7-Ethyl-1-naphthoic acid CAS 824430-41-3
| CAS No. | 824430-41-3 |
| Molecular Formula | C13H12O2 |
| Molecular Weight | 200.23 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 7-Ethyl-1-naphthoic acid.
7-Ethyl-1-naphthoic acid (CAS 824430-41-3), molecular formula C13H12O2 and molecular weight 200.23 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H12O2, 7-Ethyl-1-naphthoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 200.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 7-Ethyl-1-naphthoic acid 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 | C13H12O2 |
| Molecular Weight | 200.23 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
Related Ethyl Standards
- 4-Ethyl-1-naphthoic Acid (CAS 91902-58-8)
- 4-Acetyl-1-naphthoic acid (CAS 131986-05-5)
- 3-Methyl-1-naphthoic acid (CAS 5774-05-0)
- 3-Methyl-2-naphthoic acid (CAS 39110-32-2)
- 6-Methyl-1-naphthoic Acid (CAS 6315-19-1)
- 7-Methyl-2-naphthoic acid (CAS 5159-64-8)
- 4-Propyl-1-naphthoic Acid (CAS 107777-22-0)
- 2-Naphthoic Acid (CAS 93-09-4)
Recommended Standards
- 6-methoxybenzofuran-3-carboxylic acid (CAS 29822-97-7)
- 8-hydroxy-1,6-naphthyridine-7-carboxylic acid (CAS 410542-70-0)
- 6-Methoxy-5-methyl-2-naphthaldehyde (CAS 5665-07-6)
- 8-Methoxy-1,4-dioxaspiro[4.5]decane-8-carbaldehyde (CAS 2882106-39-8)
- Methyl 5-(aminomethyl)-1H-pyrrole-2-carboxylate (CAS 263382-27-0)
- Ethyl 2-methyl-4-(trifluoromethyl)benzoate (CAS 256232-92-5)
- 1,3-Difluoro-5-ethoxy-2-nitrobenzene (CAS 1803846-34-5)
- n-(1-Methoxypropan-2-yl)-4-methylpyridin-3-amine (CAS 1342216-47-0)
- 3-(6-Chloro-4-trifluoromethyl-pyridin-2-yl)-benzoic acid methyl ester (CAS 1311279-21-6)
- 3-Methyl-3,8-diazabicyclo[4.2.0]octane2,2,2-trifluoroacetate (CAS 2173083-55-9)
- 4-(4-Chlorophenyl)isoquinoline (CAS 1024438-75-2)
- 3-Ethylquinoline (CAS 1873-54-7)
- 1-(2-Fluorophenyl)-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid (CAS 618382-82-4)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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