23945-50-8 5-Pyrimidinecarboxylic acid, 1,2,3,4-tetrahydro-4-oxo-2-thioxo- 1,2,3,4-Tetrahydro-4-oxo-2-thioxopyrimidine-5-carboxylic acid EINECS 245-948-8 2-Thiouracil-5-carboxylic acid CAS 23945-50-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 23945-50-8 |
| Molecular Formula | C5H4N2O3S |
| Molecular Weight | 172.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 23945-50-8 5-Pyrimidinecarboxylic acid, 1,2,3,4-tetrahydro-4-oxo-2-thioxo- 1,2,3,4-Tetrahydro-4-oxo-2-thioxopyrimidine-5-carboxylic acid EINECS 245-948-8 2-Thiouracil-5-carboxylic acid (CAS 23945-50-8) pharmaceutical standards reference standard. Molecular formula: C5H4N2O3S. Molecular weight: 172.16 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H4N2O3S |
| Molecular Weight | 172.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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- 4-Ethyl-5-pyrimidinecarboxylic acid (CAS 1147710-24-4)
- 72790-16-0 2-Ethyl-5-pyrimidinecarboxylic acid MFCD09054863 (CAS 72790-16-0)
- 2-Methyl-4-pyrimidinecarboxylic acid (CAS 13627-49-1)
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Recommended Standards
- Thiophene-2,4-dicarboxylic acid (CAS 36157-39-8)
- 3,4-DICARBOXYTHIOPHENE 3,4-THIOPHENEDICARBOXYLIC ACID 4282-29-5 AS06782 Thiophene-3,4-dicarboxylic acid (CAS 4282-29-5)
- Propyl 5-fluoro-1H-imidazole-4-carboxylate (CAS 959088-25-6)
- 2-Nitro-2,3-dihydro-1h-indene-1,3-dione dihydrate (CAS 64887-75-8)
- 2-((3,5-Dichlorophenoxy)methyl)thiazole-4-carboxylic acid (CAS 263756-57-6)
- 2-Propen-1-amine, N-methyl-N-2-propen-1-yl-, acetate hydrochloride, compd. with 2-(chloromethyl)oxirane homopolymer (CAS 76649-33-7)
- Cycloheptyl(2,5-difluorophenyl)methanol (CAS 1273705-28-4)
- 2-(2,4-Dichlorophenoxy)butanoic acid (CAS 6956-86-1)
- 6-Phenyl-5-piperidino-3-pyridazinethiol (CAS 478029-29-7)
- Semaglutide Impurity 180 (CAS CATO-C4X-2226180)
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