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Rosmarinic Acid
CAS: 20283-92-5 | C18H16O8
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
20283-92-5
Molecular Formula:
C18H16O8
Molecular Mass:
360.32 g/mol
Names and Synonyms:
Rosmarinic Acid
Benzenepropanoic acid, α-[[(2E)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propen-1-yl]oxy]-3,4-dihydroxy-, (αR)-
Cinnamic acid, 3,4-dihydroxy-, 2-ester with 3-(3,4-dihydroxyphenyl)lactic acid
Benzenepropanoic acid, α-[[3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl]oxy]-3,4-dihydroxy-, [R-(E)]-
Rosmarinic acid
Benzenepropanoic acid, α-[[(2E)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl]oxy]-3,4-dihydroxy-, (αR)-
(αR)-α-[[(2E)-3-(3,4-Dihydroxyphenyl)-1-oxo-2-propen-1-yl]oxy]-3,4-dihydroxybenzenepropanoic acid
Rosemary acid
Rosemaric acid
RM 21A
Mamorekku RUH 2
Meiji Red Perilla Polyphenol
trans-Rosmarinic acid
Labiatenic acid
Labiatic acid
NPLC 0542
SYL 001
Identifiers:
SMILES:
O=C(/C=C/c1ccc(O)c(O)c1)O[C@H](Cc1ccc(O)c(O)c1)C(=O)O
InChI:
InChI=1S/C18H16O8/c19-12-4-1-10(7-14(12)21)3-6-17(23)26-16(18(24)25)9-11-2-5-13(20)15(22)8-11/h1-8,16,19-22H,9H2,(H,24,25)/b6-3+/t16-/m1/s1
Key Properties
Melting Point
169-171.5 °C
CAS Common Chemistry
Spectral Data
NMR, IR, and Mass spectral data
1H NMR
13C NMR
Predicting NMR spectra...
10 ppm
9
8
7
6
5
4
3
2
1
0 ppm
| Shift (ppm) | Multiplicity | Integration | Assignment |
|---|
200 ppm
180
160
140
120
100
80
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 360.32 g/mol | CAS Common Chemistry |
| 360.3180000000001 g/mol | RDKit | |
| 360.0845174719999 g/mol | RDKit | |
| Wikipedia Url | https://en.wikipedia.org/wiki/Rosmarinic_acid | CAS Common Chemistry |
| Canonical SMILES | O=C(OC(C(=O)O)CC1=CC=C(O)C(O)=C1)C=CC2=CC=C(O)C(O)=C2 | CAS Common Chemistry |
| InChI | InChI=1S/C18H16O8/c19-12-4-1-10(7-14(12)21)3-6-17(23)26-16(18(24)25)9-11-2-5-13(20)15(22)8-11/h1-8,16,19-22H,9H2,(H,24,25)/b6-3+/t16-/m1/s1 | CAS Common Chemistry |
| InChI Key | InChIKey=DOUMFZQKYFQNTF-WUTVXBCWSA-N | CAS Common Chemistry |
| Melting Point | 169-171.5 °C | CAS Common Chemistry |
| Name | Rosmarinic acid | CAS Common Chemistry |
| Heavy Atom Count | 26 | RDKit |
| Hydrogen Bond Acceptors | 7 | RDKit |
| Hydrogen Bond Donors | 5 | RDKit |
| Rotatable Bonds | 6 | RDKit |
| Aromatic Ring Count | 2 | RDKit |
| Topological Polar Surface Area | 144.52 Ų | RDKit |
| LogP | 1.7612999999999996 | RDKit |
| Molar Refractivity | 89.79700000000004 | RDKit |
