(Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylate CAS 866050-53-5
| CAS No. | 866050-53-5 |
| Molecular Formula | C17H12ClFN4O3 |
| Molecular Weight | 374.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies (Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylate (CAS 866050-53-5), a certified reference material (molecular formula C17H12ClFN4O3, MW 374.75 g/mol) for analytical method development and quality control.
Structurally, (Z)-[1-(Pyrazin-2-yl)ethylidene]amino 3-(2-chloro-6-fluorophenyl)-5-methyl-1,2-oxazole-4-carboxylate (C17H12ClFN4O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 374.75 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C17H12ClFN4O3 |
| Molecular Weight | 374.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Related Z Standards
- 1-(3-(Pyrazin-2-yloxy)phenyl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 866157-03-1)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-methoxyphenyl)acetamide (CAS 578003-17-5)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-methoxyphenyl)acetamide (CAS 618427-20-6)
- 1-((1-(Pyrazin-2-yl)piperidin-4-yl)methyl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 1396801-61-8)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(4-ethylphenyl)acetamide (CAS 578723-85-0)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-ethyl-6-methylphenyl)acetamide (CAS 587012-06-4)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-mesitylacetamide (CAS 577789-78-7)
- 2-(Pyrazin-2-yl)-N-(4-(trifluoromethoxy)phenyl)thiazole-4-carboxamide (CAS 1234808-01-5)
Recommended Standards
- (S)-3-Chloro-7-(2-(hydroxymethyl)morpholino)-2-methyl-5-(trifluoromethyl)-1H-pyrrolo[3,2-b]pyridine-6-carbonitrile (CAS 2227425-05-8)
- 1-(3-Chloro-4-fluorophenyl)-3-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-1H-pyrazole-5-carboxylic acid (CAS 618383-07-6)
- 3-Chloro-2-{3-phenylpyrazolo[1,5-a]pyrimidin-7-yl}-5-(trifluoromethyl)pyridine (CAS 1092345-99-7)
- 2-(5-(4-Chlorophenyl)-1H-pyrazol-1-yl)-3-(trifluoromethyl)quinoxaline (CAS 321538-11-8)
- Ethyl 5-hydroxy-3-(4-methoxyphenyl)-2-methyl-5-(trifluoromethyl)-1,2-oxazolidine-4-carboxylate (CAS 321391-89-3)
- 5-Amino-1-(2-isopropoxyethyl)-4-methylpyridin-2(1h)-one (CAS 1507125-79-2)
- 2-((2-Bromophenyl)amino)cyclohexyl acetate (CAS 2411641-09-1)
- ethyl 4-methanesulfonylpiperidine-4-carboxylate hydrochloride (CAS 1372548-29-2)
- 2-Chloro-6-(2-fluorophenyl)nicotinonitrile (CAS 1171926-91-2)
- Terbumeton-Desethyl (CAS 30125-64-5)
- 2-Fluoro-4,5-dimethylphenylboronic acid (CAS 1125394-25-3)
- (3-(Dipropylcarbamoyl)phenyl)boronic acid (CAS 850567-39-4)
- n1-Cyclopentyl-n2,n2-diethylethane-1,2-diamine (CAS 123351-41-7)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
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