5-Amino-2,3-dicyano-1,4-naphthoquinone CAS 68217-29-8
| CAS No. | 68217-29-8 |
| Molecular Formula | C12H5N3O2 |
| Molecular Weight | 223.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Amino-2,3-dicyano-1,4-naphthoquinone 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.
5-Amino-2,3-dicyano-1,4-naphthoquinone (CAS 68217-29-8) is a high-purity analytical reference standard with the molecular formula C12H5N3O2 and a molecular weight of 223.19 g/mol.
Structurally, 5-Amino-2,3-dicyano-1,4-naphthoquinone (C12H5N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. 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 223.19 g/mol, it falls into the medium-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.
As a certified reference material (CRM), 5-Amino-2,3-dicyano-1,4-naphthoquinone 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 | C12H5N3O2 |
| Molecular Weight | 223.19 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 7-Bromo-2,4-diaminoquinazoline (CAS 137553-43-6)
- 2-((4-Bromophenyl)sulfonyl)-4-butyl-5-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 329701-66-8)
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- 2-(3-isocyanatophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 787591-43-9)
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