4-(Methylthio)-2-(4,5,6,7-tetrachloro-1,3-dioxoisoindolin-2-yl)butanoic acid CAS 351436-89-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 351436-89-0 |
| Molecular Formula | C13H9Cl4NO4S |
| Molecular Weight | 417.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Methylthio)-2-(4,5,6,7-tetrachloro-1,3-dioxoisoindolin-2-yl)butanoic acid (CAS 351436-89-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H9Cl4NO4S. Molecular weight: 417.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H9Cl4NO4S |
| Molecular Weight | 417.09 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 10-(3,5-Dibromophenyl)-10H-phenoxazine (CAS 1313412-21-3)
- 6-Ethoxy-3-fluoro-2,4-bis(tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 2377609-04-4)
- Dapagliflozin Impurity 75 (CAS CATO-C4X-113875)
- (4-Fluoro-3-methoxyphenyl)methanol (CAS 128495-45-4)
- (S,Z)-7-Chloro-2-(2,2-dimethylcyclopropanecarboxamido)hept-2-enoic Acid (CAS 877674-77-6)
- 2-(4-Fluorophenyl)quinoline-8-carboxamide (CAS 655222-52-9)
- Fenvalerate (CAS 51630-58-1)
- 2-(4-Bromophenyl)-4-chloro-7,8-dihydro-5H-pyrano[4,3-d]pyrimidine (CAS 1956326-67-2)
- (3AR,4R,5S,7aS)-5-((R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy)-4-(4-fluorophenyl)octahydro-1H-isoindole (CAS 860642-68-8)
- Tirzepatide Impurity 49 (CAS CATO-C4X-324049)
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