2-(Dimethoxymethylene)malononitrile CAS 64672-72-6
| CAS No. | 64672-72-6 |
| Molecular Formula | C6H6N2O2 |
| Molecular Weight | 138.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(Dimethoxymethylene)malononitrile is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(Dimethoxymethylene)malononitrile (CAS 64672-72-6), molecular formula C6H6N2O2 and molecular weight 138.12 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H6N2O2, 2-(Dimethoxymethylene)malononitrile contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 138.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-(Dimethoxymethylene)malononitrile 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 | C6H6N2O2 |
| Molecular Weight | 138.12 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-(2-Hydroxyvinyl)pyrimidin-4(3H)-one (CAS 922179-87-1)
- 2-(Hydroxymethyl)cyclohexa-2,5-diene-1,4-dione (CAS 644-17-7)
- 2-(2,5-Dioxopyrrolidin-1-yl)acetonitrile (CAS 61516-81-2)
- 2-(Hydroxymethyl)pyrimidine-4-carbaldehyde (CAS 944900-47-4)
- 2,3-Diphenylmaleic anhydride (CAS 4808-48-4)
- 1-[2-(Trifluoromethyl)imidazo[1,2-a]pyridin-3-yl]ethanone (CAS 1204526-08-8)
- (1-(Methoxymethyl)cyclohexyl)methanol (CAS 956518-76-6)
- 2,3-Dichloro-5-fluorophenacyl chloride (CAS 1804515-79-4)
- 6-((2-Methylbenzyl)thio)-3-(thiophen-2-yl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 868966-88-5)
- (R)-3-Amino-3-(4,5-dibromofuran-2-yl)propanamide (CAS 1562434-15-4)
- 1-N-(4-methylphenyl)benzene-1,2-diamine (CAS 91806-09-6)
- (S,R,S)-AHPC-CO-C1-NH2 HCl (CAS 2361120-26-3)
- Methyl 2-[(6-chloropyridazin-3-yl)sulfanyl]-1-methyl-1H-imidazole-5-carboxylate (CAS 338793-45-6)
- Cyclopeptide-5 (CAS 197172-76-2)
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