CAS Search
Related Chemical Product
Chemical Product CAS:20283-92-5Rosmarinic acid

Rosmarinic acid

  • CAS No:

  • Name:

    Rosmarinic acid
  • Molecular Formula:

  • Molecular Weight:

Buy Chemical NO: 20283-92-5
  • Urgent Purchase CAS NO.:20283-92-5
  • Please post your buying leads! Our suppliers will contact you later!
  • For suppliers to better understand your request, enter more info here.

* Product Name:
CAS No.:
* Quantity:
 Metric Ton     Kilogram    Gram    Pound
* Valid For:
 5 Days    15    1 Month    3 Month    6 Month    1 Year
* Description:

Max 2000 characters.  Please enter detailed description for the product.
* Email:

Rosmarinic acid ( CASNO:20283-92-5 )

Identification and Related Records
Rosmarinic acid
CAS Registry number:
Iupac name:
4-dihydroxyphenyl)prop-2-enoyl]oxypropanoic acid
Benzenepropanoicacid, a-[[(2E)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propen-1-yl]oxy]-3,4-dihydroxy-,(aR)-
Benzenepropanoicacid, a-[[(2E)-3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl]oxy]-3,4-dihydroxy-,(aR)- (9CI)
Benzenepropanoic acid, a-[[3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl]oxy]-3,4-dihydroxy-,[R-(E)]-
Cinnamic acid, 3,4-dihydroxy-, 2-ester with3-(3,4-dihydroxyphenyl)lactic acid
Rosmarinic acid (6CI,7CI)
MamorekkuRUH 2
RM 21A
trans-Rosmarinic acid
Molecular Formula:
Molecular Weight:
Canonical SMILES:
Isomers smiles:
Chemical and Physical Properties
red-orange powder
Melting Point:
171-175 °C(lit.)
Boiling Point:
694.7 °C at 760 mmHg
Flash Point:
254.5 °C
Computed Properties:
Molecular Weight:360.31484 [g/mol]
Molecular Formula:C18H16O8
H-Bond Donor:5
H-Bond Acceptor:8
Rotatable Bond Count:7
Tautomer Count:288
Exact Mass:360.084517
MonoIsotopic Mass:360.084517
Topological Polar Surface Area:145
Heavy Atom Count:26
Formal Charge:0
Isotope Atom Count:0
Defined Atom Stereocenter Count:0
Undefined Atom Stereocenter Count:1
Defined Bond Stereocenter Count:1
Undefined Bond Stereocenter Count:0
Covalently-Bonded Unit Count:1
Feature 3D Acceptor Count:3
Feature 3D Donor Count:4
Feature 3D Anion Count:1
Feature 3D Ring Count:2
Effective Rotor Count:7
Conformer Sampling RMSD:1
CID Conformer Count:292
Safety and Handling
WGK Germany:?3
RTECS: GD8990000
Rosmarinic acid ,its CAS register number is?20283-92-5, it's called for 4aR-(4aa,9b,10a,10ab)]-1,3,4,9,10,10a-Hexahydro-5,6,9-trihydroxy-1,1-dimethyl-7-(1-methylethyl)-2H-10,4a-(epoxymethano)phenanthren-12-one ; (4aR,10aα)-1,3,4,9,10,10a-Hexahydro-5,6,9α-trihydroxy-1,1-dimethyl-7-(1-methylethyl)-2H-10β,4aβ-(epoxymethano)phenanthren-12-one ; 20-Deoxocarnosol ; 6β,7α,11,12-Tetrahydroxyabieta-8,11,13-trien-20-oic acid 20,6-lactone ; EGxp0_000163 ; ACon1_001068 ; CHEBI:50371 ; AIDS026336 ; MLS000697677 ,and so on. Rosmarinic acid is a red-orange powder,and it is slightly soluble in water. Removal in wastewater treatment of Rosmarinic acid (CAS No.20283-92-5) can be stated as follows:
Total removal: 2.11? percent
Total biodegradation: 0.09? percent
Total sludge adsorption: 2.02? percent
Total to Air: 0.00? percent
(using 10000 hr Bio P,A,S)
Biomedical Effects and Toxicity
Biological Activity:
Anti-inflammatory, cytostatic and antiviral.
Chemical Company
Hangzhou WREN Hydraulic Equipment Manufacturing Co.,Ltd EG:
Fuyang Yinhe Paper Co., Ltd. is a joint venture established in 2007. We are a professional large scale manufacturer of duplex board,Website:, Integrating development and production together. Now we have a specific exporting team to take care of overseas orders. We have advantage wide machine to produce Duplex board (230~500GSM) & Triplex board (250~450GSM). We also import the advance cutting machine and automatic packaging line. YINHE(YH) brand is exported regularly all over the world. So far our paper has been sold to 5 continents with more than 40 countries. Our main markets are the Middle East, South America, Southwest Europe & Africa. Our quality is highly appreciated by customers because of consistency. We have joined several business counterparts to 
hubei minghui pharmacuetical co.,ltd:
 We Hubei Minghui Pharmaceutical CO.,LTD are factory which specialized in makingNatural/pure L-Borneol. The most important is that we are the ONLY borneol manufactorywhich passed theGMP certificatedinChina. And the puritycan be above96%.Match up against Synthetical borneol. It's no toxic side-effect. We presently have our very own processing workshop covered about 6000 square meters, Blumea Balsamifera(L. )Electricity planting base about 1, 320 1000 square meters, and an entire group of natural borneol purification equipments. Using the sufficient experience of natural plant removing and strict qc system, our items happen to be approved by all sorts of fields. 
