Rosemary Extract (Rosmarinic Acid 5%)
8 Inquiries
20283-92-5
5%, 10%, 20% rosmarinic acid content (5% grade in stock)
Shanghai
25KG
Yes
2026-09-30
Photoinitiators
-
Product Details
-
Seller Information
-
History Price
-
Inquiry History
-
DescriptionECHEMI Editorial ReferenceRosmarinic acid (RA) is a widespread phenolic ester compound in the plants. Rosmarinic acid inhibits MAO-A, MAO-B and COMT enzymes with IC50s of 50.1, 184.6 and 26.7 μM, respectively.Basic Info
-
Product Name:
Rosmarinic acid
Other Name: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
CAS No.:20283-92-5
Molecular Formula:C18H16O8
InChIKeys:InChIKey=DOUMFZQKYFQNTF-WUTVXBCWSA-N
Molecular Weight:360.31500
Exact Mass:360.31
EC Number:606-487-1
HScode:2932999099
Categories:
Characteristics-
PSA:
144.52000
XLogP3:2.4
Appearance:Solid
Density:1.547g/cm3
Melting Point:169-171.5 °C
Boiling Point:694.7ºC at 760 mmHg
Flash Point:254.5ºC
Refractive Index:1.713
Water Solubility:soluble in ethanol, DMSO or dimethyl formamide to approximately 25 mg/mL
Vapor Pressure:2.92E-20mmHg at 25°C
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 3, Oral
Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Danger
Hazard statement(s) H301 Toxic if swallowed
H400 Very toxic to aquatic life
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P273 Avoid release to the environment.
Response P301+P316 IF SWALLOWED: Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P330 Rinse mouth.
P391 Collect spillage.
Storage P405 Store locked up.
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
-
-
Seller Information
-
Business Type:
Distributor
-
Main Products:
Photoinitiators
-
Location:
Airedale house, 423 Kirkstall Road, Leeds, UK, LS4 2EW
-
Total Annual Revenue:
$5 million-$10 million
-
Total Employees:
11-50
-
Year of Establishment:
2018
-
-
Weekly Price
The chart shows the price trend of the product in the past 12 months.
-
Inquiry History8 Inquiries
Country Product Purchase Quantity Date Posted 
Spain
Rosmarinic acid
100 KG Sep 23, 2026 
New Zealand
Rosmarinic acid
250 G Jan 29, 2026 
India
Rosmarinic acid
1 KG Jan 7, 2026 
Argentina
rosmarinic acid
1 G Jan 7, 2026 
South Korea
Rosmarinic acid 99%
100 G Aug 5, 2025 
United Kingdom
Rosmarinic acid
1 KG Jun 29, 2025 
Hungary
Rosmarinic acid
1 KG Nov 20, 2024 
Italy
Rosmarinic acid
200 KG Jun 22, 2024 Post an enquiry for this product
More from this Seller
Hot Related Products
-
![Protocatechualdehyde 99%]( "Protocatechualdehyde 99%")
Protocatechualdehyde 99% -
![Top Quality Pharmaceutical Intermediates Organic Spices Synthesis 99% Pure CAS 139-85-5 3, 4-Dihydroxybenzaldehyde/Protocatechualdehyde Powder]( "Top Quality Pharmaceutical Intermediates Organic Spices Synthesis 99% Pure CAS 139-85-5 3, 4-Dihydroxybenzaldehyde/Protocatechualdehyde Powder")
Top Quality Pharmaceutical Intermediates Organic Spices Synthesis 99% Pure CAS 139-85-5 3, 4-Dihydroxybenzaldehyde/Protocatechualdehyde Powder -
![Top factory Supply CAS No 331-39-5 Derivative Caffeic Acid]( "Top factory Supply CAS No 331-39-5 Derivative Caffeic Acid")
Top factory Supply CAS No 331-39-5 Derivative Caffeic Acid -
![Vitamin E oil]( "Vitamin E oil")
Vitamin E oil$24/KG EXW
-
![High quality and low price Supply Caffeic Acid Raw Material Powder CAS 331-39-5]( "High quality and low price Supply Caffeic Acid Raw Material Powder CAS 331-39-5")
High quality and low price Supply Caffeic Acid Raw Material Powder CAS 331-39-5 -
![Nutritional ingredient Natural D-Alpha Tocopherol 1000IU/g]( "Nutritional ingredient Natural D-Alpha Tocopherol 1000IU/g")
Nutritional ingredient Natural D-Alpha Tocopherol 1000IU/g -
![High Quality Vitamin E 99% Liquid 59-02-9-Shaanxi Dideu Medichem Co.Ltd]( "High Quality Vitamin E 99% Liquid 59-02-9-Shaanxi Dideu Medichem Co.Ltd")
High Quality Vitamin E 99% Liquid 59-02-9-Shaanxi Dideu Medichem Co.Ltd$1/KG FOB
-
![3,4-Dihydroxybenzaldehyde,139-85-5,99,chemical raw material, dye intermediate, pharmaceutical intermediate, organic synthesis,]( "3,4-Dihydroxybenzaldehyde,139-85-5,99,chemical raw material, dye intermediate, pharmaceutical intermediate, organic synthesis,")
3,4-Dihydroxybenzaldehyde,139-85-5,99,chemical raw material, dye intermediate, pharmaceutical intermediate, organic synthesis, -
![TOCOPHEROL ( Vitamin E ) 67% Clear brownish-red or amber oil Natural source 1000IU Mecacol]( "TOCOPHEROL ( Vitamin E ) 67% Clear brownish-red or amber oil Natural source 1000IU Mecacol")
TOCOPHEROL ( Vitamin E ) 67% Clear brownish-red or amber oil Natural source 1000IU Mecacol -
![Vitamin E 59-02-9]( "Vitamin E 59-02-9")
Vitamin E 59-02-9$1-1.3/KG EXW
