Chromeno[4,3-c]pyrazol-2(4H)-yl(4-nitrophenyl)methanone CAS 866051-34-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 866051-34-5 |
| Molecular Formula | C17H11N3O4 |
| Molecular Weight | 321.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Chromeno[4,3-c]pyrazol-2(4H)-yl(4-nitrophenyl)methanone (CAS 866051-34-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H11N3O4. Molecular weight: 321.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C17H11N3O4 |
| Molecular Weight | 321.29 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
Related Chromeno Standards
- 2-({5H-chromeno[4,3-d]pyrimidin-2-yl}(methyl)amino)acetic acid (CAS 176717-37-6)
- 1-(4H-chromeno[4,3-d]thiazol-2-yl)-4-(4-methoxyphenyl)-1H-pyrazol-5-amine (CAS 955962-19-3)
- 6H-chromeno[4,3-d]pyrazolo[1,5-a]pyrimidine-11-carbonitrile (CAS 865659-95-6)
- 2-(Chromeno[4,3-c]pyrazol-1(4H)-yl)acetic acid (CAS 1280694-94-1)
- Methyl chromeno[4,3-c]pyrazole-2(4H)-carboxylate (CAS 866135-90-2)
- 5H-chromeno[4,3-d]pyrimidin-2-amine (CAS 109466-23-1)
- 5H-Chromeno[3,4-c]pyridin-8-amine (CAS 1622889-76-2)
- 10H-Chromeno[3,2-b]pyridin-10-one (CAS 54629-31-1)
Recommended Standards
- 5-((1H-Benzo[d][1,2,3]triazol-1-yl)methyl)-3-(3-nitrophenyl)isoxazole (CAS 305860-82-6)
- Diacetylbiopterin (CAS 62933-57-7)
- 4-amino-a-(3-amino-3-oxopropyl)1,3-dihydro-1-oxo-2H-Isoindole-2-aceticacidmethylester (CAS 878782-79-7)
- 1,5-Dibromo-4,8-dimethoxynaphthalene (CAS 88818-38-6)
- Methyl 4-(3-piperidinylmethoxy)benzoatehydrochloride (CAS 1219972-65-2)
- 2-Chloroquinazoline-4-carbaldehyde (CAS 944903-02-0)
- Methyl 4-amino-3-(4-chlorophenyl)butanoate (CAS 446053-47-0)
- 4-Ethynyl-1-fluoro-2-nitrobenzene (CAS 1211528-74-3)
- 5-Nitro-6-phenoxyimidazo[2,1-b]thiazole (CAS 339008-03-6)
- Liraglutide Impurity 21 TFA Salt (CAS CATO-C4X-199221)
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