4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-2-carboxylic acid CAS 1029420-51-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1029420-51-6 |
| Molecular Formula | C7H4N2O3S |
| Molecular Weight | 196.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-2-carboxylic acid (CAS 1029420-51-6) pharmaceutical standards reference standard. Molecular formula: C7H4N2O3S. Molecular weight: 196.18 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H4N2O3S |
| Molecular Weight | 196.18 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 4-Oxo-1,4-dihydrothieno[2,3-d]pyrimidine-5-carboxylic acid (CAS 1104926-91-1)
- 4-Oxo-3,4-dihydrothieno[3,2-d]pyrimidine-7-carboxylic acid (CAS 1527518-33-7)
- 4-Oxo-4,6-dihydrothieno[2,3-d]pyrimidine-5-carboxylic acid (CAS 1822944-34-2)
- 4-Oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 439693-47-7)
- 4-Oxo-1,4-dihydrothieno[2,3-d]pyrimidine-5-carboxamide (CAS 1801143-25-8)
- 7-Oxo-4,7-dihydrothieno[3,2-b]pyridine-6-carboxylic acid (CAS 90691-08-0)
- 2-(6,7-Dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetic acid (CAS 926248-27-3)
- 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarbaldehyde (CAS 211235-87-9)
Recommended Standards
- 4-Nitrobenzoxazole-2(3H)-thione (CAS 101495-34-5)
- 3-(5-Amino-2-fluorophenyl)-1,3-oxazolidin-2-one (CAS 1038282-81-3)
- Methyl 4-acetyl-2-fluorobenzoate (CAS 1006876-12-5)
- 4-Nitrobenzyl Cyanide (CAS 555-21-5)
- 6-(10-Hydroxydecanoyl)-2,3-Dimethoxy-5-Methylphenol (CAS 104966-97-4)
- Etravirine Impurity N1 (CAS 939431-68-2)
- [(4-Fluorophenyl)methyl](prop-2-en-1-yl)amine (CAS 889949-25-1)
- (R)-N-(Pyrrolidin-3-yl)pyrimidin-2-amine dihydrochloride (CAS 1349807-59-5)
- 2-((2,5-Dimethylphenyl)sulfonamido)benzoic acid (CAS 327072-13-9)
- Mast Cell Degranulating Peptide HR-1 (CAS 80533-94-4)
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