Methyl 2-(chloromethyl)-5-methoxy-1,3-benzoxazole-7-carboxylate CAS 1221792-89-7
| CAS No. | 1221792-89-7 |
| Molecular Formula | C11H10ClNO4 |
| Molecular Weight | 255.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 2-(chloromethyl)-5-methoxy-1,3-benzoxazole-7-carboxylate is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies Methyl 2-(chloromethyl)-5-methoxy-1,3-benzoxazole-7-carboxylate (CAS 1221792-89-7), a certified reference material (molecular formula C11H10ClNO4, MW 255.65 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H10ClNO4, Methyl 2-(chloromethyl)-5-methoxy-1,3-benzoxazole-7-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 255.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 2-(chloromethyl)-5-methoxy-1,3-benzoxazole-7-carboxylate 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 | C11H10ClNO4 |
| Molecular Weight | 255.65 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Methyl Standards
- Methyl 2-(chloromethyl)-7-methoxy-1,3-benzoxazole-5-carboxylate (CAS 1221792-62-6)
- Ethyl 5-(chloromethyl)-7-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 1118787-44-2)
- Ethyl 7-(chloromethyl)-5-hydroxypyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 832740-93-9)
- 5-(Chloromethyl)-1-(4-fluorophenyl)-1H-1,2,4-triazole-3-carboxylic acid (CAS 1242268-20-7)
- 5-(Chloromethyl)-2-(diethylamino)-[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one (CAS 1708080-02-7)
- 4-(2-(Chloromethyl)-6-hydroxypyrimidin-4-yl)-1-ethylpyrrolidin-2-one (CAS 1708437-37-9)
- 4-[4-(chloromethyl)-1,3-thiazol-2-yl]-2-methoxyphenol (CAS 926251-43-6)
- (5-(Chloromethyl)furan-2-yl)(4-chlorophenyl)methanone (CAS 2856-02-2)
Recommended Standards
- (7-Chloro-5-oxo-2,3-dihydro-1,4-benzoxazepin-4(5H)-yl)acetic acid (CAS 1243086-72-7)
- 4-(3-Chloro-2-fluorophenoxy)-3-fluoroaniline (CAS 1206593-32-9)
- Methyl 6-chloro-4-methyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-8-carboxylate (CAS 141761-83-3)
- 3-(Benzo[d][1,3]dioxol-5-yl)-5-(chloromethyl)oxazolidin-2-one (CAS 1204298-23-6)
- 6-Methyl-5-(m-tolyl)thiazolo[3,2-b][1,2,4]triazole (CAS 1574587-72-6)
- 3-(1-Aminocyclopropyl)propan-1-ol hydrochloride (CAS 120751-53-3)
- 7,7-Dimethyl-7H-benzo[c]fluorene (CAS 112486-09-6)
- N-((1R,3S,4S)-3-((4-(3-Benzyl-1-ethyl-1H-pyrazol-5-yl)piperidin-1-yl)methyl)-4-(3-fluorophenyl)cyclopentyl)-N-methyl-D-valine (CAS 313994-79-5)
- 5-(4-Chlorophenyl)-1-isopropyl-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 338423-60-2)
- n-(3,4-Dimethylbenzyl)pentan-3-amine (CAS 1152681-12-3)
- 2-Methylpyrazolo[1,5-b]pyridazine-3-carboxylic acid (CAS 53902-81-1)
- 2-(6-(Difluoromethyl)-2-methoxypyridin-3-yl)acetic acid (CAS 1804689-00-6)
- ethyl (2-(2-(2-ethoxy-2-oxoethoxy)ethoxy)ethyl)glycinate (CAS CATO-CPTD789019)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
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