5,6-Dichloro-2-(methylthio)pyrimidin-4-ol CAS 36320-45-3
| CAS No. | 36320-45-3 |
| Molecular Formula | C5H4Cl2N2OS |
| Molecular Weight | 211.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, 5,6-Dichloro-2-(methylthio)pyrimidin-4-ol is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 211.07 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 5,6-Dichloro-2-(methylthio)pyrimidin-4-ol (CAS 36320-45-3), a certified reference material (molecular formula C5H4Cl2N2OS, MW 211.07 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5,6-Dichloro-2-(methylthio)pyrimidin-4-ol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H4Cl2N2OS |
| Molecular Weight | 211.07 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.) | 1967 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dichloro Standards
- 4,6-Dichloro-2-(methylsulfinyl)pyrimidine (CAS 1289386-11-3)
- 2,5-Dichloro-3,4-ethylenedioxythiophene (CAS 225518-49-0)
- 4,5-Dichloro-3-methylthiophene-2-carboxylic acid (CAS 854626-34-9)
- (2,3-Dichloro-6-fluorophenyl)(methyl)sulfane (CAS 1803820-09-8)
- (3,6-Dichloro-2-fluorophenyl)(methyl)sulfane (CAS 1804421-45-1)
- (2,4-Dichloro-6-fluorophenyl)(methyl)sulfane (CAS 1806277-16-6)
- 1,3-Dichloro-5-ethyl-5-methylimidazolidine-2,4-dione (CAS 89415-87-2)
- 4,6-Dichloro-1H-indole-2-carbonitrile (CAS 648417-02-1)
Recommended Standards
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- Cefditoren Impurity 3 (CAS 145904-68-3)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
Why CATO?
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