5-Chloro-6-hydroxy-2-(hydroxymethyl)pyrimidin-4(3H)-one CAS 1197-32-6
| CAS No. | 1197-32-6 |
| Molecular Formula | C5H5ClN2O3 |
| Molecular Weight | 176.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Chloro-6-hydroxy-2-(hydroxymethyl)pyrimidin-4(3H)-one.
5-Chloro-6-hydroxy-2-(hydroxymethyl)pyrimidin-4(3H)-one (CAS 1197-32-6), molecular formula C5H5ClN2O3 and molecular weight 176.56 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Chloro-6-hydroxy-2-(hydroxymethyl)pyrimidin-4(3H)-one (C5H5ClN2O3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 176.56 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 5-Chloro-6-hydroxy-2-(hydroxymethyl)pyrimidin-4(3H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN2O3 |
| Molecular Weight | 176.56 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 1-Chloro-3-(2,2,2-trifluoroethoxy)propane (CAS 1016495-32-1)
- Ethyl 5-Chloro-1,3,4-oxadiazole-2-carboxylate (CAS 1196154-19-4)
- Ethyl 5-chloro-1,2,4-oxadiazole-3-carboxylate (CAS 1393552-64-1)
- Ethyl 3-chloro-1,2,4-oxadiazole-5-carboxylate (CAS 1393568-53-0)
- 4-Chloro-3-hydroxy-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 1551493-58-3)
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Recommended Standards
- N-(4-Amino-1,2,5-oxadiazol-3-yl)-2-chloroacetamide (CAS 101140-12-9)
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- 5-Fluoro-3,3-dimethylindoline (CAS 225642-33-1)
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