2-Methyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid CAS 32278-56-1
| CAS No. | 32278-56-1 |
| Molecular Formula | C8H6N2O3S |
| Molecular Weight | 210.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2-Methyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid (CAS 32278-56-1), a certified reference material (molecular formula C8H6N2O3S, MW 210.21 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H6N2O3S, 2-Methyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 210.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H6N2O3S |
| Molecular Weight | 210.21 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.) | 1966 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-Methoxy-6-nitrobenzo[d]thiazole (CAS 4308-10-5)
- 3,3'-Sulfonyldipropanoic Acid (CAS 6291-88-9)
- 2-Methoxy-5-nitrophenyl isothiocyanate (CAS 71793-51-6)
- 3-Methyl-5-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylic acid (CAS 79932-64-2)
- 1-(4-Amino-5-chloro-2-(trifluoromethyl)phenyl)ethan-1-one (CAS 1260816-02-1)
- Diclofenac N-Oxydiethylamine Ester (CAS CATO-C4X-16142)
- 3-Amino-N,N-dimethyl-1H-1,2,4-triazole-5-carboxamide hydrate (CAS 1609403-70-4)
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- D-[Asp]9-Semaglutide (CAS CATO-CPTD788631)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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