3-Methyl-1-naphthoic acid CAS 5774-05-0
| CAS No. | 5774-05-0 |
| Molecular Formula | C12H10O2 |
| Molecular Weight | 186.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-Methyl-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.
3-Methyl-1-naphthoic acid (CAS 5774-05-0), molecular formula C12H10O2 and molecular weight 186.21 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H10O2, 3-Methyl-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 186.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C12H10O2 |
| Molecular Weight | 186.21 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.) | 1958 |
Related Methyl Standards
- 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-Ethyl-1-naphthoic Acid (CAS 91902-58-8)
- 7-Ethyl-1-naphthoic acid (CAS 824430-41-3)
- 2-Naphthoic Acid (CAS 93-09-4)
- 4-Acetyl-1-naphthoic acid (CAS 131986-05-5)
- 4-Propyl-1-naphthoic Acid (CAS 107777-22-0)
Recommended Standards
- 3-Methoxy-6-phenylpyridazine (CAS 4578-42-1)
- 3-Methyl-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 21487-48-9)
- 3-methoxy-5-vinyl-2,7-naphthyridine (CAS 2920716-09-0)
- 3-Methoxy-2-naphthaldehyde (CAS 56679-88-0)
- 2-(Benzyloxy)-5-chlorobenzaldehyde (CAS 38544-16-0)
- 5-Ethylisoxazole-3-carbohydrazide (CAS 707536-50-3)
- 5-Bromo-2-(difluoromethoxy)benzaldehyde (CAS 329269-64-9)
- Ethyl (3-methylquinoxalin-2-yl)acetate (CAS 22712-18-1)
- 5-((Dimethylamino)methylene)-3-(p-tolyl)thiazolidin-4-one 1-oxide (CAS 338753-26-7)
- 4-Bromo-N-{[4-ethyl-5-(methylsulfanyl)-4H-1,2,4-triazol-3-yl]methyl}benzene-1-sulfonamide (CAS 338794-53-9)
- 3-Acetyl-6-bromoquinoline-4-carboxylic acid (CAS 444112-84-9)
- 2-(1H-Imidazol-4-yl)aniline (CAS 29528-27-6)
- 1-(3-Methyl-1-phenylpyrrolidin-2-ylidene)propan-2-one (CAS 775317-96-9)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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