2,4-Dihydroxy-6-nitroquinazoline-8-carboxylic acid CAS 331646-89-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331646-89-0 |
| Molecular Formula | C9H5N3O6 |
| Molecular Weight | 251.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,4-Dihydroxy-6-nitroquinazoline-8-carboxylic acid (CAS 331646-89-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C9H5N3O6. Molecular weight: 251.15 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C9H5N3O6 |
| Molecular Weight | 251.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Related Dihydroxy Standards
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- 1-(2,4-Dihydroxy-3-(morpholinomethyl)phenyl)ethan-1-one (CAS 658063-54-8)
- 8-Acetyl-5,7-dihydroxy-2,2-dimethylchroman-4-one (CAS 124360-55-0)
- 6-Acetyl-5,7-dihydroxy-2,2-dimethylchroman-4-one (CAS 124360-56-1)
- Ethyl 4,6-dihydroxy-2-oxo-2H-chromene-3-carboxylate (CAS 100037-65-8)
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- Ethyl 4,8-dihydroxy-2-oxo-2H-chromene-3-carboxylate (CAS 100037-67-0)
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Recommended Standards
- 2-(Methylthio)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 849934-89-0)
- 4-(2,4-difluoroanilino)-1,1,1-trifluorobut-3-en-2-one (CAS 215654-90-3)
- 2-(Methylthio)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096331-09-6)
- Ethyl 2-(1-Pyrazolyl)acetate (CAS 10199-61-8)
- 2-(2,4-Dimethyl-phenylamino)-N-(4-methyl-thiazol-2-yl)-propionamide (CAS 1008918-60-2)
- 2-Carboethoxy-4-piperidinomethyl benzophenone (CAS 898771-14-7)
- n-benZyl-2-(4-bromo-2-formylphenoxy)acetamide (CAS 553672-64-3)
- N'-[(1Z)-Phenylmethylidene]-3-(1H-pyrrol-1-yl)thiophene-2-carbohydrazide (CAS 478062-78-1)
- Remimazolam Impurity 1 (CAS 1275616-59-5)
- Semaglutide impurity 01 (CAS 1998701-31-7)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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