6-Chloro-3,4-dihydro-2H-pyran CAS 40446-77-3
| CAS No. | 40446-77-3 |
| Molecular Formula | C5H7ClO |
| Molecular Weight | 118.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 6-Chloro-3,4-dihydro-2H-pyran (CAS 40446-77-3), a certified reference material (molecular formula C5H7ClO, MW 118.56 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H7ClO, 6-Chloro-3,4-dihydro-2H-pyran contains a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 118.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 6-Chloro-3,4-dihydro-2H-pyran 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 | C5H7ClO |
| Molecular Weight | 118.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 3-Methylbut-2-enoyl chloride contains 400 ppm phenothiazine as inhibitor 3,3-Dimethylacryloyl chloride 3-Methylcrotonoyl chloride Senecioyl chloride 3-Methyl-2-butenoyl chloride 3350-78-5 (CAS 3350-78-5)
- 3-chlorobicyclo[1.1.1]pentan-1-ol (CAS 2227206-14-4)
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- 2-Methylenebutanoyl chloride (CAS 4390-96-9)
- 2-Chloro-5-(3,4-dimethoxybenzoyl)pyridine (CAS 122628-37-9)
- Phenyl benzo[d][1,3]dioxol-5-ylcarbamate (CAS 176906-00-6)
- 5-Difluoromethoxy-6-fluoropicolinic acid (CAS 1807181-62-9)
- Methyl 3-amino-4-cyano-1-methyl-1h-pyrrole-2-carboxylate (CAS 587868-36-8)
- 1-Bromo-1,1,2,2-tetrafluorobutane (CAS 127117-30-0)
- Adoxal (CAS 141-13-9)
- 2-(((Tert-butyldimethylsilyl)oxy)methyl)furo[3,2-b]pyridine-6-carbaldehyde (CAS 1171920-38-9)
- 2-Chloro-5-cyclopropoxy-4-fluoropyridine (CAS 1243375-83-8)
- 1-(4-Methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-5-propyl-1H-pyrazole-4-carboxylic acid (CAS 1350988-92-9)
- Proinsulin C-Peptide (55-89) (human) (CAS 11097-48-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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