4,5-dichloro-6-methoxy-pyrimidine CAS 1806367-42-9
| CAS No. | 1806367-42-9 |
| Molecular Formula | C5H10Cl2N2O |
| Molecular Weight | 185.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4,5-dichloro-6-methoxy-pyrimidine is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 185.05 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4,5-dichloro-6-methoxy-pyrimidine (CAS 1806367-42-9) is a high-purity analytical reference standard with the molecular formula C5H10Cl2N2O and a molecular weight of 185.05 g/mol.
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 4,5-dichloro-6-methoxy-pyrimidine 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 | C5H10Cl2N2O |
| Molecular Weight | 185.05 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related dichloro Standards
- 2,4-Dichloro-5-methoxypyrimidine (CAS 19646-07-2)
- 2,5-dichloro-4-methoxy-pyrimidine (CAS 5750-74-3)
- 3,4-dichloro-5-methoxy-pyridazine (CAS 63910-32-7)
- 3,6-dichloro-4-methoxypyridazine (CAS 70952-62-4)
- Methyl 3,4-dichloro-4-oxobutanoate (CAS 768401-35-0)
- Methyl 2,4-Dichloro-3-oxobutyrate (CAS 4877-84-3)
- trans-4,5-dichloro-4,5-dimethyl-1,3-dioxolan-2-one (CAS 116857-05-7)
- 4,5-Dichloro-2,6-difluoropyrimidine (CAS 24178-72-1)
Recommended Standards
- Ethyl 3-Bromopropionate-2,2,3,3-d4 (CAS 14341-55-0)
- 2,2-Dichlorohexanoic acid (CAS 18240-70-5)
- Nitritopentamminecobalt(III) Chloride (CAS 13782-02-0)
- 2,6-dichloropyrimidine-4,5-diamine (CAS 130838-36-7)
- 4-((2-Chloro-5-nitrobenzylidene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 172844-88-1)
- Ethyl 3-aminobenzo[b]thiophene-2-carboxylate (CAS 34761-09-6)
- 4-Chloro-2-(pentan-3-ylthio)pyridine (CAS 1346707-33-2)
- 2,3-Dichloro-N-methylbenzamide (CAS 39959-96-1)
- 6-tert-Butyl-pyrazin-2-ol (CAS 1065620-55-4)
- 2-(2-Isopropylthiazol-5-yl)acetic acid (CAS 923145-07-7)
- 5-Chloro-1-ethyl-1H-imidazole-4-carbaldehyde (CAS 62260-62-2)
- 4-((5-(Trifluoromethyl)pyridin-2-yl)thio)butanenitrile (CAS 1019596-15-6)
- Methyl [1,3'-biazetidine]-3-carboxylate (CAS 1131594-83-6)
- KALA Amphipathic Peptide (CAS 187987-64-0)
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