6-Chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde CAS 65644-24-8
| CAS No. | 65644-24-8 |
| Molecular Formula | C5H3ClN2O3 |
| Molecular Weight | 174.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H3ClN2O3, 6-Chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde contains an amide 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 174.54 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.
6-Chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde (CAS 65644-24-8), molecular formula C5H3ClN2O3 and molecular weight 174.54 g/mol, is a CATO reference standard with documented purity and traceability.
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), 6-Chloro-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde 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 | C5H3ClN2O3 |
| Molecular Weight | 174.54 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 methanol, ethanol, DMSO, water |
| 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.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-5-nitropyridin-4-ol (CAS 1211386-69-4)
- 4-Chloro-3-nitropyridin-2(3H)-one (CAS 1218764-78-3)
- 2-Chloro-5,6-difluoronicotinonitrile (CAS 1309371-71-8)
- 2-Chloro-5-nitropyridin-3-ol (CAS 1395037-06-5)
- 2-Chloro-4-nitropyridine 1-Oxide (CAS 14432-16-7)
- 5-Chloro-3-oxo-3,4-dihydropyrazine-2-carboxylic acid (CAS 150718-29-9)
- 2-Chloro-4-nitro-3-pyridinol (CAS 15128-85-5)
- 2-chloro-3-hydroxy-6-nitro-pyridin (CAS 15206-27-6)
Recommended Standards
- 5-Chloro-6-oxo-3,6-dihydropyrimidine-4-carboxylic acid (CAS 914916-96-4)
- 6-Chloro-2-nitropyridin-3-ol (CAS 887471-39-8)
- 5-chloro-4-formylfuran-2-carboxylic acid (CAS 31491-44-8)
- 6-Chloro-3-nitropyridin-2(1H)-one (CAS 92138-35-7)
- (6-Isobutoxy-5-methylpyridin-3-yl)boronic acid (CAS 1256355-19-7)
- Methyl 3-chloropicolinate (CAS 116383-98-3)
- ethyl 2-(3-methoxycyclohexyl)acetate (CAS 1803571-14-3)
- N-(4-Aminophenyl)-3-methylbenzamide (CAS 425651-25-8)
- 4-(2-(2-(2-Methoxyethoxy)ethoxy)ethoxy)aniline (CAS 355116-94-8)
- 7-Chloro-6-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (CAS 1186334-81-5)
- 8-Amino-3-chloro-5,6,7,8-tetrahydroisoquinoline-8-carboxylic acid (CAS 1337118-81-6)
- N-Methyl-5-(piperazin-1-yl)picolinamide (CAS 2259835-10-2)
- 2-Chloro-1-[5-(4-methoxyphenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl]ethan-1-one (CAS 380196-84-9)
- Semaglutide238 (CAS CATO-C4X-2226238)
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