Ethyl 3-formyl-5-nitro-1H-indole-2-carboxylate CAS 22120-89-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 22120-89-4 |
| Molecular Formula | C12H10N2O5 |
| Molecular Weight | 262.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 3-formyl-5-nitro-1H-indole-2-carboxylate (CAS 22120-89-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10N2O5. Molecular weight: 262.22 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10N2O5 |
| Molecular Weight | 262.22 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- Ethyl 3-formyl-7-nitro-1H-indole-2-carboxylate (CAS 885273-53-0)
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- 2-Formyl-6-methoxyphenyl thiophene-2-carboxylate (CAS 405901-72-6)
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Recommended Standards
- Ethyl 2-cyano-2-(2-(2-nitrophenyl)hydrazono)acetate (CAS 30006-51-0)
- Ethyl 2-(6-Nitro-3-indolyl)-2-oxoacetate (CAS 91974-32-2)
- Ethyl 4-nitro-3-phenylisoxazole-5-carboxylate (CAS 99934-18-6)
- 4-Bromo-7-fluoro-3-hydroxyindoline (CAS 1779123-84-0)
- Acuminatanol (CAS 948884-38-6)
- 4-Bromo-5-chloro-2-fluorobenzaldehyde (CAS 1603584-72-0)
- 3,5-Bis(trifluoromethyl)benzamidoxime (CAS 72111-09-2)
- 4,4-Dimethyl-1,2,3,4-tetrahydronaphthalen-1-amine hydrochloride (CAS 936220-69-8)
- Ethyl 4-(4-chlorophenyl)-2-[(cyanoacetyl)amino]-thiophene-3-carboxylate (CAS 547706-71-8)
- Semaglutide impurity 27 (CAS CATO-C4X-222627)
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