1,1,3-Trichloronaphthalen-2(1H)-one CAS 31337-01-6
| CAS No. | 31337-01-6 |
| Molecular Formula | C10H5Cl3O |
| Molecular Weight | 247.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,1,3-Trichloronaphthalen-2(1H)-one.
1,1,3-Trichloronaphthalen-2(1H)-one (CAS 31337-01-6), molecular formula C10H5Cl3O and molecular weight 247.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H5Cl3O, 1,1,3-Trichloronaphthalen-2(1H)-one contains a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.51 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.
CATO manufactures 1,1,3-Trichloronaphthalen-2(1H)-one 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 | C10H5Cl3O |
| Molecular Weight | 247.51 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, DMSO |
| 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.) | 1965 |
| Halogen Content | Cl-containing |
Related Trichloronaphthalen Standards
Recommended Standards
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- (1-(2-(Methylsulfonyl)ethyl)cyclopropyl)methanol (CAS 1465463-59-5)
- N3-Isopropyl-4H-1,2,4-triazole-3,5-diamine (CAS 106580-60-3)
- 2-Methyl-2H-tetrazole-5-acetic Acid (CAS 21743-77-1)
- Semaglutide Impurity 180 (CAS CATO-C4X-2226180)
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