| CAS No. | 129177-39-5 |
| Molecular Formula | C9H8N2O4S |
| Molecular Weight | 240.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 240.24 g/mol gives 1,3-Dimethyl-2,4-dioxo-1h,2h,3h,4h-thieno[2,3-d]pyrimidine-6-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,3-Dimethyl-2,4-dioxo-1h,2h,3h,4h-thieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 129177-39-5) is a high-purity analytical reference standard with the molecular formula C9H8N2O4S and a molecular weight of 240.24 g/mol.
Structurally, 1,3-Dimethyl-2,4-dioxo-1h,2h,3h,4h-thieno[2,3-d]pyrimidine-6-carboxylic acid (C9H8N2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 240.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,3-Dimethyl-2,4-dioxo-1h,2h,3h,4h-thieno[2,3-d]pyrimidine-6-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| 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 |