2-Chloro-1-iodonaphthalene CAS 70109-78-3
| CAS No. | 70109-78-3 |
| Molecular Formula | C10H6ClI |
| Molecular Weight | 288.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-1-iodonaphthalene (CAS 70109-78-3) is a high-purity analytical reference standard with the molecular formula C10H6ClI and a molecular weight of 288.51 g/mol.
Structurally, 2-Chloro-1-iodonaphthalene (C10H6ClI) contains chlorine/iodine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 288.51 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.
CATO manufactures 2-Chloro-1-iodonaphthalene 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 | C10H6ClI |
| Molecular Weight | 288.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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 chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl/I-containing |
Related Chloro Standards
- 6-Chloro-1-iodonaphthalene (CAS 1261868-37-4)
- 4-Chloro-2-iodobenzoic acid (CAS 13421-13-1)
- 1-Chloro-5-iodonaphthalene (CAS 159334-77-7)
- 1-Chloro-2-iodonaphthalene (CAS 701277-07-8)
- 1-Chloro-4-iodonaphthalene (CAS 6334-37-8)
- 1-Chloro-7-iodonaphthalene (CAS 856205-19-1)
- 1-Chloro-8-iodonaphthalene (CAS 91799-71-2)
- 2-Chloro-3-iodonaphthalene (CAS 91799-72-3)
Recommended Standards
- 2-Chloro-6-iodonaphthalene (CAS 858024-79-0)
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- 2-(4-Fluorophenyl)-5-methyl-1-(4-(methylsulfonyl)phenyl)-1H-pyrrole (CAS 189500-91-2)
- 2-(3-Chloro-2-methyl-5-nitrophenyl)acetic acid (CAS 1804889-71-1)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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