N-(4-Chloropyrimidin-2-yl)methanesulfonamide CAS 1694010-55-3
| CAS No. | 1694010-55-3 |
| Molecular Formula | C5H6ClN3O2S |
| Molecular Weight | 207.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 207.64 g/mol gives N-(4-Chloropyrimidin-2-yl)methanesulfonamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(4-Chloropyrimidin-2-yl)methanesulfonamide (CAS 1694010-55-3) is a high-purity analytical reference standard with the molecular formula C5H6ClN3O2S and a molecular weight of 207.64 g/mol.
Owing to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, N-(4-Chloropyrimidin-2-yl)methanesulfonamide is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 207.64 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), N-(4-Chloropyrimidin-2-yl)methanesulfonamide 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 | C5H6ClN3O2S |
| Molecular Weight | 207.64 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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- ethyl 2-(2-chloropyrimidin-5-yl)acetate (CAS 917025-00-4)
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Recommended Standards
- 2-Amino-5-chloropyridine-3-sulfonamide (CAS 163137-44-8)
- Ethyl (5-chloro-1,3,4-thiadiazol-2-yl)carbamate (CAS 60320-58-3)
- 5-Chloro-2-(methylsulfonyl)pyrimidin-4-amine (CAS 1378943-72-6)
- N-(3-Chloropyrazin-2-yl)methanesulfonamide (CAS 724442-38-0)
- 2,2',2''-nitrilotris(N,N-dimethylacetamide) (CAS 51930-98-4)
- 2-(Methylthio)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 2222959-56-8)
- 4-Oxo-6,7,8,9-tetrahydro-4H-pyrazino[1,2-a]pyrimidine-3-carbonitrile (CAS 2092038-14-5)
- 2-(4-Amino-3-benzyl-2,6-dioxo-3,6-dihydropyrimidin-1(2h)-yl)acetic acid (CAS 1239788-14-7)
- 4-(2-Hydroxypropan-2-yl)-6-(trifluoromethyl)picolinic acid (CAS 1379375-74-2)
- tert-Butyl N-[(3S,4S)-4-methoxypyrrolidin-3-yl]-N-methylcarbamate (CAS 174727-04-9)
- N-methyloxetan-3-amine hydrochloride (CAS 1799412-41-1)
- 2,2-Dimethoxyethane-1-thiol (CAS 89055-43-6)
- 2-((5-(2-Chlorophenyl)-4-cyclopentyl-4H-1,2,4-triazol-3-yl)thio)-N-(2-cyano-3-methylbutan-2-yl)acetamide (CAS 757216-11-8)
- Copper Peptide ·2 acetate salt (CAS 130120-57-9)
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