2-(Chloromethyl)-6-cyanobenzo[d]oxazole CAS 944903-35-9
| CAS No. | 944903-35-9 |
| Molecular Formula | C9H5ClN2O |
| Molecular Weight | 192.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(Chloromethyl)-6-cyanobenzo[d]oxazole 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.
2-(Chloromethyl)-6-cyanobenzo[d]oxazole (CAS 944903-35-9), molecular formula C9H5ClN2O and molecular weight 192.60 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H5ClN2O, 2-(Chloromethyl)-6-cyanobenzo[d]oxazole 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 192.60 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.
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.
Physical & Chemical Properties
| Molecular Formula | C9H5ClN2O |
| Molecular Weight | 192.60 g/mol |
| Appearance | Pale yellow to 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloromethyl Standards
- 2-(Chloromethyl)-5-cyanobenzo[d]oxazole (CAS 170993-41-6)
- 2-(Chloromethyl)-4-cyanobenzo[d]oxazole (CAS 1803740-70-6)
- 2-(Chloromethyl)-7-cyanobenzo[d]oxazole (CAS 944897-73-8)
- 2-(Chloromethyl)-1,3-difluoro-5-methoxybenzene (CAS 1183153-32-3)
- 1-(Chloromethyl)-2,5-difluoro-4-methoxybenzene (CAS 1261645-61-7)
- 5-(chloromethyl)-1,3-difluoro-2-methoxybenzene (CAS 1507562-26-6)
- 4-(Chloromethyl)-5-(difluoromethyl)pyridin-2-amine (CAS 1805195-09-8)
- 6-(Chloromethyl)-3-(difluoromethyl)pyridin-2-amine (CAS 1806008-95-6)
Recommended Standards
- 2-(5-Chlorobenzo[d]isoxazol-3-yl)acetonitrile (CAS 57268-49-2)
- 2-(7-Chlorofuro[2,3-c]pyridin-3-yl)acetonitrile (CAS 183208-47-1)
- 2-Chloroquinazoline-4-carbaldehyde (CAS 944903-02-0)
- 2-(2-Chlorobenzo[d]oxazol-4-yl)acetonitrile (CAS 1806326-09-9)
- Methyl 6-amino-5-fluoropicolinate (CAS 1256792-46-7)
- N-(piperidin-4-yl)picolinamide (CAS 503464-73-1)
- 7,7-Dimethyl-2-phenyl-1,2,3,4,7,8-hexahydroquinolin-5(6H)-one (CAS 62811-69-2)
- N-(quinolin-5-ylcarbamothioyl)benzamide (CAS 861208-64-2)
- Ethyl (S)-2-(piperidin-2-yl)acetate hydrochloride (CAS 2409589-84-8)
- Gefitinib Impurity 87 (CAS CATO-C4X-111787)
- 5-Chloro-N-methylpicolinamide (CAS 1086110-81-7)
- 2-(3-(Trifluoromethyl)phenoxy)isoindoline-1,3-dione (CAS 328081-53-4)
- 1-(1-methyl-1H-pyrazol-4-yl)-2-(pyrrolidin-2-yl)ethan-1-one dihydrochloride (CAS 1423025-51-7)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
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