2-((3,4-Dihydroquinoxalin-1(2H)-yl)methylene)malononitrile CAS 6687-88-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6687-88-3 |
| Molecular Formula | C20H22N4O4S |
| Molecular Weight | 414.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((3,4-Dihydroquinoxalin-1(2H)-yl)methylene)malononitrile (CAS 6687-88-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H22N4O4S. Molecular weight: 414.48 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H22N4O4S |
| Molecular Weight | 414.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dihydroquinoxalin Standards
- 1-(3-Oxo-3,4-dihydroquinoxalin-2-yl)piperidine-3-carboxylic acid (CAS 1707563-18-5)
- 1-(3-Oxo-3,4-dihydroquinoxalin-2-yl)piperidine-4-carboxylic acid (CAS 1713461-83-6)
- 2-(3-Oxo-3,4-dihydroquinoxalin-2(1H)-ylidene)-2-phenylacetonitrile (CAS 68350-66-3)
- 2-(2-Oxo-1,2-dihydroquinoxalin-1-yl)ethane-1-sulfonyl fluoride (CAS 877977-29-2)
- 4-Benzyl-1,3-dihydroquinoxalin-2-one (CAS 106595-91-9)
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Recommended Standards
- 1,3-Bis((S)-1-(naphthalen-1-yl)ethyl)-1,3,2-diazaphospholidine 2-oxide (CAS 2166542-06-7)
- 2-(4-Oxo-2-phenylquinazolin-3(4H)-yl)-N-(phenylcarbamothioyl)acetamide (CAS 72045-60-4)
- (3Z)-3-{[1-(4-methylbenzenesulfonyl)-1H-indol-3-yl]methylidene}-2,3-dihydro-1H-indol-2-one (CAS 694437-74-6)
- 3-(Allylthio)-2-aminopropanoic acid (CAS 49621-03-6)
- 3,5-Dichloro-2-methylbenzylamine (CAS 1803813-26-4)
- N-(5-Hydroxy-1H-indazol-3-yl)benzamide (CAS 511225-28-8)
- 1020054-54-9 7539AC C14H12Cl2N2O2 N-(3-Amino-4-chlorophenyl)-2-(2-chlorophenoxy)-acetamide (CAS 1020054-54-9)
- 2-((4-Methyl-5-((naphthalen-1-ylamino)methyl)-4H-1,2,4-triazol-3-yl)thio)acetohydrazide (CAS 1071351-43-3)
- 5-Chloro-2-(pyrrolidine-1-carbonyl)aniline (CAS 898541-51-0)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
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