5-Chloro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione CAS 137530-46-2
| CAS No. | 137530-46-2 |
| Molecular Formula | C8H9ClN2O4S |
| Molecular Weight | 264.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies 5-Chloro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione (CAS 137530-46-2), a certified reference material (molecular formula C8H9ClN2O4S, MW 264.69 g/mol) for analytical method development and quality control.
Structurally, 5-Chloro-1-((2S,5R)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)pyrimidine-2,4(1H,3H)-dione (C8H9ClN2O4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 264.69 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C8H9ClN2O4S |
| Molecular Weight | 264.69 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 |
| 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-N,N-dimethyl-5-nitrobenzenesulfonamide (CAS 10372-90-4)
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Recommended Standards
- 5-(4-Chloropyrimidin-5-yl)-3-(thiophen-3-yl)-1,2,4-oxadiazole (CAS 1370595-20-2)
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- 4-methyl-3-(trifluoromethyl)benzene-1-sulfonyl chloride (CAS 151258-36-5)
- Methyl 2-(6-chloropyridine-3-sulfonamido)acetate (CAS 1016698-31-9)
- 4-Amino-3-(methylamino)phenol (CAS 1081768-55-9)
- 2-(4-(Trifluoromethyl)phenoxy)propanoicacid (CAS 69484-34-0)
- 5,6-Dimethyl-3-(piperazin-1-yl)pyridazine-4-carboxamide (CAS 1258652-19-5)
- 2-Hydroxy-N,N-dimethyl-6-sulfamoylbenzamide (CAS 1243429-09-5)
- 6,7-dihydropyrrolo[3,4-b]pyrazin-5-one;hydrochloride (CAS 2624417-02-1)
- Lacto-N-difucohexaose II (CAS 62258-12-2)
- 2-(4-Benzylpiperazin-1-yl)-N-(2-cyanophenyl)acetamide (CAS 303091-39-6)
- 4-Fluoro-N-(piperidin-3-ylmethyl)benzenesulfonamide hydrochloride (CAS 1353971-00-2)
- 4-Cyano-2-methylbenzenesulfonyl chloride (CAS 1251110-16-3)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
Why CATO?
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