(E)-4-(2-(2-nitrophenyl)hydrazinyl)-4-oxobut-2-enoic acid CAS 39704-29-5
| CAS No. | 39704-29-5 |
| Molecular Formula | C10H9N3O5 |
| Molecular Weight | 251.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies (E)-4-(2-(2-nitrophenyl)hydrazinyl)-4-oxobut-2-enoic acid (CAS 39704-29-5), a certified reference material (molecular formula C10H9N3O5, MW 251.20 g/mol) for analytical method development and quality control.
(E)-4-(2-(2-nitrophenyl)hydrazinyl)-4-oxobut-2-enoic acid (C10H9N3O5) contains an amino-acid-derived structure, 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures (E)-4-(2-(2-nitrophenyl)hydrazinyl)-4-oxobut-2-enoic acid 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.
Physical & Chemical Properties
| Molecular Formula | C10H9N3O5 |
| Molecular Weight | 251.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1968 |
| Nitrogen Atoms | 3 |
Related E Standards
- (E)-4-(2-(4-nitrophenyl)hydrazinyl)-4-oxobut-2-enoic acid (CAS 39704-31-9)
- 2-(2-Nitrophenyl)-5-oxotetrahydrofuran-3-carboxylic acid (CAS 1399653-10-1)
- Methyl 4-(2-nitrophenyl)-2,4-dioxobutanoate (CAS 57446-03-4)
- Methyl 4-(3-nitrophenyl)-2,4-dioxobutanoate (CAS 345617-18-7)
- Methyl 4-(4-nitrophenyl)-2,4-dioxobutanoate (CAS 39757-36-3)
- 4-(4-Nitrophenyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 1481380-50-0)
- 4-(3-Nitrophenyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 1481665-11-5)
- Ethyl 4-(3-nitrophenyl)-3-oxobutanoate (CAS 116904-71-3)
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com