2,3-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxylic acid CAS 79932-56-2
| CAS No. | 79932-56-2 |
| Molecular Formula | C9H8N2O3S |
| Molecular Weight | 224.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxylic acid (C9H8N2O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 2,3-Dimethyl-5-oxo-5H-thiazolo[3,2-a]pyrimidine-6-carboxylic acid (CAS 79932-56-2), a certified reference material (molecular formula C9H8N2O3S, MW 224.24 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2,3-Dimethyl-5-oxo-5H-thiazolo[3,2-a]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.
Physical & Chemical Properties
| Molecular Formula | C9H8N2O3S |
| Molecular Weight | 224.24 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.) | 1979 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 3,7-dimethyl-5-oxo-5h-[1,3]thiazolo[3,2-a]pyrimidine-2-carboxylic acid (CAS 1017419-69-0)
- 4,5-dimethyl-2-(1H-tetrazol-1-yl)thiophene-3-carboxylic acid (CAS 1146299-25-3)
- 2,5-Dimethyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidine-6-carboxylic acid (CAS 146628-89-9)
- 4,5-Dimethyl-2-(2H-tetrazol-2-yl)thiophene-3-carboxylic acid (CAS 2090324-68-6)
- 3,6-Dimethyl-9H-xanthen-9-one (CAS 19814-69-8)
- 4-(4,5-Dimethyl-1,3-dioxolan-2-yl)-2-methoxyphenol (CAS 63253-24-7)
- 3,5-Dimethyl-1-(oxan-4-yl)-1h-pyrazole-4-carboxylic acid (CAS 1342464-27-0)
- 3,4-Dimethyl-6-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 13995-91-0)
Recommended Standards
- 2-(Oxazol-5-yl)benzenesulfonamide (CAS 87489-00-7)
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- 2-(Methylsulfonyl)-5-phenyl-1,3,4-oxadiazole (CAS 23767-32-0)
- 2-Oxo-1,2-dihydroquinoline-6-sulfonamide (CAS 855766-77-7)
- 5-[(2,6-Dichlorophenyl)sulfanyl]-1,3-diphenyl-1H-pyrazole-4-carbaldehyde (CAS 956795-66-7)
- 2-Amino-5-chloro-4-(difluoromethyl)nicotinic acid (CAS 1806835-81-3)
- Dimethylamine dimethylcarbamodithioate (CAS 598-64-1)
- Tert-butyl 4-(3-cyano-6-cyclopropylpyridin-2-yl)piperazine-1-carboxylate (CAS 1135283-84-9)
- Sodium 2-acetamidomalonate (CAS 117976-12-2)
- 2,4-Dibromo-5-fluoroiodobenzene (CAS 1000578-13-1)
- 4,4'-Oxydibutanenitrile (CAS 176720-03-9)
- 38791-62-7 4-Phenoxy-1,2-benzenedicarbonitrile 4-Phenoxyphthalonitrile NSC 646245 (CAS 38791-62-7)
- 5-Chloro-2,6-bis(trifluoromethyl)-1H-1,3-benzodiazole (CAS 171809-86-2)
- Semaglutide impurity 275 (CAS CATO-C4X-2226275)
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