Jinan Hongfangde Pharmatech Co.LTD:
Jinan Hongfangde Pharmatech Co.,Ltd.(formerly referred to as Shandong Hongfuda Pharmchem Co.,Ltd.) is really a high-tech stock enterprise. the headquarters and development center lie in Jinan high-tech zone, Shangdong Province,China. 
Dong Guan Noves electronics co ., ltd:
Noves Electronics Co. Ltd. was established in 2002. The Company & its production complex is located at Dong Guan City,Website:, China with easy access to the nearest Terminals in Hong Kong & Shenzhen. Our strength & expertise : We specialize in the production of composite materials, engineering plastic, composite stone (Durostone), Bakelite sheet, glass fiber POM sheet & Acrylic. Composite material (Durostone ) is an essential element for wave solder / reflow pallet for PCB assembly & SMT Solder fixtures. The production of Durostone requires high-end technology & professional know-how, only a limited few companies in the world are qualified to meet the high standard & “Noves” is proud to be one of the leading manufacturers in the market. We pledge to assure hi 
 DesignChem C0., Ltd. is really a high-tech enterprise situated in DeYang SiChuan Province focusing in R&D, manufacturing of recent APIs and pharmaceutical intermediates. Possessing an expert management executive team and a gifted technical team, DesignChem keeps growing fast right into a modern enterprise established in chemical and pharmaceutical industry in China.       Our primary product series include new APIs and key intermediates, heterocyclclic Compounds, chiral compounds, amino acidity types, peptides,ETC. We devoted ourselves towards the development and innovation of sophisticated API molecules including anti-cancer, cardiovascular, and anti-diabetes drugs, ETC. We concentrate on and keep strengthening the size-up production technology.   &nbs 
wuxiang chemical co,.ltd:
Tianjin Topworkfine Chemical Co.,Ltd:
Jiaxing Hudong Househlod Auxiliaries Co.,Ltd:
Jiaxing Hudong Household Auxiliaries Co., Ltd. began in 1988. Situated in Jiaxing City, Zhejiang Province, it is just 100 km from Shanghai, the biggest industrial, Commercial, financial, import and export trade center of China, and 90 km from Hangzhou. With 4.hectare stretch of land and 15,000 square meters of creating area, the organization is an expert within the hydrogenation of natural fatty materials, final product and production. The primary items are emulsifiers for food products, medications and Cosmetics. Additionally, it produces special chemicals for textile and plastic processes. previously decades, we follow the principle of "production based on the guidance from the market", give consideration to technological development, execute rigorous qc, and do good to fulfil 
Oreworld Trade Company:
shanghai nanchuang pharmaticals Co.,Ltd:
L-Phenylalanine, 4'(Carboxymethyl)- 
LandGlass Technology Co., Ltd.23285:
AndGlass Technology Co., Ltd. (hereinafter known to as LandGlass), a hi-tech enterprise focusing within the development, manufacturing and marketing of glass tempering furnaces underneath the guidance of their philosophy of " integrity, quality, Innovation and service" that has been stuck to since its founding, is dedicated to the introduction of glass processing technologies to supply all sorts of world advanced glass tempering furnaces for clients to assist them to upgrade their items and make continuous progress in technological Innovation.To date, LandGlass has built the whole number of technical solutions for that flat and bent tempered glass items to satisfy the requirements in architectures, furniture, household home appliances, automobiles and Solar power industries. You will find  
Dongguan four snap plastic products Ltd:
Alkano Chemicals Inc.:
profile: Alkano Chemicals Corporation. is an expert in nutraceuticles for that food, Pharmaceutical and veterinary industries. We give a vast listing of other recycleables. 
Synpartner Co., Ltd.:
Xuan cheng Jing Rui Material Co,Ltd:
  Hangzhou Wanjing New Material Co., really a high-tech enterprise concentrating on research and growth and development of nanotechnology since 2001. We possess a R&D group featured with expert and pioneering spirit and have an unbiased intellectual qualities. we've established close and steady co-operating relationship with well-known colleges and institutes. In 2007,to grow production,our subsidiary company Xuan cheng jing rui new material co.,Ltd, started, locates in Xuancheng city, Anhui province. Focusing in nano oxides manufacturing. Primary Items and Annual production capacity: 2000 tons High purity alumina 1000 tons alumina nanopowder/nanopart 
jiangxi hongshun chemical co.,ltd:
Guiyang F.C. Chemicals Co., Ltd.:
shandong jiahua water treatment technology: