5-Ethyl-3-hydrazono-4-methoxy-2,3-dihydro-1H-pyrazole CAS 141500-15-4
| CAS No. | 141500-15-4 |
| Molecular Formula | C6H12N4O |
| Molecular Weight | 156.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 5-Ethyl-3-hydrazono-4-methoxy-2,3-dihydro-1H-pyrazole (CAS 141500-15-4), a certified reference material (molecular formula C6H12N4O, MW 156.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H12N4O, 5-Ethyl-3-hydrazono-4-methoxy-2,3-dihydro-1H-pyrazole contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 156.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 5-Ethyl-3-hydrazono-4-methoxy-2,3-dihydro-1H-pyrazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H12N4O |
| Molecular Weight | 156.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 2-Hydrazono-4-methoxy-1,3-dimethyl-2,3-dihydro-1H-imidazole (CAS 754201-35-9)
- 3-Hydrazono-5-methyl-4-nitro-2,3-dihydro-1H-pyrazole (CAS 57097-82-2)
- 2-Hydrazono-5-nitro-1,2-dihydropyrimidine (CAS 17802-59-4)
- 3-Hydrazono-5,6-dimethyl-3,4-dihydropyrazin-2(1H)-one (CAS 140911-17-7)
- 2-Hydrazono-1,2-dihydrocyclohepta[b]pyrrole (CAS 102363-24-6)
- 2-Hydrazono-1,2,4,5,6,7-hexahydropyrazolo[1,5-a]pyridine (CAS 158355-42-1)
- 2-Hydrazono-2H-pyrido[1,2-a]pyrimidine (CAS 727352-55-8)
- 6-Hydrazono-3-methyl-5,6-dihydro-[1,2,4]triazolo[4,3-b]pyridazine (CAS 7190-90-1)
Recommended Standards
- 1-(1-Methoxypropan-2-yl)-1h-1,2,4-triazol-3-amine (CAS 1343839-27-9)
- 1-(3-Methoxypropyl)-1h-1,2,3-triazol-4-amine (CAS 1503858-92-1)
- 3-(1-Methyl-1h-tetrazol-5-yl)butan-2-ol (CAS 1341916-84-4)
- 2-Amino-1-(1,3-dimethyl-1h-1,2,4-triazol-5-yl)ethan-1-ol (CAS 1505186-82-2)
- 6-Fluoro-2,5-dimethylquinolin-8-amine (CAS 1420791-52-1)
- 7-Fluoro-2-methyl-1,2,3,4-tetrahydroquinoline (CAS 560085-09-8)
- 5-Chloro-3-nitro-1,8-naphthyridin-2(1H)-one (CAS 1203510-33-1)
- N,N-Dimethylpyridin-4-amine 4-methylbenzenesulfonate (CAS 91944-64-8)
- 3-Amino-5-methoxy-3-methylpentanoic acid (CAS 1340342-24-6)
- 5-Isopropyl-4-methoxy-2-methylbenzenesulfonyl chloride (CAS 889939-83-7)
- 5-Fluoro-2-(2,2,2-trifluoroethoxy)aniline (CAS 334929-99-6)
- Ciprofibrate Impurity 1 (CAS 144900-34-5)
- (±)-Tetrahydrojatrorrhizine (CAS 27313-86-6)
- [Nva12]-Tirzepatide (CAS CATO-C4X-324042)
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