1-Chloro-5-iodonaphthalene CAS 159334-77-7
| CAS No. | 159334-77-7 |
| Molecular Formula | C10H6ClI |
| Molecular Weight | 288.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-Chloro-5-iodonaphthalene 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.
1-Chloro-5-iodonaphthalene (CAS 159334-77-7), molecular formula C10H6ClI and molecular weight 288.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H6ClI, 1-Chloro-5-iodonaphthalene contains chlorine/iodine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.51 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.
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.) | 2002 |
| 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-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-1-iodonaphthalene (CAS 70109-78-3)
- 2-Chloro-3-iodonaphthalene (CAS 91799-72-3)
Recommended Standards
- 1,3-di-tert-butyl-5-heptylbenzene (CAS 1643540-34-4)
- 1,3,5-Tri-n-Amylbenzene (CAS 78870-40-3)
- 5-Methyl-1-[tris(1-methylethyl)silyl]-1H-pyrrolo[2,3-b]pyridine (CAS 918523-66-7)
- propan-2-yl 4-[(tert-butyldimethylsilyl)oxy]-2,2-dimethylbutanoate (CAS 1803606-31-6)
- (2S,3R)-3-Amino-2-phenylbutan-2-ol (CAS 30185-68-3)
- 1511892-44-6 (6-methoxypyridazin-4-yl)methanamine (CAS 1511892-44-6)
- (Z)-4-((2-((Hexyloxy)carbonyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 1164564-00-4)
- 2-(2-Chloro-5-formylphenyl)acetonitrile (CAS 1379277-58-3)
- 3-(6-Oxo-1,4,5,6-Tetrahydro-pyridazin-3-yl)-propionic acid 3-(6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)propanoic acid 98334-84-0 (CAS 98334-84-0)
- Octreotide Impurity 30 (CAS CATO-C4X-152030)
- N2,N2-dimethyl-5-(methylsulfonyl)pyrimidine-2,4-diamine (CAS 339108-23-5)
- Potassium pentafluorobenzoate (CAS 58521-27-0)
- 1-(3-Chloro-4-hydroxy-5-methoxyphenyl)propan-2-one (CAS 127054-74-4)
- [Nva12]-Tirzepatide (CAS CATO-C4X-324042)
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