Ethyl 2,3-dioxoindoline-6-carboxylate CAS 1263282-64-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1263282-64-9 |
| Molecular Formula | C11H9NO4 |
| Molecular Weight | 219.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
Ethyl 2,3-dioxoindoline-6-carboxylate (CAS 1263282-64-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H9NO4. Molecular weight: 219.19 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-(4-(Isoxazol-5-yl)phenoxy)acetic acid (CAS 1263216-42-7)
- 6-(Trifluoromethyl)thiazolo[4,5-c]pyridin-2-amine (CAS 1266118-94-8)
- 1-Cyano-6-(difluoromethoxy)naphthalene (CAS 1261660-37-0)
- Diethyl 2-(((6-aminopyridin-2-yl)amino)methylene)malonate (CAS 33007-33-9)
- 6-Bromo-2',3',5',6'-tetrahydrospiro[chromane-2,4'-pyran]-4-one (CAS 1212017-98-5)
- 6-Bromo-4-chloroquinazolin-2-amine (CAS 1260862-26-7)
- 2-{tetramethyl-1h-pyrazolo[3,4-b]pyridin-5-yl}acetic acid (CAS 926249-18-5)
- rel-Isopropyl (1R,3R,5S,6R)-5-hydroxybicyclo[4.1.0]heptane-3-carboxylate (CAS 2570276-62-7)
- 4-(5,6,7,8-Tetrahydropyrido[4,3-d]pyrimidin-2-yl)morpholine (CAS 929973-62-6)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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