4,7,14,17-Tetraoxo-3,6,15,18-tetraazaicosanedioic acid CAS 143673-93-2
| CAS No. | 143673-93-2 |
| Molecular Formula | C16H26N4O8 |
| Molecular Weight | 402.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 402.40 g/mol gives 4,7,14,17-Tetraoxo-3,6,15,18-tetraazaicosanedioic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4,7,14,17-Tetraoxo-3,6,15,18-tetraazaicosanedioic acid (CAS 143673-93-2) is a high-purity analytical reference standard with the molecular formula C16H26N4O8 and a molecular weight of 402.40 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, 4,7,14,17-Tetraoxo-3,6,15,18-tetraazaicosanedioic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 402.40 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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), 4,7,14,17-Tetraoxo-3,6,15,18-tetraazaicosanedioic acid 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 | C16H26N4O8 |
| Molecular Weight | 402.40 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 4 |
Related Tetraoxo Standards
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Recommended Standards
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- 1-Benzyl-pyrrolidine-3-carbonitrile (CAS 10603-52-8)
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