5-chloro-Barbituric acid CAS 19645-77-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19645-77-3 |
| Molecular Formula | C4H3ClN2O3 |
| Molecular Weight | 162.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-chloro-Barbituric acid (CAS 19645-77-3) pharmaceutical standards reference standard. Molecular formula: C4H3ClN2O3. Molecular weight: 162.53 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H3ClN2O3 |
| Molecular Weight | 162.53 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 4-(Chloromethyl)-3-nitroisoxazole (CAS 155088-53-2)
- 4-Amino-N-hydroxy-1,2,5-oxadiazole-3-carbimidoyl chloride (CAS 147085-13-0)
- 2-Chlorobenzoic acid-phenyl-<SUP>13</SUP>C<SUB>6</SUB> (CAS 125970-63-0)
- Aclerastide (CAS 227803-63-6)
- 3-Aminocyclopentane-1-carbonitrile hydrobromide (CAS 2227206-38-2)
- Methyl 3-(2-fluorophenyl)-5-methylisoxazole-4-carboxylate (CAS 1960-93-6)
- Flurtamone (CAS 96525-23-4)
- 5-Azetidin-3-yl-3-[3-(trifluoromethyl)phenyl]-1,2,4-oxadiazole hydrochloride (CAS 1351659-00-1)
- 3-((Trimethylsilyl)ethynyl)-1,5-naphthyridine (CAS 1246088-67-4)
- Semaglutide impurity 49 (CAS CATO-C4X-222649)
Why CATO?
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