6-Oxo-1,6-dihydropyrimidine-5-sulfonyl chloride CAS 1211581-63-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1211581-63-3 |
| Molecular Formula | C4H3ClN2O3S |
| Molecular Weight | 194.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Oxo-1,6-dihydropyrimidine-5-sulfonyl chloride (CAS 1211581-63-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C4H3ClN2O3S. Molecular weight: 194.60 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C4H3ClN2O3S |
| Molecular Weight | 194.60 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 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Oxo Standards
- 4-Oxo-1,4-dihydropyrimidine-5-carbonyl chloride (CAS 59793-47-4)
- 2-Oxo-1,2-dihydropyrimidine-4-carbohydrazide (CAS 1148048-79-6)
- 4-Oxo-1,4-dihydropyrimidine-5-carbohydrazide (CAS 89323-13-7)
- 2-Oxo-1,2-dihydropyrimidine-4-carboxylic Acid (CAS 89379-73-7)
- 6-Oxo-5,6-dihydropyrimidine-4-carboxylic acid (CAS 1860506-22-4)
- 6-Oxo-1,6-dihydropyrimidine-5-carboxylic acid (CAS 65754-04-3)
- 2-Oxo-1,2-dihydropyrimidine-4-carboxamide (CAS 1823869-72-2)
- 2-Oxo-2,3-dihydropyrimidine-4-carbaldehyde oxime (CAS 7460-56-2)
Recommended Standards
- 4-Chloropyrimidine-2-sulfonic acid (CAS 1209459-59-5)
- Titanium aluminium carbide (CAS 196506-01-1)
- 6-Chloropyrimidine-4-sulfonic acid (CAS 1209458-69-4)
- 1,3-Difluoro-2-(4-fluoro-3-nitrophenoxy)-5-(trifluoromethyl)benzene (CAS 2244087-40-7)
- Meperfluthrin (CAS 915288-13-0)
- 4,8-Bis((2-hexyldecyl)oxy)benzo[1,2-b:4,5-b']dithiophene (CAS 1254985-73-3)
- 1-Cyclohexyl-3-phenylpropan-2-amine (CAS 4442-86-8)
- 3-Formyl-N,N-dimethylbenzenesulfonamide (CAS 132390-68-2)
- 2-(1-(Isopropylamino)ethyl)aniline (CAS 862093-81-0)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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