1,5-Dimethyl (2Z)-2-[2-(4-methylphenyl)hydrazin-1-ylidene]-3-oxopentanedioate CAS 338751-67-0
| CAS No. | 338751-67-0 |
| Molecular Formula | C14H16N2O5 |
| Molecular Weight | 292.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,5-Dimethyl (2Z)-2-[2-(4-methylphenyl)hydrazin-1-ylidene]-3-oxopentanedioate.
CATO supplies 1,5-Dimethyl (2Z)-2-[2-(4-methylphenyl)hydrazin-1-ylidene]-3-oxopentanedioate (CAS 338751-67-0), a certified reference material (molecular formula C14H16N2O5, MW 292.29 g/mol) for analytical method development and quality control.
Based on its molecular formula C14H16N2O5, 1,5-Dimethyl (2Z)-2-[2-(4-methylphenyl)hydrazin-1-ylidene]-3-oxopentanedioate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 292.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1,5-Dimethyl (2Z)-2-[2-(4-methylphenyl)hydrazin-1-ylidene]-3-oxopentanedioate 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 | C14H16N2O5 |
| Molecular Weight | 292.29 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Dimethyl Standards
- 5-[(1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)methyl]-1,3-dimethyl-1,2,3,4-tetrahydropyrimidine-2,4-dione (CAS 10320-84-0)
- Methyl 2-(4,4-dimethyl-6-nitro-2-oxo-3,4-dihydroquinolin-1(2H)-yl)acetate (CAS 1355173-67-9)
- 2,3-Dimethyl-3-(3,4,5-trifluorophenyl)-propiophenone (CAS 898777-98-5)
- 3,4-Dimethyl-3-(3,4,5-trifluorophenyl)-propiophenone (CAS 898778-09-1)
- 3,5-Dimethyl-3-(3,4,5-trifluorophenyl)-propiophenone (CAS 898778-12-6)
- Ethyl 2,3-dimethyl-6-(trifluoromethyl)imidazo[2,1-b]thiazole-5-carboxylate (CAS 1956341-89-1)
- 2-(3,5-Dimethyl-1H-pyrazol-1-yl)-3-(trifluoromethyl)quinoxaline (CAS 321538-05-0)
- 4-(3,5-Dimethyl-1H-pyrazol-1-yl)-2-(trifluoromethyl)quinazoline (CAS 303148-66-5)
Recommended Standards
- 1-(Hydroxymethyl)-6-methylphenanthro[1,2-b]furan-10,11-dione (CAS 76829-01-1)
- 2-(1-Methyl-2,4-dioxo-5-propoxy-1,4-dihydropyrido[2,3-d]pyrimidin-3(2H)-yl)acetamide (CAS 921480-54-8)
- 1-(Benzo[d][1,3]dioxol-5-ylcarbamoyl)piperidine-4-carboxylic acid (CAS 866132-02-7)
- 2-(2-Imidazo[1,2-a]pyrimidin-2-ylethyl)-1H-isoindole-1,3(2H)-dione (CAS 442667-35-8)
- 2-Chloro-N-methylisonicotinamide (CAS CATO-C4X-104768)
- (S)-2-amino-2-(thiazol-2-yl)ethanol (CAS 1344505-41-4)
- GW 1100 (CAS 306974-70-9)
- 3-Methyl-5-oxopyrrolidine-2-carboxylic acid (CAS 2446-05-1)
- 4-((1H-Imidazol-4-yl)methyl)piperidine (CAS 151070-83-6)
- (R)-2-Hydroxybutanamide (CAS 206358-12-5)
- N-(3-Amino-4-methylphenyl)-2-(dimethylamino)acetamide dihydrochloride (CAS 1286034-30-7)
- Imipramine impurity C (CAS 2307-88-2)
- 1-Methyl-4-nitro-3-(3-trifluoromethyl-phenoxy)-1h-pyrazole (CAS 1443279-25-1)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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