-3)
- 3-(3-Bromo-5-fluorophenyl)isoxazol-5-amine (CAS 1094651-39-4)
- 2-Methyl-2H-[1,2,3]triazolo[4,5-d]pyrimidin-5-amine (CAS 51186-94-8)
- 1-(2,3,4,9-Tetrahydro-1H-carbazol-7-yl)ethan-1-one (CAS 80053-43-6)
- 3-Isopropyl-2-(piperazin-1-yl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 1708168-16-4)
- Methyl 5-bromo-3-fluoro-2-(trifluoromethyl)benzoate (CAS 2090828-54-7)
- N-isopropylspiro[3.4]Octan-2-amine (CAS 1542860-26-3)
- 4-(3-Oxo-2-phenyl-2,3-dihydro-4H-pyrido[3,2-b][1,4]oxazin-4-yl)butanoic acid (CAS 903149-54-2)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
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