3-[(E)-2-[(2-Chloro-6-fluorophenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one CAS 338419-90-2
| CAS No. | 338419-90-2 |
| Molecular Formula | C15H10ClFN4O |
| Molecular Weight | 316.72 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.
3-[(E)-2-[(2-Chloro-6-fluorophenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (CAS 338419-90-2), molecular formula C15H10ClFN4O and molecular weight 316.72 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-[(E)-2-[(2-Chloro-6-fluorophenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one (C15H10ClFN4O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 316.72 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 3-[(E)-2-[(2-Chloro-6-fluorophenyl)methylidene]hydrazin-1-yl]-1,2-dihydroquinoxalin-2-one 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 | C15H10ClFN4O |
| Molecular Weight | 316.72 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
Related E Standards
- N-(4-Chloro-6-(4-fluorophenyl)pyrido[3,2-d]pyrimidin-2-yl)acetamide (CAS 917759-04-7)
- 2-Chloro-9-cyclopentyl-7,7-difluoro-5-methyl-5,7,8,9-tetrahydro-6H-pyrimido[4,5-b][1,4]diazepin-6-one (CAS 1062246-03-0)
- (5-Chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophen-2-yl)trimethylsilane (CAS 942070-10-2)
- 1-(3-Chloro-4-fluorophenyl)-3-(2,4-difluorophenyl)thiourea (CAS 298215-83-5)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(thiophen-2-yl)propanenitrile (CAS 400089-35-2)
- 4-(5-Chloro-6-dimethylamino-4-trifluoromethyl-pyridin-2-yl)-phenol (CAS 1311279-12-5)
- 3-(6-Chloro-2-(4-fluorophenyl)imidazo[1,2-a]pyridin-3-yl)acrylic acid (CAS 727977-30-2)
- 4-Chloro-6-fluoro-2-(4-hydroxyphenyl)quinoline-8-carboxamide (CAS 655222-76-7)
Recommended Standards
- Voriconazole Impurity 59 (CAS 1185186-22-4)
- 5-(((3-Chlorophenyl)sulfonyl)methyl)-N-hydroxyisoxazole-3-carboxamide (CAS 823220-25-3)
- Olaparib Impurity 95 (CAS CATO-C4X-113595)
- 5-(((4-Chlorophenyl)sulfonyl)methyl)-N-hydroxyisoxazole-3-carboxamide (CAS 823220-26-4)
- 2-(4-Chloro-2-methylphenoxy)-N-(prop-2-yn-1-yl)pyridine-3-carboxamide (CAS 497061-25-3)
- 1-(1-(3-Fluorophenyl)ethyl)-1H-pyrrole-2-carbaldehyde (CAS 1248105-91-0)
- N-(2-(2-amino-4-fluorophenoxy)ethyl)-N-methylaniline (CAS 946774-84-1)
- Quinfamide (CAS 62265-68-3)
- 4-[(cyclohexyloxy)methyl]benzene-1-carboximidamide hydrochloride (CAS 1221722-21-9)
- Methyl 4-iodo-1,2-thiazole-3-carboxylate (CAS 397329-61-2)
- 1-(2-Chloro-3-nitrophenyl)ethanone (CAS 34084-99-6)
- Tryptophan impurity 32 (CAS 2306500-74-1)
- 2-Methylcycloheptanone (CAS 932-56-9)
- [D-Ser6]-Semaglutide (CAS CATO-C4X-2226287)
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