6,6-(Ethene-1,2-diyl)bis-(3-nitrobenzenesulfonic acid) CAS 128-42-7
| CAS No. | 128-42-7 |
| Molecular Formula | C14H10N2O10S2 |
| Molecular Weight | 430.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,6-(Ethene-1,2-diyl)bis-(3-nitrobenzenesulfonic acid) (C14H10N2O10S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
6,6-(Ethene-1,2-diyl)bis-(3-nitrobenzenesulfonic acid) (CAS 128-42-7) is a high-purity analytical reference standard with the molecular formula C14H10N2O10S2 and a molecular weight of 430.37 g/mol.
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.
As a certified reference material (CRM), 6,6-(Ethene-1,2-diyl)bis-(3-nitrobenzenesulfonic acid) 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 | C14H10N2O10S2 |
| Molecular Weight | 430.37 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Ethene Standards
- 4,4',4'',4'''-(Ethene-1,1,2,2-tetrayl)tetrabenzaldehyde (CAS 2170451-48-4)
- 6,6'-(Ethene-1,2-diyl)bis(3-isothiocyanatobenzenesulfonic acid) (CAS 53005-05-3)
- (E)-6,6'-(ethene-1,2-diyl)bis(3-hydrazinylbenzenesulfonic acid) (CAS 26092-49-9)
- 4,4',4'',4'''-(Ethene-1,1,2,2-tetrayl)tetrakis(benzene-1,2-diol) (CAS 2248462-00-0)
- Ethene-1,1-diylbis(diphenylphosphine) (CAS 84494-89-3)
- 4,4',4'',4'''-(Ethene-1,1,2,2-tetrayl)tetraaniline (CAS 78525-34-5)
- 4,4'-(Ethene-1,2-diyl)bis(N-(3-hydroxypropyl)benzamide) (CAS 252025-40-4)
- (E)-5,5'-(Ethene-1,2-diyl)diisophthalic acid (CAS 1025726-44-6)
Recommended Standards
- (S)-Bicalutamide (CAS 113299-38-0)
- 2,6-Anthracenedisulfonic acid, 4,8-diamino-9,10-dihydro-1,5-dihydroxy-9,10-dioxo- (CAS 128-86-9)
- N-[4-(2,4-Dichlorophenoxy)butyl]-3-(phenethyloxy)aniline (CAS 1040681-95-5)
- [(2R,3R,4R,5R,6S)-3,4,6-triacetoxy-5-[(2-azidoacetyl)amino]tetrahydropyran-2-yl]methyl acetate (CAS 1404472-50-9)
- N-Benzyl-6-hydroxy-4-methoxybenzofuran-5-carboxamide (CAS 88258-53-1)
- n-[4-(4-tert-butylphenyl)-1,3-thiazol-2-yl]-4-(morpholine-4-sulfonyl)benzamide (CAS 380453-39-4)
- (2s,5s)-1-Benzyl-5-(methoxycarbonyl)pyrrolidine-2-carboxylic acid (CAS 111138-50-2)
- 3-[[[3,5-Bis(trifluoromethyl)phenyl]methyl]amino]-4-methoxy-3-cyclobutene-1,2-dione (CAS 1073917-05-1)
- 2-(1H-Indol-5-yl)ethanamine (CAS 21005-60-7)
- 1-Benzylpiperidine-2-carboxylic Acid (CAS 21319-53-9)
- (4-Isopropylphenyl)(3-methylpyridin-2-yl)methanone (CAS 1187170-89-3)
- 1-(2-Fluorophenyl)tetrahydro-1H-thieno[3,4-d]imidazole-2(3H)-thione 5,5-dioxide (CAS 887833-76-3)
- 2-Chloro-4-(3-methylureido)benzenesulfonyl chloride (CAS 680617-80-5)
- Neuropeptide Y (22-36) (CAS 119019-65-7)
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