4-[2-[3-[2-(2,4-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt CAS 6371-84-2
| CAS No. | 6371-84-2 |
| Molecular Formula | C20H17N4O5S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 448.43 g/mol gives 4-[2-[3-[2-(2,4-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-[2-[3-[2-(2,4-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt (CAS 6371-84-2), molecular formula C20H17N4O5SNa and molecular weight 448.43 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H17N4O5SNa, 4-[2-[3-[2-(2,4-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt 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 448.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-[2-[3-[2-(2,4-Dimethylphenyl)diazenyl]-2,4-dihydroxyphenyl]diazenyl]-benzenesulfonic Acid Sodium Salt 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 | C20H17N4O5S Na |
| Molecular Weight | 448.43 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dimethylphenyl Standards
- 3-(2,6-Dimethylphenyl)propan-1-ol (CAS 1000519-20-9)
- Ethyl 2-(3,5-dimethylphenyl)-2-oxoacetate (CAS 100117-62-2)
- N-(3,5-Dimethylphenyl)-2-{[5-(4-ethylphenyl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide (CAS 1001478-90-5)
- 1-((2,5-Dimethylphenyl)sulfonyl)-3-methyl-1H-pyrazole (CAS 1002513-67-8)
- (2E)-1-(2,4-Dimethylphenyl)-3-(4-fluorophenyl)prop-2-en-1-one (CAS 1002898-03-4)
- (2E)-1-(2,4-Dimethylphenyl)-3-(3-fluorophenyl)prop-2-en-1-one (CAS 1002898-11-4)
- (2E)-1-(2,4-Dimethylphenyl)-3-(5-methylthiophen-2-yl)prop-2-en-1-one (CAS 1002898-30-7)
- 1-(2,4-Dimethylphenyl)-3-phenyl-1H-pyrazole-5(4H)-one (CAS 1003751-09-4)
Recommended Standards
- Dimethyl 3-(Boc-amino)pentanedioate (CAS 82803-55-2)
- 1-(Benzenesulfonyl)butan-2-amine (CAS 1017140-16-7)
- 2-(2-Chlorophenyl)-3,3,3-trifluoro-1-propanol (CAS 1379347-85-9)
- 2-Bromo-3-ethoxy-6-iodopyridine (CAS 1569087-20-2)
- (4-(P-tolyloxy)phenyl)boronic acid (CAS 1029438-40-1)
- 5-Cyclopropoxy-N3,N3,N4-trimethylpyridine-3,4-diamine (CAS 1243286-15-8)
- 2-(Thiophen-3-yl)-1,3-thiazole-4-carbaldehyde (CAS 1184003-54-0)
- 3-Formyl-5-iodobenzenesulfonyl chloride (CAS 1393562-87-2)
- 4-nitro-2-(1H-1,2,3,4-tetrazol-1-yl)phenol (CAS 332163-15-2)
- Amyloid Precursor Frameshift Mutant C-Terminal Peptide trifluoroacetate salt (CAS 189125-14-2)
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