2-Amino-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid CAS 873544-81-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 873544-81-1 |
| Molecular Formula | C7H5N3O3S |
| Molecular Weight | 211.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Amino-4-oxo-1,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 873544-81-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H5N3O3S. Molecular weight: 211.20 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O3S |
| Molecular Weight | 211.20 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.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-(Methylthio)-6-nitro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 80773-00-8)
- 2-Methyl-5-oxo-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidine-6-carboxylic acid (CAS 446829-82-9)
- 2-(4-Oxothieno[2,3-d][1,2,3]triazin-3(4H)-yl)acetic acid (CAS 1708428-18-5)
- N-(2-((4-chlorophenyl)thio)ethyl)-2-((3-(trifluoromethyl)phenyl)thio)acetamide (CAS 337923-09-8)
- 3-(1H-Indol-3-yl)-1-phenylbutan-1-one (CAS 27224-28-8)
- 6,7-dichloro-1H-indole (CAS 57817-08-0)
- 1-(4-(Methylamino)piperidin-1-yl)propan-1-one (CAS 902836-34-4)
- 7-(Aminomethyl)benzo[c][1,2]oxaborol-1(3H)-ol (CAS 1268335-91-6)
- 2-(2-Cyclopentylacetamido)acetic acid (CAS 926217-69-8)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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