7,8-Dimethoxy-9-oxo-9H-indeno[1,2-B]pyrazine-2,3-dicarbonitrile CAS 924296-36-6
| CAS No. | 924296-36-6 |
| Molecular Formula | C15H8N4O3 |
| Molecular Weight | 292.25 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.
7,8-Dimethoxy-9-oxo-9H-indeno[1,2-B]pyrazine-2,3-dicarbonitrile (CAS 924296-36-6) is a high-purity analytical reference standard with the molecular formula C15H8N4O3 and a molecular weight of 292.25 g/mol.
Structurally, 7,8-Dimethoxy-9-oxo-9H-indeno[1,2-B]pyrazine-2,3-dicarbonitrile (C15H8N4O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 292.25 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 7,8-Dimethoxy-9-oxo-9H-indeno[1,2-B]pyrazine-2,3-dicarbonitrile 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 | C15H8N4O3 |
| Molecular Weight | 292.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
Related Dimethoxy Standards
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- Methyl 2-(7,8-dimethoxy-2-oxo-2h-chromen-4-yl)propanoate (CAS 1092333-72-6)
- Ethyl (7,8-dimethoxy-2-oxo-2H-chromen-4-yl)acetate (CAS 1092333-75-9)
- Methyl 2-(5,7-dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetate (CAS 892559-75-0)
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Recommended Standards
- 6-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purine-2-carbonitrile (CAS 79936-11-1)
- N,N’-Biphthalimide (CAS 4388-29-8)
- 5-Bromo-3-methyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-1,2,4-triazole (CAS 2768322-91-2)
- 1,6-Dinitropyrene (CAS 42397-64-8)
- 3-(3-Methoxyphenyl)-1-propylpiperidine (CAS 86562-23-4)
- 5-Bromo-N-cyclopentylnicotinamide (CAS 302953-16-8)
- 1-(5-Bromo-1h-indol-2-yl)ethan-1-amine (CAS 1270476-46-4)
- 4-[4-(2-Methoxyethoxy)phenoxy]benzoic acid (CAS 887412-01-3)
- 1-Pyridin-4-yl-[1,4]diazepane, 98% (CAS 194853-82-2)
- 4-tert-Butyl-3-chloro-4-fluorobenzophenone (CAS 951890-25-8)
- IKK-16 Hydrochloride (CAS 1186195-62-9)
- 2-ethyl-1-[(2R)-pyrrolidin-2-ylmethyl]-1H-imidazole (CAS 1604422-76-5)
- (R)-3-[1-(1-Acryloylpiperidin-3-yl)-4-amino-1H-pyrazolo[3,4-d]pyrimidin-3-yl]-N-(4-isopropyl-5-methylphenyl)benzamide (CAS 1407966-77-1)
- C-Peptide (human) (CAS 33017-11-7)
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