4-(4-Ethoxyphenyl)-2-hydrazinylthiazole CAS 78559-98-5
| CAS No. | 78559-98-5 |
| Molecular Formula | C11H13N3OS |
| Molecular Weight | 235.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(4-Ethoxyphenyl)-2-hydrazinylthiazole 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.
CATO supplies 4-(4-Ethoxyphenyl)-2-hydrazinylthiazole (CAS 78559-98-5), a certified reference material (molecular formula C11H13N3OS, MW 235.31 g/mol) for analytical method development and quality control.
Structurally, 4-(4-Ethoxyphenyl)-2-hydrazinylthiazole (C11H13N3OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 235.31 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C11H13N3OS |
| Molecular Weight | 235.31 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethoxyphenyl Standards
- 4-(4-Ethoxyphenyl)-5-methyl-4H-1,2,4-triazol-3-yl hydrosulfide (CAS 592537-82-1)
- 5-(2-Ethoxyphenyl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 725245-13-6)
- 5-(3-Ethoxyphenyl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 341013-99-8)
- 5-(4-Ethoxyphenyl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 334497-06-2)
- 1-(4-Ethoxyphenyl)-5-thioxopyrrolidin-2-one (CAS 100192-41-4)
- 2-(4-Ethoxyphenyl)-5,5-dimethylmorpholine (CAS 1017396-35-8)
- 2-(2-Ethoxyphenyl)-5,5-dimethylmorpholine (CAS 1017481-17-2)
- (4-(4-Ethoxyphenyl)tetrahydro-2H-pyran-4-yl)methanamine (CAS 1152563-72-8)
Recommended Standards
- 4-(2-Methoxyethyl)-5-phenyl-4h-1,2,4-triazol-3-yl hydrosulfide (CAS 663181-72-4)
- 3H-1,2,4-Triazole-3-thione, 4-cyclopentyl-5-(2-furanyl)-2,4-dihydro- (CAS 935291-39-7)
- 4-[5-(2-Thienyl)-1,3,4-oxadiazol-2-yl]piperidine (CAS 954228-76-3)
- 3-Amino-6-ethyl-5-methylthieno[2,3-b]pyridine-2-carboxamide (CAS 632291-80-6)
- 3-Methyl-4-({[4-(trifluoromethyl)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 477851-09-5)
- 2-(Bromomethyl)-6-(difluoromethyl)-5-hydroxypyridine-3-carboxylic acid (CAS 1805399-02-3)
- 1-(1-Methylpiperidin-4-yl)-1H-pyrazole-4-carboxylic acid (CAS 1231252-06-4)
- Bis(3,5-dimethyl-4-methoxyphenyl)phosphine (CAS 122708-97-8)
- 2-(3-Methoxyphenoxy)propanamide (CAS 60770-72-1)
- (1,4,7,10,13-Pentaoxacyclopentadecan-2-yl)methanol (CAS 75507-25-4)
- L-Tyrosine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-2-iodo- (CAS 1391585-88-8)
- ((1S,2S)-2-(4-iodophenyl)cyclopropyl)methanol (CAS 1678527-92-8)
- 3-phenyl-1-(phenylsulfonyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine (CAS 943323-25-9)
- Boc-Cholecystokinin Octapeptide (desulfated) (A-1295.0001) (CAS 25687-34-7)
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