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
Jinan Shangxin Chemicals Co.,Ltd:
  Jinan ShangXin chemical Co., Ltd, situated in Jinan Town of Shandong Province, is really a modern enterprise system established in compliance using the chemical enterprise. The organization is principally involved in Lithopone,carbon black, alum,Zinc, chrome oxide eco-friendly, Calcium Carbonate, Caustic soda, soda ash, sodium bicarbonate, phosphoric acidity, Oxalic Acidity, formic acidity, acetic acidity, borax,ammonium sulfate, sodium acetate, PE and other chemical raw materials products   At the moment, the organization has 1000 technology, production and management staff, who 30% staff bachelor degree, physician degree personnel take into account 10%, collected in the domestic chemical, oil chemical industry provides extensive senior professional and technical  
MM Biolabs Pvt Ltd:
MM Biolabs is really a 4 year old biotech company involved with both generic and new drug discovery and development. MM Biolabs has two business verticals, items and service including API supply. 
Pharmaceutical Shop:
Shandong Taihua Bio.&Tech.Co.,Ltd sales dep.:
Shandong Taihua Bio &Tech CO.,Ltd is really a leading manufacturer of steroid recycleables with advanced technics, Established in 2004,also it Locates in the feet of Taishan Mountain -Taian Hi- tech.Development Zone,Shandong Province with total assets add up to six million dollars./ /We're a primary supplier in hormone raw material field,Our Items are number of intermediates in addition to APIs of prednisolone,Betamethasone,Budesonide,halcinonide in excess of 20 items(Pl.make reference to items catalog) We've two sub-industrial facilities situated in Tianjin and Hunan Province,Hunan chengda Bio.&Tech.CO,.ltd is a factory we've who offers the majority of API intermediates for all of us,and Tianjin Sinhualian Worldwide Trade Co., Ltd may be the primary sales department people./ / The API  
Dejia Chemicals Co., Ltd:
zhangjiagang xinya chemical co.,ltd:
         Zhangjiagang Xinya Chemical Co., Ltd., Founded in '09, is situated within the beautiful national civilized city - Zhangjiagang, Jiangsu Province. The factory is within Rugao Fine Chemical Park in Jiangsu Province,where's separated from Zhangjiagang by river, and occupies a place of 30 mu.           Our company is dedicated to the manufacture ofethyl silicate-40, ethyl silicate-32,ethyl silicate-28 and tetraethyl orthosilicate 99% using the annual creation of 10,000 tons,Trimethyl Phosphate and flame retardant series using the annual creation of 3,000 tons.We adopt foreign advanced technology continuous direct method and strictly implement ISO9001 quality system to help keep our prod 
Spectrum Info Ltd.:
Nagpur Chemicals:
Taizhou Weizhen Optical Instrument Technology Co.,Ltd:
Taizhou Weizhen Optical Instrument Technology Co., Ltd. was established in 2005,Website:, located in central coast of Zhejiang province, near Taizhou airport. We are a factory specialized in producing ophthalmic instruments sets and eyeglasses processing equipment.? Weizhen has advanced production equipment, quality assurance systems and perfect after sales services. We have strong technical power, perfect research and development teams and professional engineers. Weizhen is a high-tech enterprise engaged in the development, design, production and sales.? 
Anji Xinghao Furniture Factory:
XINGHAO is a manufacturer which combines the design,Website:, product development and manufacturing of modern office furniture. XINGHAO specializes in the manufacturing of high-quality bar chairs, and office chairs. A professional staff in this field guarantees the high quality and novel style of our products; strict quality management and perfect after-sale service are highly praised and trusted by our clients, which also lays a solid foundation for the further steady development of XINGHAO. Now we stay focused on the present and look to the future. A stunning success is only a beginning for XINGHAO because we still have a long way to go. In the future, XINGHAO will learn from the past and make greater progress. Aiming at “superior products and more profession 
Yangzhou prosperity textile machinery co.,ltd:
Yangzhou prosperity textile machinery co.,ltd is one professional textile and dyeing &printing machinery supplier,Website:, our company is located in the industry park of beautiful city—Yangzhou ,Jiangsu province, very convenient traffic , only 250km far away china economic centre—Shanghai. We have professional machinery design team, always dedicate to develop and research singeing machine new technology for many years, currently mainly produce singeing machine configured with aluminum alloy energy save double jet burners. In the fabric dyeing process, we make various drum type dyeing machine , includes: atmospheric jigger, HT jigger, liquid overflow dyeing machine, air flow dyeing machine, beam dyeing machine, package dyeing machine, laboratory dyeing ma 
TianJin Tuohang Chemical International Trade Co., Ltd.:
TianJin Tuohang Chemical Worldwide Trade Co., Ltd. is really a professional modern enterprise integrating product, making and purchase.We have generate a good enterprise image by correct market positioning and advanced management concepts and won very good of several clients with trust.We've our very own industrial facilities in Hebei Province, North China, and two offices in Tianjin city,we are among the two offices. Our Organization mainly exports organic and inorganic chemical materials such ascarbon Black, titanium dioxide,Zinc,Caustic soda, lithopone,and Sodium Tripolyphosphate etc. The business's business involves painting, leather, construction materials, textile etc.To higher service for the clients,our organization continuously enhances the caliber of items, pays much focus on the 
LingShouHuaJing Mica Co.,Ltd.:
Hangzhou Haori Chemicals Import and Export Co., Ltd.:
Sino-Future Bio-tech Co., Ltd.:
profile: Sino-Future Bio-tech Co., Ltd. is active in the development, production and processing of plant extract phytochemical & pharmaceutical raw material. Our plant extracts include allicin, Andrographolide, acetylaconitine, Apigenin, Anemonin, Amygdalin, Artemisinine, Artesunate, Artemether, Arbutin, Astilbin, Astaxanthin, Baicalin, Barbaloin, Betulin, Betulinic acidity, Bilobalide, Bergeninum and berbamine. We provide berberine, Borneolum Syntheticum, Breviscapine, Bulleyaconitine A, Beta-Carotene, Camptosar, camptothecin, Cephalomannine, chlorogenic acidity, COLCHICINE, cordyecepin, Curcumin, Chrysin, Cryptotanshinone and Cytisine. We provide dihydroArtemisinine, daidzein, Diosmin, Daphnetin, diosin, Docetaxel, D-raffinose, Emodin, Echinacea, Esculin, Evodiamine, ecdysterone, Ella