5,5'-(Sulfonylbis(methylene))bis(2-methoxyaniline) CAS 320338-99-6
| CAS No. | 320338-99-6 |
| Molecular Formula | C16H20N2O4S |
| Molecular Weight | 336.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 5,5'-(Sulfonylbis(methylene))bis(2-methoxyaniline) (CAS 320338-99-6), a certified reference material (molecular formula C16H20N2O4S, MW 336.41 g/mol) for analytical method development and quality control.
Structurally, 5,5'-(Sulfonylbis(methylene))bis(2-methoxyaniline) (C16H20N2O4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 336.41 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5,5'-(Sulfonylbis(methylene))bis(2-methoxyaniline) 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 | C16H20N2O4S |
| Molecular Weight | 336.41 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Sulfonylbis Standards
- 2,2'-((Sulfonylbis(4,1-phenylene))bis(oxy))diethanol (CAS 27205-03-4)
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- 2,2'-Sulfonylbis-ethanol Dimethanesulfonate (CAS 53629-52-0)
- 3,3'-Sulfonylbis(nitrobenzene) (CAS 1228-53-1)
Recommended Standards
- 5-(3,6-Dimethyl-1-phenyl-1h-pyrazolo[3,4-b]pyridin-4-yl)-4-methyl-4h-1,2,4-triazole-3-thiol (CAS 937598-46-4)
- 6-(4-Methoxyphenyl)-5-methyl-3-(thiophen-3-yl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 685109-45-9)
- 5-((2-Morpholinoethyl)amino)naphthalene-1-sulfonic acid (CAS 824413-73-2)
- 6-(sec-Butoxy)-2-((3,5-dimethylphenyl)sulfonyl)pyrimidin-4(3H)-one (CAS 284681-78-3)
- N-[(Thiophen-2-yl)methyl]-4-(2,2,2-trifluoroethoxy)benzamide (CAS 866153-62-0)
- (R)-3-Phenylisobenzofuran-1(3H)-one (CAS 87481-14-9)
- 6-(Difluoromethyl)-2-((5-formyl-2-methoxybenzyl)thio)-4-phenylnicotinonitrile (CAS 445260-24-2)
- N4,N4-Bis(3-methylbenzyl)pyrimidine-4,6-dicarboxamide (CAS 544678-82-2)
- 2,6-Bis(octyloxy)benzaldehyde (CAS 1175455-04-5)
- 2-(Chloromethyl)-5-methoxypyrazine (CAS 1196156-90-7)
- 15-Acetyl-Deoxynivalenol-13C17 (CAS CATO-CCFD201017)
- (PB-7-11-2344'3')-Dichloro[(4aS,13aS,17aS,21aS)-1,2,3,4,4a,5,6,12,13,13a,14,15,16,17,17a,18,19,20,21,21a-eicosahydro-11,7-nitrilo-7H-dibenzo[b,h][1,4,7,10]tetraazacycloheptadecine-κN5,κN13,κN18,κN21,κN22]manganese (CAS 435327-40-5)
- 1,3-Bis((2,2-dimethyl-1,3-dioxolan-4-yl)methyl)urea (CAS 159390-20-2)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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