4-Chloro-5,6-dihydro-2H-pyran-3-carboxylic acid CAS 1541667-98-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1541667-98-4 |
| Molecular Formula | C6H7ClO3 |
| Molecular Weight | 162.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5,6-dihydro-2H-pyran-3-carboxylic acid (CAS 1541667-98-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H7ClO3. Molecular weight: 162.57 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H7ClO3 |
| Molecular Weight | 162.57 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 | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
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Recommended Standards
- (S)-6-(Chloromethyl)dihydro-2H-pyran-2,4(3H)-dione (CAS 135999-58-5)
- 1-(2-Chloroacetyl)imidazolidin-2-one (CAS 57013-09-9)
- 2-(chloromethyl)-5-(methoxymethyl)-1,3,4-oxadiaZole (CAS 1248308-40-8)
- (2R)-1,1-difluoro-2-palmitoyloxy-3-phosphopropane (CAS 474329-47-0)
- 2-(4-Trifluoromethylphenoxy)pyridine-5-boronic acid (CAS 1256358-58-3)
- 2-Cyclohexylpyrimidine-5-carboxylic acid (CAS 933989-89-0)
- {4-[(2-methyl-1h-imidazol-1-yl)methyl]phenyl}methanamine (CAS 954578-11-1)
- 2-(4-fluorophenyl)-5-(trimethylsilyl)-1,3,4-oxadiazole (CAS 890405-12-6)
- Relugolix Impurity 68 (CAS CATO-C4X-242968)
- Mast Cell Degranulating (MCD) Peptide HR-2 (CAS 80388-04-1)
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