4-Chloro-3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoic acid CAS 196865-76-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 196865-76-6 |
| Molecular Formula | C11H6ClNO4 |
| Molecular Weight | 251.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoic acid (CAS 196865-76-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H6ClNO4. Molecular weight: 251.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H6ClNO4 |
| Molecular Weight | 251.62 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- Propargite (CAS 2312-35-8)
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- 3-(3-Bromophenoxy)propan-1-ol (CAS 92584-63-9)
- 5-Methoxy-2-azabicyclo[2.2.1]heptane (CAS 1422068-02-7)
- (1-benzyl-4-methylpiperidin-4-yl)methanol (CAS 878167-03-4)
- 1-(Tert-butyl) 5-methyl 1H-pyrazolo[3,4-b]pyridine-1,5-dicarboxylate (CAS 1305325-08-9)
- [Glu]17-Semaglutide (CAS CATO-CPTD788604)
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