4,4'-(((4-Sulfophenyl)azanediyl)bis(methylene))dibenzoic acid CAS 2105860-95-3
| CAS No. | 2105860-95-3 |
| Molecular Formula | C22H19NO7S |
| Molecular Weight | 441.45 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.
4,4'-(((4-Sulfophenyl)azanediyl)bis(methylene))dibenzoic acid (CAS 2105860-95-3) is a high-purity analytical reference standard with the molecular formula C22H19NO7S and a molecular weight of 441.45 g/mol.
Based on its molecular formula C22H19NO7S, 4,4'-(((4-Sulfophenyl)azanediyl)bis(methylene))dibenzoic acid 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 441.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4,4'-(((4-Sulfophenyl)azanediyl)bis(methylene))dibenzoic 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 | C22H19NO7S |
| Molecular Weight | 441.45 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Sulfophenyl Standards
- 3-[Ethyl[(4-sulfophenyl)methyl]amino]benzenesulfonic Acid (CAS 6268-04-8)
- 4,7-Bis(4-sulfophenyl)-1,10-phenanthroline disodium salt (CAS 53744-42-6)
- 8(p-​Sulfophenyl)​theophylline (CAS 80206-91-3)
- 5'-(4-Sulfophenyl)-[1,1':3',1''-terphenyl]-4,4''-disulfonic acid (CAS 343821-13-6)
- 1-(2-Methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 67939-25-7)
- 5-Oxo-1-(4-sulfophenyl)-2,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 51307-71-2)
- 5-Oxo-1-(4-Sulfophenyl)-4,5-Dihydro-1H-Pyrazole-3-Carboxylic Acid (CAS 118-47-8)
- 2-(4-sulfophenyl)acetic acid (CAS 153661-28-0)
Recommended Standards
- (4-(O-tolyl)piperazin-1-yl)(4-((5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)methanone (CAS 866154-41-8)
- R-547 (CAS 741713-40-6)
- (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(pyridin-2-ylthio)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 105120-89-6)
- Vonoprazan Fumarate Impurity 122 (CAS CATO-C4X-1020122)
- (Z)-4-((2-methoxyethyl)amino)-4-oxobut-2-enoicacid (CAS 54930-23-3)
- N'-(2,5-Dimethoxybenzylidene)-3-(3-nitrophenyl)-1H-pyrazole-5-carbohydrazide (CAS 302918-32-7)
- 2-(5-(4-Fluorophenyl)-4-oxothieno[2,3-d]pyrimidin-3(4H)-yl)acetonitrile (CAS 634162-74-6)
- 5-(4-Nitrophenoxymethyl)furan-2-carbaldehyde (CAS 438221-55-7)
- 1-(2-(2-(Ethylthio)pyridin-3-yl)piperidin-1-yl)ethan-1-one (CAS 1352507-92-6)
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- 5-Bromo-4-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 1888764-74-6)
- Polymyxin B nonapeptide (CAS 86408-36-8)
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