2-(Chloromethyl)benzo[d]oxazole-5-carbonyl chloride CAS 1803809-78-0
| CAS No. | 1803809-78-0 |
| Molecular Formula | C9H5Cl2NO2 |
| Molecular Weight | 230.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(Chloromethyl)benzo[d]oxazole-5-carbonyl chloride (CAS 1803809-78-0), a certified reference material (molecular formula C9H5Cl2NO2, MW 230.05 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H5Cl2NO2, 2-(Chloromethyl)benzo[d]oxazole-5-carbonyl chloride 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 230.05 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 2-(Chloromethyl)benzo[d]oxazole-5-carbonyl chloride 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 | C9H5Cl2NO2 |
| Molecular Weight | 230.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloromethyl Standards
- 2-(Chloromethyl)benzo[d]oxazole-6-carbonyl chloride (CAS 1806517-18-9)
- 5-(Chloromethyl)-3-(2-chloropyridin-3-yl)-1,2,4-oxadiazole (CAS 1820650-09-6)
- 5-(Chloromethyl)-3-(2-chloropyridin-4-yl)-1,2,4-oxadiazole (CAS 1934524-37-4)
- 5-(Chloromethyl)-3-(3-chloropyridin-4-yl)-1,2,4-oxadiazole (CAS 1935226-90-6)
- 5-(Chloromethyl)-3-(4-chlorophenyl)-4,5-dihydro-1,2-oxazole (CAS 62353-39-3)
- 1,3-Bis(chloromethyl)tetramethyldisilazane (CAS 14579-91-0)
- 4-((Chloromethyl)sulfonyl)-1,4-thiazepane (CAS 1341533-03-6)
- 6-(Chloromethyl)-2-(methylthio)benzo[d]thiazole (CAS 1430932-52-7)
Recommended Standards
- 6,8-Dichloro-2-methyl-4H-benzo[d][1,3]oxazin-4-one (CAS 17987-77-8)
- 4-(2,5-Dichlorophenyl)-1,2,5-oxadiazol-3-amine (CAS 1774903-84-2)
- 5,6-Dichloro-3-hydroxyquinolin-2(1H)-one (CAS 176170-13-1)
- 5,6-Dichloro-1h-indole-2-carboxylic acid (CAS 186392-94-9)
- (3-Methoxy-2-methylpyridin-4-yl)boronic acid (CAS 2096342-28-6)
- Silverhexafluorosilicate (CAS 12021-64-6)
- N-Me-N-bis(PEG4-acid) (CAS 2055014-77-0)
- 3-Chloro-2,5-difluoropyridine (CAS 851179-00-5)
- N-tert-Butyloxycarbonyl-D-erythro-sphingosine-2,3-N,O-acetonide-1-phosphate Bis[1-(2-nitrophenyl)ethyl]ester (CAS 207516-26-5)
- Methyl 2-(2,5-dimethylphenoxy)acetate (CAS 95450-80-9)
- 3,6-Diethyl-N-(pentan-3-yl)pyrazin-2-amine (CAS 622834-90-6)
- 2-(2-Chloro-4-(difluoromethyl)-6-iodopyridin-3-yl)acetonitrile (CAS 1805354-29-3)
- Methyl 5-(phenylsulfonamido)benzo[b]thiophene-2-carboxylate (CAS 477847-47-5)
- Liraglutide (14-31)TFA Salt (CAS CATO-C4X-19927)
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