2-chloro-4-methoxy-5-methylpyrimidine CAS 135292-35-2
| CAS No. | 135292-35-2 |
| Molecular Formula | C6H7ClN2O |
| Molecular Weight | 158.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-chloro-4-methoxy-5-methylpyrimidine (CAS 135292-35-2) is a high-purity analytical reference standard with the molecular formula C6H7ClN2O and a molecular weight of 158.59 g/mol.
Based on its molecular formula C6H7ClN2O, 2-chloro-4-methoxy-5-methylpyrimidine contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 158.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2-chloro-4-methoxy-5-methylpyrimidine 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 | C6H7ClN2O |
| Molecular Weight | 158.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related chloro Standards
- 1-(4-Chloro-1-methyl-1H-pyrazol-3-yl)ethan-1-one (CAS 1004194-08-4)
- 6-Chloro-N4-methylpyrimidine-2,4-diamine (CAS 1005-37-4)
- 4-Chloro-1-ethyl-1H-pyrazole-3-carbaldehyde (CAS 1005583-83-4)
- 4-chloro-1-ethyl-1h-pyraZole-5-carboxaldehyde (CAS 1005609-70-0)
- 1-(4-Chloro-1-methyl-1h-pyrazol-5-yl)ethan-1-one (CAS 1006482-78-5)
- 2-Chloro-5-hydrazinyl-phenol (CAS 1026536-72-0)
- 4-Chloro-2-(methoxymethyl)pyrimidine (CAS 105950-89-8)
- 3-Chloro-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine (CAS 1060814-43-8)
Recommended Standards
- (2-Amino-5-chloropyridin-3-yl)methanol (CAS 1339100-79-6)
- 2-Chloro-5-ethoxypyrazine (CAS 136309-11-0)
- (2-Amino-6-chloropyridin-4-yl)methanol (CAS 1334294-36-8)
- 4-Amino-2-chloro-5-methylpyridin-1-ium-1-olate (CAS 1373232-42-8)
- 6-Ethyl-6-hydroxy-2-thiaspiro[3.3]Heptane 2,2-dioxide (CAS 2411636-26-3)
- 1,2,3,4,6-Pentakis-O-(trimethylsilyl) α-D-Galactose (CAS 32166-80-6)
- 1-(4-Chloro-3-nitrophenyl)-2,2,2-trifluoroethan-1-ol (CAS 1554108-97-2)
- 8-Chloro-1-methyl-4-oxo-5-(6-phenylhexyl)-1,4-dihydroquinoline-3-carboxylic acid (CAS 35966-15-5)
- {[(2R)-oxolan-2-yl]methyl}thiourea (CAS 1001198-48-6)
- Fmoc-4-(7-hydroxycoumarin-4-yl)-Abu-OH (CAS 1187744-84-8)
- Ethyl 6-(3-aminophenyl)imidazo[2,1-b]thiazole-3-carboxylate (CAS 1397194-35-2)
- 1-(2,4-Dichloro-5-isopropoxyphenyl)-2-(methylthio)-1H-imidazole (CAS 338967-17-2)
- 2-Cyclopropyl-4-(trifluoromethyl)pyridine (CAS 1156542-33-4)
- Semaglutide Impurity 160 (x TFA Salt) (CAS CATO-C4X-2226160)
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