3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonic acid CAS 483-20-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 483-20-5 |
| Molecular Formula | C16H10N2O8S2 |
| Molecular Weight | 422.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonic acid (CAS 483-20-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H10N2O8S2. Molecular weight: 422.39 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H10N2O8S2 |
| Molecular Weight | 422.39 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related dioxo Standards
- 4-{16,18-dioxo-17-azapentacyclo[6.6.5.0^{2,7}.0^{9,14}.0^{15,19}]nonadeca-2,4,6,9(14),10,12-hexaen-17-yl}-N-ethylbenzamide (CAS 861209-01-0)
- 7-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)-N-(2,2,2-trichloro-1-hydroxyethyl)heptanamide (CAS 1803571-70-1)
- N-(2,4-Dioxo-3-(3-(4-phenylpiperazin-1-yl)propyl)-1,2,3,4-tetrahydroquinazolin-6-yl)acetamide maleate (CAS 4052-22-6)
- 2,5-Dioxo-1-((5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoyl)oxy)pyrrolidine-3-sulfonic acid (CAS 190598-55-1)
- 3-(2-(2-[2-(1,3-DIoxo-1,3-dihydro-isoindol-2-yloxy)-ethoxy]-ethoxy)-ethoxy)-propionic acid tert-butyl ester (CAS 1807530-13-7)
- 4-(((1,3-Dioxo-1,3-dihydro-2H-inden-2-ylidene)methyl)amino)-N-(4-methylpyrimidin-2-yl)benzenesulfonamide (CAS 418805-41-1)
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Recommended Standards
- 3-((2,6-Dichlorobenzyl)thio)-N-(3,4-dimethylphenyl)thiophene-2-carboxamide (CAS 251097-40-2)
- 3-{2-[(1Z)-2-(2,4-dinitrophenyl)cyclohexylidene]hydrazin-1-yl}-1,2-dihydroquinoxalin-2-one (CAS 672949-63-2)
- 2-{[(2,6-dichlorophenyl)methyl]sulfanyl}-N-methyl-6-[(phenylsulfanyl)methyl]pyrimidin-4-amine (CAS 341965-39-7)
- N-(2-Chlorophenyl)-2,5-diphenylisoxazolidine-3-carboxamide (CAS 62513-19-3)
- 3-Bromo-5-isopropylphenylboronic acid pinacol ester (CAS 1392146-18-7)
- 2-Amino-4-(3-fluoro-4-phenoxyphenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carbonitrile (CAS 896623-65-7)
- Bis(4-fluorophenyl)-1,2-oxazol-5-amine (CAS 1096934-22-3)
- Amlodipine Impurity 14 (CAS 1821498-25-2)
- 4-((Furan-2-ylmethyl)thio)-3-nitrobenzaldehyde (CAS 175278-53-2)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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 13829788188 / jacky.chen@cato-chem.com