1,3-Dimethyl-2,4-dioxo-1h,2h,3h,4h-thieno[2,3-d]pyrimidine-6-carboxylic acid CAS 129177-39-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 129177-39-5 |
| Molecular Formula | C9H8N2O4S |
| Molecular Weight | 240.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Dimethyl-2,4-dioxo-1h,2h,3h,4h-thieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 129177-39-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H8N2O4S. Molecular weight: 240.24 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H8N2O4S |
| Molecular Weight | 240.24 g/mol |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 4,4-diethoxy-2,2-difluorobutanoate (CAS 1384429-99-5)
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- 2-[(7-Nitro-2,1,3-benzoxadiazol-4-yl)thio]ethanamine (CAS 139915-43-8)
- 6-Fluoroimidazo[1,2-a]pyridine-2-carbohydrazide (CAS 1135282-88-0)
- 2-Propenoic acid, 2-methyl-, 2-[(1,1-dimethylethyl)amino]ethyl ester, polymer with butyl 2-propenoate, 2-hydroxyethyl 2-propenoate and methyl 2-methyl-2-propenoate (CAS 57635-61-7)
- 1-(3,5-bis(trifluoromethyl)phenyl)-3-((4-methoxyphenyl)methyl)thiourea (CAS 13795-11-4)
- 3-(4-Fluorophenyl)-1,2-thiazole-5-carboxylic acid (CAS 1486096-34-7)
- (E)-Methyl 4-(2-nitrovinyl)benzoate (CAS 115665-98-0)
- methyl[(2-methyl-1,3-thiazol-5-yl)methyl]amine (CAS 63139-99-1)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
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