5-(4-(Diphenylamino)phenyl)thiophene-2-carbaldehyde CAS 291279-14-6
| CAS No. | 291279-14-6 |
| Molecular Formula | C23H17NOS |
| Molecular Weight | 355.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-(4-(Diphenylamino)phenyl)thiophene-2-carbaldehyde 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.
5-(4-(Diphenylamino)phenyl)thiophene-2-carbaldehyde (CAS 291279-14-6), molecular formula C23H17NOS and molecular weight 355.45 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 5-(4-(Diphenylamino)phenyl)thiophene-2-carbaldehyde is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 355.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C23H17NOS |
| Molecular Weight | 355.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Diphenylamino Standards
- 2-(4'-(Diphenylamino)-[1,1'-biphenyl]-4-yl)acetonitrile (CAS 1000504-19-7)
- 4'-(Diphenylamino)-[1,1'-biphenyl]-4-carbaldehyde (CAS 133878-93-0)
- 1'-(Diphenylamino)-[1,1'-bi(cyclohexan)]-2-one (CAS 140679-53-4)
- 2-(4-(Diphenylamino)phenyl)ethene-1,1,2-tricarbonitrile (CAS 59223-16-4)
- 2-(Diphenylamino)-2-oxoethyl 4-aminobenzoate (CAS 931213-15-9)
- (4'-(Diphenylamino)-[1,1'-biphenyl]-4-yl)boronic acid (CAS 668493-36-5)
- 2-(Diphenylamino)phenyl benzoate (CAS 61283-97-4)
- 4'-(Diphenylamino)-3-hydroxy-[1,1'-biphenyl]-4-carbaldehyde (CAS 2363049-63-0)
Recommended Standards
- 4-(Diethylamino)-N-(4-(5-methylfuran-2-yl)thiazol-2-yl)benzamide (CAS 361173-80-0)
- Ethyl 2-cinnamamido-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate (CAS 76981-77-6)
- 4-(2-Ethoxyphenyl)-5-((4-ethylphenoxy)methyl)-4H-1,2,4-triazole-3-thiol (CAS 917748-21-1)
- N-((1-Ethylpyrrolidin-2-yl)methyl)-2-methoxy-5-(N-methylsulfamoyl)benzamide (CAS 51489-20-4)
- Methyl 6-(aminomethyl)-4-methylpicolinate (CAS 1393534-76-3)
- N-(thiophen-3-ylmethyl)isobutyramide (CAS 1058491-60-3)
- (E)-3-(but-2-en-1-yl)dihydrofuran-2,5-dione (CAS 7538-42-3)
- 1-(3-Methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanone (CAS 1246560-12-2)
- 4-Acetyl-5-hydroxypicolinic acid (CAS 1393569-56-6)
- Methyl 3-amino-5-chloro-2-fluorobenzoate (CAS 1269421-13-7)
- (2S,3S,4S,5R,6S)-3,4,5,6-tetrahydroxytetrahydro-2H-pyran-2-carboxylic acid (CAS 70021-34-0)
- 7-Azaspiro[3.5]nonan-2-ol (CAS 784137-09-3)
- Tert-butyl N6-((benzyloxy)carbonyl)-L-lysinate (CAS 63628-63-7)
- Liraglutide Impurity 31 (CAS CATO-C4X-199231)
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