1,5-Diamino-4,8-dihydroxyanthraquinone CAS 145-49-3
| CAS No. | 145-49-3 |
| Molecular Formula | C14H10N2O4 |
| Molecular Weight | 270.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1,5-Diamino-4,8-dihydroxyanthraquinone (C14H10N2O4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 270.24 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).
1,5-Diamino-4,8-dihydroxyanthraquinone (CAS 145-49-3), molecular formula C14H10N2O4 and molecular weight 270.24 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1,5-Diamino-4,8-dihydroxyanthraquinone 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 | C14H10N2O4 |
| Molecular Weight | 270.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Diamino Standards
- 5,8-Diamino-1,4-dihydroxyanthraquinone (CAS 16517-70-7)
- 2,5-Diamino-1,8-dihydroxyanthracene-9,10-dione (CAS 29706-46-5)
- 2,8-Diamino-1,5-dihydroxyanthracene-9,10-dione (CAS 31651-04-4)
- 1,4-Diamino-2-(hydroxymethyl)-2,3-dihydroanthracene-9,10-dione (CAS 62025-05-2)
- Methyl 2-(3,6-diamino-9H-carbazol-9-yl)acetate (CAS 137696-23-2)
- 2,4-Diamino-5-(2,4-dichlorobenzyl)pyrimidine (CAS 65321-42-8)
- 2,4-Diamino-5-(3,4-dichlorobenzyl)pyrimidine (CAS 30077-58-8)
- (S)-2,6-Diamino-N-(naphthalen-2-yl)hexanamide (CAS 4420-88-6)
Recommended Standards
- Genistein (CAS 446-72-0)
- 5,3',4'-Trihydroxyflavone (CAS 19852-25-6)
- Phoxim Impurity 8 (CAS CATO-C4X-29978)
- Emodin (CAS 518-82-1)
- (S)-1-(9H-Fluoren-9-yl)-5-isopropyl-3,6,9-trioxo-2-oxa-4,7,10-triazadodecan-12-oic acid (CAS 557095-80-4)
- 1-(3-(Methylamino)pyrrolidin-1-yl)ethanone (CAS 863248-50-4)
- (4-Aminobutan-2-yl)(benzyl)methylamine (CAS 1082818-41-4)
- Cyclopent-2-ene-1-carboxylic acid (CAS 2348-89-2)
- 4-((5-Bromopyrazin-2-yl)methyl)-1-isopropylazepane (CAS 1316218-51-5)
- Methyl 2-(3-oxopiperazin-1-yl)acetate (CAS 1039843-84-9)
- 5-Oxaspiro[3.5]Nonan-9-amine (CAS 2287331-83-1)
- 1-(6-Methyl-1H-pyrrolo[2,3-b]pyridin-3-yl)ethan-1-one (CAS 1399849-64-9)
- Mosapride Impurity 41 (CAS CATO-C4X-104441)
- Semaglutide Impurity 167 (CAS CATO-C4X-2226167)
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