3-Methyl-4-((5-nitrofuran-2-yl)methyl)-1-phenyl-1H-pyrazol-5(4H)-one CAS 71188-80-2
| CAS No. | 71188-80-2 |
| Molecular Formula | C15H13N3O4 |
| Molecular Weight | 299.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Methyl-4-((5-nitrofuran-2-yl)methyl)-1-phenyl-1H-pyrazol-5(4H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3-Methyl-4-((5-nitrofuran-2-yl)methyl)-1-phenyl-1H-pyrazol-5(4H)-one (CAS 71188-80-2), molecular formula C15H13N3O4 and molecular weight 299.28 g/mol, is a CATO reference standard with documented purity and traceability.
3-Methyl-4-((5-nitrofuran-2-yl)methyl)-1-phenyl-1H-pyrazol-5(4H)-one (C15H13N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H13N3O4 |
| Molecular Weight | 299.28 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 3-(5-Nitrofuran-2-yl)-1-phenyl-1H-pyrazole-4-carboxylic acid (CAS 61620-93-7)
- N-(4-(3-(5-Nitrofuran-2-yl)acryloyl)phenyl)acetamide (CAS 63421-89-6)
- 6-Methyl-2-(5-nitrofuran-2-yl)quinoline-4-carboxylic acid (CAS 116761-66-1)
- 2-Methyl-3-(5-nitrofuran-2-carbonyl)indolizine-1-carbaldehyde (CAS 885457-18-1)
- 3-(5-Nitrofuran-2-yl)-1-phenyl-1H-pyrazole-4-carboxamide (CAS 61620-82-4)
- (5-Nitrofuran-2-yl)methyl cyclohexylcarbamodithioate (CAS 57905-51-8)
- 3-(5-Nitrofuran-2-yl)-1-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 61619-78-1)
- 2-(5-(2-(5-Nitrofuran-2-yl)vinyl)furan-2-yl)aniline (CAS 62144-39-2)
Recommended Standards
- 3-fluoro-4'-iodobenzophenone (CAS 890098-27-8)
- 4-(2,4-Difluorophenyl)-3,4-dihydrobenzo[4,5]imidazo[1,2-a][1,3,5]triazin-2-amine (CAS 930989-63-2)
- 3-[6-(azidomethyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2866306-90-1)
- 4-(4-Methoxyphenoxy)-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 860610-38-4)
- 3-[1-(2-carboxyethyl)cyclopropyl]propanoic acid (CAS 1989672-04-9)
- (1-(4-Ethylpiperazin-1-yl)cyclobutyl)methanamine (CAS 1504727-85-8)
- Ethyl 5-cyano-3-fluoropicolinate (CAS 1807175-58-1)
- 2-Ethyl-5,7-dimethyl-5,7-dihydrofuro[3,4-b]pyrazine (CAS 128397-25-1)
- (s)-1-(3-Chlorobenzyl)pyrrolidin-3-amine dihydrochloride (CAS 1286209-25-3)
- 5-Bromo-8-methoxychromane (CAS 2170096-72-5)
- 1-(Pyridin-3-yl)ethan-1-aminedihydrochloride (CAS 1159823-02-5)
- 2,5-Difluoro-4-nitrobenzonitrile (CAS 172921-32-3)
- 2,2,2-Trifluoro-1-(4-fluoronaphthalen-1-yl)ethan-1-amine (CAS 886370-39-4)
- Semaglutide impurity 54 (CAS CATO-C4X-222654)
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 18665070610 / Nicole.chen@cato-chem.com