5-Chloro-2,3-dihydro-2-thioxo-4-pyrimidinecarboxylic Acid CAS 1023812-22-7
| CAS No. | 1023812-22-7 |
| Molecular Formula | C5H3ClN2O2S |
| Molecular Weight | 190.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 190.61 g/mol gives 5-Chloro-2,3-dihydro-2-thioxo-4-pyrimidinecarboxylic Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Chloro-2,3-dihydro-2-thioxo-4-pyrimidinecarboxylic Acid (CAS 1023812-22-7), molecular formula C5H3ClN2O2S and molecular weight 190.61 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C5H3ClN2O2S, 5-Chloro-2,3-dihydro-2-thioxo-4-pyrimidinecarboxylic Acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 190.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Chloro-2,3-dihydro-2-thioxo-4-pyrimidinecarboxylic Acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H3ClN2O2S |
| Molecular Weight | 190.61 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 6-Chloro-2-fluoro-3-methoxybenzyl alcohol (CAS 886499-68-9)
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- 3-Chloro-5-fluoro-4-methoxybenzyl alcohol (CAS 886497-33-2)
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- (2-fluoro-4-methoxyphenyl)hydrazine (CAS 154080-00-9)
- 2-(3-CHlorophenyl)-n-ethylacetamide (CAS 1343154-17-5)
- 1,3-Cyclohexanedione, 5-[2-(ethylthio)propyl]-2-(1-oxopropyl)- (CAS 99422-01-2)
- 2-Amino-6-(aminomethyl)-5-(difluoromethyl)nicotinaldehyde (CAS 1805016-79-8)
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