(3R,4R,5R)-3-chloro-4-hydroxy-5-(hydroxymethyl)-3-methyldihydrofuran-2(3H)-one CAS 1496551-64-4
| CAS No. | 1496551-64-4 |
| Molecular Formula | C6H9ClO4 |
| Molecular Weight | 180.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (3R,4R,5R)-3-chloro-4-hydroxy-5-(hydroxymethyl)-3-methyldihydrofuran-2(3H)-one 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.
(3R,4R,5R)-3-chloro-4-hydroxy-5-(hydroxymethyl)-3-methyldihydrofuran-2(3H)-one (CAS 1496551-64-4), molecular formula C6H9ClO4 and molecular weight 180.59 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (3R,4R,5R)-3-chloro-4-hydroxy-5-(hydroxymethyl)-3-methyldihydrofuran-2(3H)-one (C6H9ClO4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 180.59 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 | C6H9ClO4 |
| Molecular Weight | 180.59 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
Recommended Standards
- 2-Chloro-3-(furan-2-yl)pyrazine (CAS 1488120-48-4)
- 6-chloropyrido[3,2-d]pyrimidin-4-amine (CAS 1499166-63-0)
- 2-Chloro-5-phenyl-1,3,4-oxadiazole (CAS 1483-31-4)
- 2-Chloro-n-cyanobenzamide (CAS 1514979-87-3)
- 3-(4-Aminophenyl)isoxazole-5-carboxylic acid (CAS 860367-71-1)
- 4-(Benzofuran-2-carboxamido)butanoic acid (CAS 223465-91-6)
- 2-(Benzyloxy)-N-[2-(4-methoxyphenoxy)ethyl]aniline (CAS 1040690-07-0)
- 3-Amino-6-methyl-1-(1-oxo-1-(piperidin-1-yl)propan-2-yl)pyridin-2(1H)-one (CAS 1443286-23-4)
- 4-Benzyl-5-(thiophen-3-ylmethyl)-4H-1,2,4-triazole-3-thiol (CAS 451502-05-9)
- 2-(4-tert-Butylphenyl)-7-chloro-4H-3,1-benzoxazin-4-one (CAS 271775-61-2)
- 1-((6-Chloropyridin-3-yl)methyl)piperidin-4-ol (CAS 939986-33-1)
- Nebramine Impurity N1 (CAS 1981-49-3)
- N1,N1,N2,N2-Tetraisopropyldiazene-1,2-dicarboxamide (CAS 155877-06-8)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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