5-Bromo-1-(methylsulfonyl)-1,6-dihydropyrimidine CAS 38275-48-9
| CAS No. | 38275-48-9 |
| Molecular Formula | C5H7BrN2O2S |
| Molecular Weight | 239.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Bromo-1-(methylsulfonyl)-1,6-dihydropyrimidine 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.
5-Bromo-1-(methylsulfonyl)-1,6-dihydropyrimidine (CAS 38275-48-9) is a high-purity analytical reference standard with the molecular formula C5H7BrN2O2S and a molecular weight of 239.09 g/mol.
Based on its molecular formula C5H7BrN2O2S, 5-Bromo-1-(methylsulfonyl)-1,6-dihydropyrimidine contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H7BrN2O2S |
| Molecular Weight | 239.09 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-Bromothieno[2,3-c]pyridine-2-carbonitrile (CAS 870235-00-0)
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- 3-Bromothieno[2,3-b]pyridine-2-carbonitrile (CAS 72832-27-0)
- 5-Chloro-4-methyl-N-(2-morpholinoethyl)benzo[d]thiazol-2-amine (CAS 1177328-36-7)
- 2-Butyl-4-methylpyrimidin-5-amine (CAS 1699189-96-2)
- N-(2-Chloro-6-nitrophenyl)methanesulfonamide (CAS 2140305-58-2)
- Ethyl 2,3-difluoro-5-nitrobenzoate (CAS 1249558-76-6)
- (S)-1-[(Pyridin-4-yl)carbonyl]pyrrolidin-3-amine dihydrochloride (CAS 1349700-01-1)
- 4-Chloro-6-fluoropicolinic acid (CAS 1211590-74-7)
- 1-(4-Cyanophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1239742-64-3)
- 2-Methyl-1-propyl-1,3-benzodiazole-5-carbonitrile (CAS 1403483-82-8)
- Methyl 2,3,3-trifluoro-3-methoxypropanoate (CAS 758-69-0)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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