2,2'-(Ethane-1,2-diylbis(sulfanediyl))bis(N-(3,4-dichlorophenyl)acetamide) CAS 303091-45-4
| CAS No. | 303091-45-4 |
| Molecular Formula | C18H16Cl4N2O2S2 |
| Molecular Weight | 498.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H16Cl4N2O2S2, 2,2'-(Ethane-1,2-diylbis(sulfanediyl))bis(N-(3,4-dichlorophenyl)acetamide) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 498.27 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.
2,2'-(Ethane-1,2-diylbis(sulfanediyl))bis(N-(3,4-dichlorophenyl)acetamide) (CAS 303091-45-4), molecular formula C18H16Cl4N2O2S2 and molecular weight 498.27 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,2'-(Ethane-1,2-diylbis(sulfanediyl))bis(N-(3,4-dichlorophenyl)acetamide) 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 | C18H16Cl4N2O2S2 |
| Molecular Weight | 498.27 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Ethane Standards
- 2,2',2'',2'''-(((Ethane-1,2-diylbis(oxy))bis(4-fluoro-2,1-phenylene))bis(azanetriyl))tetraacetic acid (CAS 85233-22-3)
- 2,2'-(Ethane-1,2-diylbis(oxy))bis(N,N-diphenylacetamide) (CAS 43133-08-0)
- 3,3'-(ethane-1,2-diylbis(sulfanediyl))bis(1-(2,6,6-trimethylcyclohex-1-en-1-yl)butan-1-one) (CAS CATO-C3D-262391)
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- 57368-07-7 2,2'-(Ethane-1,2-diyldiimino)bis((2-hydroxy-5-sulfophenyl)acetic acid) EC 611-514-5 (CAS 57368-07-7)
- 3,3'-(ethane-1,2-diylbis(sulfanediyl))bis(1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)butan-1-one) (CAS CATO-C3D-262390)
- (((Ethane-1,2-diylbis(azanediyl))bis(methylene))bis(5-hydroxy-6-methylpyridine-4,3-diyl))bis(methylene) bis(dihydrogen phosphate) (CAS 113260-19-8)
- 5,5',5''-(Ethane-1,1,1-triyl)tris(2-heptylfuran) (CAS 87688-74-2)
Recommended Standards
- Dipyrazino[2,3-f:2',3'-h]quinoxalinehexacarboxylic acid (CAS 105598-29-6)
- (2R,3R,4S,5R)-2-(6-((4-Amino-3-iodobenzyl)amino)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 98866-49-0)
- Methyl 7-bromo-8-(1-methoxycyclohexyl)-2-oxo-2H-selenopheno[3,2-h]chromene-3-carboxylate (CAS 2173398-10-0)
- (2R,3S,4R,5R)-2-(Acetoxymethyl)-6-bromo-5-(1,3-dioxoisoindolin-2-yl)tetrahydro-2H-pyran-3,4-diyl diacetate (CAS 70831-94-6)
- 2-(Chloromethyl)-6-(difluoromethyl)-4-hydroxy-3-methylpyridine (CAS 1805200-39-8)
- 2-Cyanopropane-2-sulfinic chloride (CAS 56630-18-3)
- 2-Bromo-4,6-difluorobenzenethiol (CAS 1208076-63-4)
- Mirogabalin Impurity 123 (CAS 88557-03-3)
- n-Propylpiperidine-1-sulfonamide (CAS 1094460-18-0)
- Picfeltarraenin Ia (CAS 97230-47-2)
- (2E)-3-phenyl-2-thien-2-ylacrylic acid (CAS 104314-03-6)
- (2R,3R,4S,5R)-5-(2-Chloro-6-methoxy-9H-purin-9-yl)-4-fluoro-2-(hydroxymethyl)tetrahydrofuran-3-ol (CAS 758705-70-3)
- 2-Iodo-1H-benzo[d]imidazole (CAS 27692-04-2)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
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