4-(1-Hydroxy-2-naphthamido)benzoic acid CAS 439094-47-0
| CAS No. | 439094-47-0 |
| Molecular Formula | C18H13NO4 |
| Molecular Weight | 307.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(1-Hydroxy-2-naphthamido)benzoic acid (CAS 439094-47-0), a certified reference material (molecular formula C18H13NO4, MW 307.30 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H13NO4, 4-(1-Hydroxy-2-naphthamido)benzoic acid contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 307.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 4-(1-Hydroxy-2-naphthamido)benzoic 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 | C18H13NO4 |
| Molecular Weight | 307.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 2-(((3-Hydroxy-1-oxo-1H-inden-2-yl)methylene)amino)-6-methylbenzoic acid (CAS 1024126-55-3)
- 4'-Ethyl-4'-hydroxy-7',8'-dihydrospiro[[1,3]dioxolane-2,6'-pyrano[3,4-f]indolizine]-3',10'(1'H,4'H)-dione (CAS 102978-41-6)
- 1-(1-Hydroxy-4-nitronaphthalen-2-yl)-2-phenylethanone (CAS 861068-37-3)
- 2,2'-(((6-Hydroxy-8-nitroquinolin-5-yl)methyl)azanediyl)diethanol (CAS 92462-61-8)
- 4-(3-Hydroxy-2-naphthamido)benzoic acid (CAS 61504-01-6)
- Ethyl 4-hydroxy-5,6,8-trimethoxyquinoline-2-carboxylate (CAS 6046-71-5)
- Methyl 2-(3-hydroxy-3-methylbutyl)-5-nitro-2H-indazole-7-carboxylate (CAS 2412105-01-0)
- 2-Hydroxy-4-((4-methylphenyl)sulfonamido)benzoic acid (CAS 78775-31-2)
Recommended Standards
- 3-Methyl-8-nitro-1-phenyl-1,4-dihydrochromeno[4,3-c]pyrazole (CAS 654651-04-4)
- 3-Methyl-1-(4-nitrophenyl)-1,4-dihydrochromeno[4,3-c]pyrazole (CAS 654650-90-5)
- 4-(3-Nitrostyryl)benzene-1-sulfonyl fluoride (CAS 24892-97-5)
- 3-Methyl-1-(2-nitrophenyl)-1,4-dihydrochromeno[4,3-c]pyrazole (CAS 654650-92-7)
- N-(3-Methoxyphenyl)-5-methylisoxazole-4-carboxamide (CAS 61643-30-9)
- 3-Ethyl-1,3,8-triazaspiro[4.5]Decane-2,4-dione (CAS 168818-24-4)
- 153653-44-2 Cis-3-(2,2-Dichloroethenyl)-N,N-diethyl-2,2-dimethylcyclopropanecarboxamide (CAS 153653-44-2)
- (R)-1-(3-methoxy-4-methylphenyl)propan-1-amine (CAS 1259723-39-1)
- 4-Methylumbelliferyl phosphate, dilithium salt (CAS 125328-83-8)
- Deucravacitinib Impurity 7 (CAS CATO-C4X-31387)
- (2S,4S)-Ethyl 4-hydroxy-5-oxopyrrolidine-2-carboxylate (CAS 115223-51-3)
- 2-Amino-2-deoxy-D-erythronic Acid (CAS 21768-44-5)
- 6-Nitro-2,3-dihydro-1H-inden-1-amine hydrochloride (CAS 185230-66-4)
- Peptide T (CAS 106362-32-7)
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