Dimethyl 5-Cyanoisophthalate CAS 23340-69-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 23340-69-4 |
| Molecular Formula | C11H9NO4 |
| Molecular Weight | 219.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Dimethyl 5-Cyanoisophthalate (CAS 23340-69-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H9NO4. Molecular weight: 219.19 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H9NO4 |
| Molecular Weight | 219.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Ethyl 1-oxo-1H-pyrano[3,4-c]pyridine-3-carboxylate (CAS 58790-51-5)
- Ethyl 2,3-dioxoindoline-4-carboxylate (CAS 222036-94-4)
- Ethyl 2,3-dioxoindoline-5-carboxylate (CAS 25128-38-5)
- 5-Bromo-2-methylisonicotinic acid (CAS 1060810-16-3)
- 2-(1-Methyl-1H-pyrazol-3-yl)aniline (CAS 87488-80-0)
- Indapamide Impurity 33 (CAS 22160-13-0)
- 2-(2,5-Dioxo-1-propylimidazolidin-4-yl)acetic acid (CAS 1008961-08-7)
- 4-methylthiophen-3-amine hydrochloride (CAS 24030-00-0)
- 4,4',4"-Boranetriyltris(2,3,5,6-tetramethylbenzoic acid) (CAS 1358822-48-6)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
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