3-((5-(5-Bromo-2-hydroxybenzylidene)-3-methyl-4-oxothiazolidin-2-ylidene)amino)benzoic acid CAS 443877-67-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 443877-67-6 |
| Molecular Formula | C18H13BrN2O4S |
| Molecular Weight | 433.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-((5-(5-Bromo-2-hydroxybenzylidene)-3-methyl-4-oxothiazolidin-2-ylidene)amino)benzoic acid (CAS 443877-67-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H13BrN2O4S. Molecular weight: 433.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H13BrN2O4S |
| Molecular Weight | 433.28 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(2,4-Dichlorobenzyl)-N-(3,5-dimethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-83-8)
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- 1-(2,4-Dichlorobenzyl)-N-(3,4-dimethoxyphenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 320419-63-4)
- 2-(2-Furyl)-1,3-oxazole-4-carboxylic acid (CAS 927800-86-0)
- N-(p-Tolyl)morpholine-3-carboxamide (CAS 1479757-96-4)
- Methylmalonic acid (dipotassium) (CAS 77939-79-8)
- 1-(2-Ethylbenzofuran-3-yl)-N-methylmethanamine (CAS 91639-76-8)
- 3-(2,2,2-Trifluoroethyl)-2,5-dihydro-1H-pyrrole hydrochloride (CAS 2493236-44-3)
- Sarpogrelate hydrochloride (CAS 135159-51-2)
- Insulin Degludec Impurity 14 (CAS CATO-C4X-215714)
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