4-(3,6-Bis(dimethylamino)xanthylium-9-yl)-3-carboxy-2,5-dichlorobenzoate CAS 198546-47-3
| CAS No. | 198546-47-3 |
| Molecular Formula | C25H20Cl2N2O5 |
| Molecular Weight | 499.34 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.
CATO supplies 4-(3,6-Bis(dimethylamino)xanthylium-9-yl)-3-carboxy-2,5-dichlorobenzoate (CAS 198546-47-3), a certified reference material (molecular formula C25H20Cl2N2O5, MW 499.34 g/mol) for analytical method development and quality control.
4-(3,6-Bis(dimethylamino)xanthylium-9-yl)-3-carboxy-2,5-dichlorobenzoate (C25H20Cl2N2O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 4-(3,6-Bis(dimethylamino)xanthylium-9-yl)-3-carboxy-2,5-dichlorobenzoate 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 | C25H20Cl2N2O5 |
| Molecular Weight | 499.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Bis Standards
- 2-(3,6-Bis(dimethylamino)xanthylium-9-yl)-4-carboxy-3,6-dichlorobenzoate (CAS 407581-83-3)
- 4-((6-(Dimethylamino)-1-(4-fluorophenyl)-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)carbamoyl)-1,2-phenylene diacetate (CAS 176379-21-8)
- 2,4-Bis(dimethylamino)-1,3-bis(3-(trifluoromethyl)phenyl)-1,3,2,4-diazadiphosphetidine 2,4-dioxide (CAS 646506-43-6)
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- (3-(5-(Dimethylamino)-6-iodonaphthalene-1-sulfonamido)phenyl)boronic acid (CAS 147353-58-0)
- (Z)-3-(((4-((Dimethylamino)methyl)phenyl)amino)(phenyl)methylene)-6-iodoindolin-2-one (CAS 1537909-08-2)
- 2-((3-(3-(Dimethylamino)propyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)-N-(4-(p-tolyl)thiazol-2-yl)acetamide (CAS 794573-93-6)
- Ethyl 2-(4-(dimethylamino)benzylidene)-7-methyl-5-(4-(methylthio)phenyl)-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 351516-96-6)
Recommended Standards
- 5-(3,4-Dichlorophenyl)-4-(3,4-dimethoxybenzoyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1H-pyrrol-2(5H)-one (CAS 618080-47-0)
- (2,6-Bis[(2-ethylphenylimino)ethyl]pyridine)cobalt dichloride (CAS 590367-44-5)
- N-Nitroso Nicergoline Impurity 24 (CAS CATO-C4X-208524)
- N-{3-Chloro-4-[(4-chlorobenzyl)sulphonyl]phenyl}-N'-(2,6-difluorobenzoyl)urea 80< (CAS 685114-18-5)
- 2-(Methylsulfanyl)-1-[4-(trifluoromethyl)phenyl]ethan-1-one (CAS 136067-94-2)
- Methyl 3-(2-amino-4-bromophenoxy)benzoate (CAS 946743-51-7)
- 1,5-Difluorobicyclo[3.3.1]Nonane (CAS 177483-89-5)
- 4-Chloro-3'-(trifluoromethoxy)-[1,1'-biphenyl]-3-ol (CAS 1261512-80-4)
- 2-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-4,6-diphenylnicotinonitrile (CAS 94360-91-5)
- 2-(Difluoromethyl)-3-iodopyridine-4-acetic acid (CAS 1805280-44-7)
- 1,2,4-Trichloro-5-(trifluoromethoxy)benzene (CAS 63165-10-6)
- 1-(2-Chloropyridin-4-yl)-2,2-dimethylpropan-1-one (CAS 898785-55-2)
- Granisetron Impurity 12 (CAS 106649-02-9)
- Semaglutide Impurity 123 (CAS 71997-93-8)
Why CATO?
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