C6H10O2
114.14 g/mol
Pharmaceutical IntermediateDanger
3,4-Dihydro-2-methoxy-2H-pyran
CAS4454-05-1EC224-698-3
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
3,4-Dihydro-2-methoxy-2H-pyran is a cyclic ether compound used as a chemical intermediate in organic synthesis. Its structure features a non-aromatic oxygen-containing heterocycle with moderate polarity and low molecular weight.
Chemical intermediate for synthesis
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Referencesame scaffold
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Stabilizer and intermediate
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Referencesame scaffold
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Safety Reference
Danger
H225Highly flammable liquid and vapour
H226Flammable liquid and vapour
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H371May cause damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 3,4-Dihydro-2-methoxy-2H-pyran (CAS 4454-05-1) is 2932.99.
HS code (international, 6-digit)
2932.99
EU CN code (8-digit)
2932 99 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-methoxy-3,4-dihydro-2H-pyran
InChIKey
XCYWUZHUTJDTGS-UHFFFAOYSA-N
SMILES
COC1CCC=CO1
Synonyms (8)
- 2-MDHP
- 2H-Pyran,4-dihydro-2-methoxy-
- 3,4-dihydro-2-methoxypyran
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