4-Hydroxy-2-phenylquinoline-6-sulfonic acid CAS 138506-02-2
| CAS No. | 138506-02-2 |
| Molecular Formula | C15H11NO4S |
| Molecular Weight | 301.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C15H11NO4S, 4-Hydroxy-2-phenylquinoline-6-sulfonic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 301.32 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).
4-Hydroxy-2-phenylquinoline-6-sulfonic acid (CAS 138506-02-2), molecular formula C15H11NO4S and molecular weight 301.32 g/mol, is a CATO reference standard with documented purity and traceability.
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-Hydroxy-2-phenylquinoline-6-sulfonic 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 | C15H11NO4S |
| Molecular Weight | 301.32 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxy Standards
- (4-Hydroxy-1,1-dioxido-2H-benzo[e][1,2]thiazin-3-yl)(phenyl)methanone (CAS 61018-80-2)
- Ethyl 3-((2-hydroxy-3-methoxybenzyl)amino)benzoate (CAS 1232797-10-2)
- 1-Benzyl-7-hydroxy-6-methyl-8-nitro-2,3-dihydroimidazo[1,2-a]pyridin-5(1H)-one (CAS 1303510-04-4)
- 9-(3-Hydroxy-3-methylbutyl)-7-methoxyfuro[2,3-b]quinolin-4(9H)-one (CAS 18813-64-4)
- 4-Hydroxy-2-carboxy atomoxetiene (CAS 578727-55-6)
- Hydroxy Probenecid (CAS 28242-02-6)
- N-(2-hydroxy-3-(naphthalen-1-yloxy)propyl)-N-isopropylacetamide (CAS 2007-11-6)
- N-((2-Hydroxy-5-nitrophenyl)carbamoyl)benzamide (CAS 1820639-05-1)
Recommended Standards
- 1,3-Dimethyl 2-(2-amino-4-methanesulfonylphenyl)propanedioate (CAS 1373232-81-5)
- 098D179 144098-17-9 [[3-[(Dimethylamino)carbonyl]-2-pyridinyl]sulfonyl]carbamic acid ethyl ester (CAS 144098-17-9)
- 1-Phenylsulfonyl-1H-indole-4-carboxylic acid (CAS 1356470-08-0)
- 3-Methyl-N-((3-phenyl-1,2,4-oxadiazol-5-yl)methyl)-1,2,4-thiadiazole-5-carboxamide (CAS 1448052-30-9)
- 3-Iodo-4-((4-methylbenzyl)amino)benzoic acid (CAS 1131614-91-9)
- Ethyl 2-benzoyl-4-(4-bromophenyl)-4-oxobutanoate (CAS 29113-49-3)
- Benzeneacetic Acid Octadecyl Ester (CAS 70008-90-1)
- (1-methyl-1H-pyrazol-3-yl)methanamine (CAS 612511-81-6)
- 5-(((3-Chlorophenyl)thio)methylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 477866-34-5)
- Zolazepam (CAS 31352-82-6)
- N-Methylisoamylamine (CAS 4104-44-3)
- 2-(Benzylthio)-5-methyl-1,3,4-thiadiazole (CAS 42755-32-8)
- 2-((3-Aminopropyl)Amino)Ethanethiol Phosphate (CAS 89141-54-8)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
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