2,3-Diphenylquinoxaline-6-carboxylic acid CAS 32387-96-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 32387-96-5 |
| Molecular Formula | C21H14N2O2 |
| Molecular Weight | 326.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Diphenylquinoxaline-6-carboxylic acid (CAS 32387-96-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H14N2O2. Molecular weight: 326.35 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H14N2O2 |
| Molecular Weight | 326.35 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
Related Diphenylquinoxaline Standards
- 2,3-Diphenylquinoxaline-5-carboxylic acid (CAS 90833-20-8)
- 2,3-Diphenylquinoxaline-6,7-dicarbonitrile (CAS 361980-89-4)
- 2,3-Diphenylquinoxaline-6-sulfonamide (CAS 380347-87-5)
- 2,3-Diphenylquinoxaline-6-carboxylic Acid 2-Hydroxyethyl Amide (CAS 332404-53-2)
- 2,3-Diphenylquinoxaline (CAS 1684-14-6)
- 5,8-Diphenylquinoxaline (CAS 919282-34-1)
Recommended Standards
- 2-Amino-10,11-dimethoxy-7,8,12b,13-tetrahydro-5H-1,3,6-triazatetraphen-5-one (CAS 685106-53-0)
- 2',3,5-Trifluoro-4''-propyl-1,1':4',1''-terphenyl (CAS 857048-78-3)
- 2-Amino-4-(2,4-dimethoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile (CAS 300838-88-4)
- Olmesartan Impurity 13 (CAS 159532-62-4)
- 3-Amino-1,1-difluorobutan-2-ol (CAS 129660-34-0)
- N-Me-Ser-OH (CAS 2480-26-4)
- 4-(5-Chloro-2-methoxy-4-methylphenyl)thiazol-2-amine hydrobromide (CAS 1049753-99-2)
- 2,5-Dihydro-2,5-dioxo-N-[2-(phenylamino)ethyl]-1H-pyrrole-1-propanamide (CAS 1018676-92-0)
- MK-4965 (CAS 920035-77-4)
- 3AEEA-Semaglutide(Endo-AEEA-Semaglutide) (CAS CATO-C4X-2226265)
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