CAS 66648-50-8: Ethyl 3,4-dihydroxycinnamate
Description:Ethyl 3,4-dihydroxycinnamate, with the CAS number 66648-50-8, is an organic compound that belongs to the class of cinnamic acid derivatives. It is characterized by the presence of an ethyl ester group attached to a cinnamic acid backbone, which features two hydroxyl groups at the 3 and 4 positions of the aromatic ring. This compound typically appears as a pale yellow to light brown solid or liquid, depending on its purity and form. Ethyl 3,4-dihydroxycinnamate exhibits antioxidant properties, making it of interest in various applications, including cosmetics and food preservation. Its structure allows for potential interactions with biological systems, contributing to its role in health-related studies. The compound is soluble in organic solvents and has limited solubility in water, which is typical for many aromatic compounds. Safety data should be consulted for handling and usage, as with all chemical substances, to ensure proper precautions are taken.
Formula:C11H12O4
InChI:InChI=1S/C11H12O4/c1-2-15-11(14)6-4-8-3-5-9(12)10(13)7-8/h3-7,12-13H,2H2,1H3/b6-4+
InChI key:InChIKey=WDKYDMULARNCIS-GQCTYLIASA-N
SMILES:O=C(OCC)C=CC1=CC=C(O)C(O)=C1
- Synonyms:
- (E)-Caffeic acid ethyl ester
- 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, ethyl ester, (2E)-
- 2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, ethyl ester, (E)-
- Ethyl 3-(3,4-Dihydroxyphenyl)Prop-2-Enoate
- Ethyl caffeate
- Ethyl trans-caffeate
- Ethyl(E)-3-(3,4-dihydroxyphenyl)acrylate
- trans-Caffeic acid ethyl ester
- trans-Caffeoyl ethyl ester
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | Caffeic acid ethylester REF: 11-6498CAS: 66648-50-8 | (HPLC) ≥95% | 109.00 € | Tue 22 Apr 25 |
![]() | Ethyl caffeate REF: IN-DA003Q6ICAS: 66648-50-8 | 95% | 49.00 €~130.00 € | Tue 29 Apr 25 |
![]() | Ethyl trans-caffeate REF: 54-BUP00069CAS: 66648-50-8 | ≥90% | 84.00 €~127.00 € | Mon 28 Apr 25 |
![]() | Ethyl trans-caffeate REF: TM-T3S0013CAS: 66648-50-8 | 92.87% | 54.00 €~86.00 € | Tue 06 May 25 |
![]() | Ethyl trans-caffeate REF: 5G-83086CAS: 66648-50-8 | ≥ 90.0 % (HPLC) | 108.00 €~1,341.00 € | Tue 06 May 25 |
![]() | Ethyl 3,4-dihydroxycinnamate, 97% REF: 02-B24808CAS: 66648-50-8 | 97% | - - - | Discontinued product |
![]() | Ethyl dihydroxycinnamate REF: 3D-FE32669CAS: 66648-50-8 | Min. 95% | - - - | Discontinued product |

Caffeic acid ethylester
Ref: 11-6498
100mg | 109.00 € |

Ethyl caffeate
Ref: IN-DA003Q6I
1g | 49.00 € | ||
5g | 106.00 € |

Ethyl trans-caffeate
Ref: TM-T3S0013
20mg | 55.00 € | ||
50mg | 86.00 € | ||
1mL*10mM (DMSO) | 55.00 € |

Ethyl trans-caffeate
Ref: 5G-83086
100mg | 198.00 € | ||
250mg | 393.00 € | ||
500mg | 740.00 € | ||
1000mg | 1,341.00 € |

Ethyl 3,4-dihydroxycinnamate, 97%
Ref: 02-B24808
1g | Discontinued | Request information | |
25g | Discontinued | Request information |

Ethyl dihydroxycinnamate
Ref: 3D-FE32669
2g | Discontinued | Request information | |
5g | Discontinued | Request information | |
10g | Discontinued | Request information | |
25g | Discontinued | Request information | |
50g | Discontinued | Request information |