2-((4-Nitrophenyl)thio)benzoic acid CAS 20904-30-7
| CAS No. | 20904-30-7 |
| Molecular Formula | C13H9NO4S |
| Molecular Weight | 275.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-((4-Nitrophenyl)thio)benzoic acid (CAS 20904-30-7), a certified reference material (molecular formula C13H9NO4S, MW 275.28 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H9NO4S, 2-((4-Nitrophenyl)thio)benzoic acid contains a nitrogen-containing heterocyclic scaffold, 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 275.28 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.
CATO manufactures 2-((4-Nitrophenyl)thio)benzoic acid 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 | C13H9NO4S |
| Molecular Weight | 275.28 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Nitrophenyl Standards
- (2e)-3-[5-(2-nitrophenyl)thiophen-2-yl]prop-2-enoic acid (CAS 924873-00-7)
- (6-(2-Nitrophenyl)imidazo[2,1-b]thiazol-3-yl)methanol (CAS 925437-85-0)
- 2-[(2-nitrophenyl)sulfanyl]benzoic acid (CAS 19806-43-0)
- 4-[(4-nitrophenyl)sulfanyl]benzoic acid (CAS 33174-23-1)
- 6-Methyl-1-(2-nitrophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylic acid (CAS 154777-59-0)
- 4-[(4-Nitrophenyl)sulfanyl]phenylboronic acid (CAS 2377605-69-9)
- N-(4-Nitrophenyl)benzenecarbohydrazonoyl chloride (CAS 25939-13-3)
- 2-Methyl-2-[4-(4-nitrophenyl)piperazin-1-yl]propanenitrile (CAS 256958-79-9)
Recommended Standards
- 2-((Benzo[d]oxazol-2-ylthio)methyl)-5-hydroxy-4H-pyran-4-one (CAS 730986-10-4)
- 2-(2,5-Dimethoxybenzenesulfonamido)acetic acid (CAS 781656-64-2)
- N-(2-(2-Fluorophenoxy)-4,6-dimethylpyrimidin-5-yl)acetamide (CAS 1798459-31-0)
- 2-(3,4-Dimethoxybenzenesulfonamido)acetic acid (CAS 93129-41-0)
- Tert-butyl 3-amino-3-benzylpyrrolidine-1-carboxylate (CAS 1782726-36-6)
- Azetidin-3-yl(4-fluoropiperidin-1-yl)methanone (CAS 1681019-84-0)
- 2-(1-Methylhydrazinyl)-3-nitropyridine (CAS 30963-12-3)
- Vildagliptin Impurity 48 (CAS CATO-C4X-110048)
- Finerenone Impurity 244 (CAS 13444-19-4)
- 3-(2,5-Dimethyl-1H-pyrrol-1-yl)-3-(thiophen-3-yl)propanoic acid (CAS 866019-28-5)
- 1-Phenylhexadecan-1-one (CAS 6697-12-7)
- n-(4-Fluorophenyl)-2-(p-tolyl)thiazole-4-carboxamide (CAS 400079-13-2)
- Methyl (R)-7-(3-((tert-butyldimethylsilyl)oxy)-5-oxocyclopent-1-en-1-yl)heptanoate (CAS 41138-69-6)
- a2,3-Sialylglycopeptide (CAS 189035-43-6)
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