6,6'-(Hexane-1,6-diylbis(sulfanediyl))bis(3-nitrobenzaldehyde) CAS 329778-05-4
| CAS No. | 329778-05-4 |
| Molecular Formula | C20H20N2O6S2 |
| Molecular Weight | 448.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6,6'-(Hexane-1,6-diylbis(sulfanediyl))bis(3-nitrobenzaldehyde) (CAS 329778-05-4), molecular formula C20H20N2O6S2 and molecular weight 448.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H20N2O6S2, 6,6'-(Hexane-1,6-diylbis(sulfanediyl))bis(3-nitrobenzaldehyde) 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 448.51 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.
As a certified reference material (CRM), 6,6'-(Hexane-1,6-diylbis(sulfanediyl))bis(3-nitrobenzaldehyde) 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 | C20H20N2O6S2 |
| Molecular Weight | 448.51 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Hexane Standards
- 3,3'-(Hexane-1,6-diylbis(azanylylidene))bis(2,3-dihydrobenzo[d]isothiazole 1,1-dioxide) (CAS 7668-19-1)
- 1,1'-(Hexane-1,6-diyl)bis(3-(2-nitrophenyl)urea) (CAS 2419249-92-4)
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- 2,2'-(Hexane-1,6-diylbis(sulfanediyl))bis(N-(4-chlorophenyl)acetamide) (CAS 882083-22-9)
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Recommended Standards
- 4,4'-(2,2-Bis(4-methoxyphenyl)ethene-1,1-diyl)dibenzaldehyde (CAS 2165348-28-5)
- 8,8'-((((Oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl))bis(oxy))diquinoline (CAS 57310-75-5)
- 4-(3,4-Dimethoxyphenyl)-N-(2-methoxyphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxamide (CAS 494195-81-2)
- Benzyl 2-O-Benzyl-4,6-O-benzylidene-α-D-mannopyranoside (CAS 40983-95-7)
- 2-(5-Cyano-2,3-dihydro-1H-indol-3-yl)acetic acid (CAS 316364-36-0)
- 1-(2,6-Dichlorophenyl)-3-(4-(methylthio)phenyl)propan-1-one (CAS 898781-85-6)
- 1-[1-(thiophen-2-yl)ethyl]piperazine 521263-96-7 NS-01951 (CAS 521263-96-7)
- 4-methoxy-2-(pyridin-3-ylmethoxy)benzaldehyde (CAS 1151539-16-0)
- 4-Bromo-2-chlorobenzonitrile (CAS 154607-01-9)
- 3-iodo-2H-pyrazolo[3,4-d]pyrimidine (CAS 1414357-61-1)
- 6-Carboxyfluorescein 3,6-Diacetate N-Succinimidyl Ester (CAS 150206-15-8)
- methyl 1-((2R,3R,4R,5R)-4-hydroxy-3-methoxy-5-(methoxymethyl)tetrahydrofuran-2-yl)-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 60197-31-1)
- 2,5-Dichloro-N-(2-((3-cyano-4,6-dimethylpyridin-2-yl)thio)phenyl)benzenesulfonamide (CAS 478033-64-6)
- Semaglutide impurity 25 (CAS CATO-C4X-222625)
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