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Molecule
Combretastatin A-4
CAS: 117048-59-6 · C18H20O5
2D Structure
3D Structure
Loading 3D structure...
Basic Information
- CAS Registry Number
- 117048-59-6
- Molecular Formula
- C18H20O5
- Molecular Mass
- 316.35 g/mol
Identifiers
CAS Registry Number
117048-59-6
SMILES
COc1ccc(/C=Cc2cc(OC)c(OC)c(OC)c2)cc1O
InChI Key
HVXBOLULGPECHP-WAYWQWQTSA-N
InChI
InChI=1S/C18H20O5/c1-20-15-8-7-12(9-14(15)19)5-6-13-10-16(21-2)18(23-4)17(11-13)22-3/h5-11,19H,1-4H3/b6-5-
Names and Synonyms
- Combretastatin A-4 Common Name
- Phenol, 2-methoxy-5-[(1Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]- Synonym
- Phenol, 2-methoxy-5-[2-(3,4,5-trimethoxyphenyl)ethenyl]-, (Z)- Synonym
- 2-Methoxy-5-[(1Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]phenol Synonym
- Combretastatin A4 Synonym
- NSC 817373 Synonym
- CRC 87-09 Synonym
- NSC 613729 Synonym
- Combretastatin 4 Synonym
- CA 4 Synonym
- 2′-Deoxycombretastatin A1 Synonym
- 2-Methoxy-5-[(Z)-2-(3,4,5-trimethoxyphenyl)ethenyl]phenol Synonym
- cis-Combretastatin A4 Synonym
- Cis-Combretastatin A4 Synonym
- C 7744 Synonym
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 316.35 g/mol | CAS Common Chemistry |
| 316.353 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Combretastatin_A-4 | CAS Common Chemistry |
| Canonical SMILES | OC1=CC(=CC=C1OC)C=CC2=CC(OC)=C(OC)C(OC)=C2 | CAS Common Chemistry |
| InChI | InChI=1S/C18H20O5/c1-20-15-8-7-12(9-14(15)19)5-6-13-10-16(21-2)18(23-4)17(11-13)22-3/h5-11,19H,1-4H3/b6-5- | CAS Common Chemistry |
| InChI Key | InChIKey=HVXBOLULGPECHP-WAYWQWQTSA-N | CAS Common Chemistry |
| Melting Point | 116-117 °C @ Solvent: Ethyl acetate | CAS Common Chemistry |
| Name | Combretastatin A4 | CAS Common Chemistry |
| Heavy Atom Count | 23 | RDKit |
| Hydrogen Bond Acceptors | 5 | RDKit |
| Hydrogen Bond Donors | 1 | RDKit |
| Rotatable Bonds | 6 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 57.150000000000006 Ų | RDKit |
| 57.15 Ų | RDKit | |
| LogP | 3.5970000000000035 | RDKit |
| 3.597 | RDKit | |
| Molar Refractivity | 89.68480000000005 cm³/mol | RDKit |
| Ring Count | 2 | RDKit |
| Formal Charge | 0 | RDKit |
| Fraction Csp3 | 0.2222 | RDKit |
| 0.22 | chempirical lib | |
| Exact Mass | 316.13107374 g/mol | RDKit |
Spectral Data
NMR, IR, and Mass spectral data
Predicting NMR spectra...
10 ppm
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5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
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60
40
20
0 ppm
| Shift (ppm) | DEPT | Assignment |
|---|
Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.
External Resources
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MW = 316.35 g/mol. Edit any field — others recompute live.