CAS 25090-33-9: 3,4-dihydro-2H-pyran-5-carbaldehyde
Description:3,4-Dihydro-2H-pyran-5-carbaldehyde is an organic compound characterized by its unique bicyclic structure, which includes a pyran ring and an aldehyde functional group. This compound features a six-membered ring containing one oxygen atom and is saturated with two hydrogen atoms, contributing to its dihydro designation. The presence of the aldehyde group at the 5-position makes it reactive, particularly in nucleophilic addition reactions. It is typically a colorless to pale yellow liquid with a distinctive odor, and it is soluble in organic solvents such as ethanol and ether. This compound is of interest in organic synthesis and may serve as an intermediate in the production of various pharmaceuticals and agrochemicals. Its reactivity and structural features make it a valuable building block in synthetic organic chemistry. Safety precautions should be taken when handling this compound, as it may pose health risks if inhaled or ingested.
Formula:C6H8O2
InChI:InChI=1/C6H8O2/c7-4-6-2-1-3-8-5-6/h4-5H,1-3H2
- Synonyms:
- 2H-pyran-5-carboxaldehyde, 3,4-dihydro-
- 3,4-DIHYDRO-2H-PYRAN-5-CARBALDEHYDE
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | 2H-Pyran-5-carboxaldehyde, 3,4-dihydro- REF: IN-DA002QFTCAS: 25090-33-9 | 98% | 50.00 €~325.00 € | Tue 01 Apr 25 |
![]() | 3,4-Dihydro-2H-pyran-5-carboxaldehyde REF: 54-OR3126CAS: 25090-33-9 | 98% | 89.00 €~318.00 € | Tue 08 Apr 25 |
![]() | 3,4-Dihydro-2H-pyran-5-carbaldehyde REF: 10-F218252CAS: 25090-33-9 | 95.0% | To inquire | Wed 09 Apr 25 |
![]() | 3,4-dihydro-2h-pyran-5-carbaldehyde REF: 3D-FD59314CAS: 25090-33-9 | Min. 95% | - - - | Discontinued product |

2H-Pyran-5-carboxaldehyde, 3,4-dihydro-
Ref: IN-DA002QFT
1g | 118.00 € | ||
5g | 325.00 € | ||
100mg | 50.00 € | ||
250mg | 65.00 € |

3,4-Dihydro-2H-pyran-5-carboxaldehyde
Ref: 54-OR3126
1g | 122.00 € | ||
5g | 318.00 € | ||
250mg | 89.00 € |

3,4-Dihydro-2H-pyran-5-carbaldehyde
- Ethers
- Aldehydes
- 3,4-Dihydro-2H-pyran
- Pyrans
- See more categories
- Esters and Derivatives
Ref: 10-F218252
1g | To inquire | ||
5g | 461.00 € | ||
100mg | To inquire | ||
250mg | To inquire |

3,4-dihydro-2h-pyran-5-carbaldehyde
Ref: 3D-FD59314
1g | Discontinued | Request information | |
250mg | Discontinued | Request information | |
500mg | Discontinued | Request information |