9-Chloronaphtho[1,2-b]benzofuran CAS 1416620-13-7
| CAS No. | 1416620-13-7 |
| Molecular Formula | C16H9ClO |
| Molecular Weight | 252.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 252.70 g/mol gives 9-Chloronaphtho[1,2-b]benzofuran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 9-Chloronaphtho[1,2-b]benzofuran (CAS 1416620-13-7), a certified reference material (molecular formula C16H9ClO, MW 252.70 g/mol) for analytical method development and quality control.
Structurally, 9-Chloronaphtho[1,2-b]benzofuran (C16H9ClO) contains a hydroxyl group, an ether linkage, chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 252.70 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 9-Chloronaphtho[1,2-b]benzofuran 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 | C16H9ClO |
| Molecular Weight | 252.70 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
Related Chloronaphtho Standards
- 8-Chloronaphtho[2,1-b]benzofuran (CAS 1647008-46-5)
- 10-Chloronaphtho[2,1-b]benzofuran (CAS 2140822-95-1)
- 1-Chloronaphtho[2,3-b]benzofuran (CAS 2170644-12-7)
- 4-Chloronaphtho[2,3-b]benzofuran (CAS 2271091-81-5)
- 7-Chloronaphtho[1,2-b]benzofuran (CAS 2411141-56-3)
- 8-Chloronaphtho[1,2-b]benzofuran (CAS 2103931-84-4)
- 1-Chloronaphtho[2,1-b]thiophene-2-carbonitrile (CAS 886360-79-8)
- Methyl 1-chloronaphtho[2,1-b]thiophene-2-carboxylate (CAS 85992-30-9)
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