Rosmarinic acid
迷迭香酸
Also known as: (R)-Rosmarinic acid, Rosmarinate, Labiatenic acid, Rosemaric acid, Rosemary acid, MFCD00017740, (2R)-3-(3,4-Dihydroxyphenyl)-2-{[(2E)-3-(3,4-dihydroxyphenyl)-2-propenoyl]oxy}propanoic acid, 3,4-Dihydroxycinnamic acid (R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethyl ester, (R)-O-(3,4-Dihydroxycinnamoyl)-3-(3,4-dihydroxyphenyl)lactic acid, R-(+)-2-(3,4-Dihydroxycinnamoyloxy)-3-(3,4-dihydroxyphenyl)propionic acid
Rosmarinic acid (CAS 20283-92-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H16O8 and a molecular weight of 360.315 g/mol. It is also known as (R)-Rosmarinic acid, Rosmarinate and Labiatenic acid. Key properties include a melting point of 171-175 °C(lit.), a boiling point of 694.7±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 254.5±25.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20283-92-5
- Jingsj CID
- J-3360-2
- Molecular Formula
- C18H16O8
- Chinese Name
- 迷迭香酸
- Molecular Weight
- 360.315 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 171-175 °C(lit.) |
|---|---|
| Boiling Point | 694.7±55.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 254.5±25.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Rosmarinic acid?
The CAS number of Rosmarinic acid is 20283-92-5.
What are the molecular formula and molecular weight of Rosmarinic acid?
Rosmarinic acid has molecular formula C18H16O8 and molecular weight 360.315 g/mol.
Is Rosmarinic acid hazardous?
Rosmarinic acid has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Rosmarinic acid (CAS 20283-92-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3360-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.