3-Naphthol-2-carbonyl chloride CAS 1734-00-5
| CAS No. | 1734-00-5 |
| Molecular Formula | C11H7ClO2 |
| Molecular Weight | 206.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-Naphthol-2-carbonyl chloride (CAS 1734-00-5) is a high-purity analytical reference standard with the molecular formula C11H7ClO2 and a molecular weight of 206.63 g/mol.
Based on its molecular formula C11H7ClO2, 3-Naphthol-2-carbonyl chloride contains a carboxylic acid group, 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 206.63 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.
CATO manufactures 3-Naphthol-2-carbonyl chloride 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 | C11H7ClO2 |
| Molecular Weight | 206.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Naphthol Standards
- 3-Phenyl-1-naphthol (CAS 30069-65-9)
- 1-Naphthol-4-sulfonic acid (CAS 84-87-7)
- 1-Naphthol-2-boronic acid (CAS 1496553-02-6)
- 6-Propyl-2-naphthol (CAS 2776-56-9)
- 1-Acetyl-2-naphthol (CAS 574-19-6)
- 1-Naphthol-2-acetonitrile (CAS 71057-00-6)
- 1-Naphthol-2-methanol (CAS 59648-32-7)
- 1-Naphthol-3-methanol (CAS 92643-82-8)
Recommended Standards
- 6-Chloro-2-phenylpyridazin-3(2H)-one (CAS 1698-57-3)
- 5-Chloro-1,2-dihydrofuro[3,2-f][1,7]naphthyridine (CAS 173540-66-4)
- 6-(3-chlorophenyl)pyrimidin-4-ol (CAS 1692752-85-4)
- 2-(5-Chloro-2-methylbenzo[d]oxazol-7-yl)acetonitrile (CAS 1779120-93-2)
- 3-Amino-4-chlorobenzonitrile (CAS 53312-79-1)
- 2-Aminoquinolin-4-ol (CAS 42712-64-1)
- 2-Bromo-1-(hexyloxy)-4-methylbenzene (CAS 1038734-55-2)
- (S)-Citalopram (CAS 128196-01-0)
- 6-Iodo-5-methylquinazolin-4(3H)-one (CAS 1345444-51-0)
- 1-(4-Butoxy-2-fluorophenyl)ethan-1-one (CAS 203066-86-8)
- Tegoprazan Impurity 3 (CAS 1640981-19-6)
- (4-Aminopiperidin-1-yl)(4-methoxyphenyl)methanone hydrochloride (CAS 1158473-92-7)
- 3-(methylsulfanyl)imidazo[1,5-a]pyridine-1-carboxylic acid (CAS 76259-06-8)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com