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
Elites Holdings Limited:
Tianjin BoCheng Chemical Co., Ltd. situated in Chemical Park within the south of Haimen Bridge, tanggu, tianjin, began in 1996. We are among the professional producers and exporters ofsodium hydroxide / caustic soda flakes / solid / pearls soda ash light / densesodium sulphide.After greater than ten years' development, our annual product sales can be 100,000 tons for caustic soda, 200,000 soda ash and 100,000 sodium sulphide, the sales amount surpasses fifty million Yuan. We've progressed into an extensive enterprise which combines science and Technology, production and management. We've built subsidiary company, Elites Holdings Limited. Furthermore, we've established stable trade associations with clients from greater than 40 nations and regions according to equality and mutual benefit. W 
Shang Hai Boka Chemical Technology Co,.Ltd.:
Jaafar Chemical Co.,Ltd:
ⅠⅠJaafar Chemicals Co., Ltd is really a high and new-tech enterprise involved in the expansion, production and purchase of chemical recycleables. With this many years' experience and development, we've acquired a great fame within the fields of chemicals.ⅠⅠWe ,Jaafar Chemicals Co., LTD , mainly export Titanium Dioxide,Caustic Soda , phosphoric acid ,formic acidity, Sodium Tyipolyphosphate etc. Organic and inorganic chemical materials.Our company's business scope also involve painting, leather,construction materials,textile etc. we're always enhancing our design and designs to verify around the world market. And high-quality in addition to low cost can help push the sales in our items.ⅠⅠ"Quality first and Cusomer Foremost" is our pursuit forever. Furthermore, the very best-grade service 
Puyang Xinyi Chemical Limited Campany:
Lianyungang Ningkang Chemical Co., Ltd.:
Lianyungang Ningkang Chemical Co., Ltd began in 2007. It's situated in Lingang Industrial Park, Guanyun County, Lianyungang, P. r. China. We've invested over RMB 75000000 to built the biggest production facility of p-toluene sulfonic acidity. Plants of 3000MT/a m,p-cresol, 3000MT/a o-cresol, 1000MT/a couple,4-xylenol, 10,000MT/a butylated hydroxytoluene and 2000MT/a glycidyl methacrylate are also built. The caliber of items may be the existence in our company. There's competitive quality in our items in global market.  
The primary items of the organization are mixed ecological protection refrigerants R401/R402A/R404A/R406C/R408A/R409A/R410A/R415B/R417A/R507ETC and ELK-12 produced by ourselvessingle refrigerants propylene(R1270)/lp(R290)/isobutane(R600a)tetraflioroethane(R134a)/chlorodifluoromethane(R22)etc ecological protection industrial fuel propylene/lp/mapp gas etccamping gas includes the gas for top-mountain and isobutene flat tank.the standard in our items and production craft level inside a leading level.We possess a practical workshop section of 15000 square meters. focus on manufacture the substitute of CFC and other refrigerant and Welding & Brazing Gas(PROPYLENE,Gas). We own advanced development technologies Talent. We advocate ecological protection engineering. therefore we develop and p 
Reafon Industry Co., Ltd:
SJZ xintailongjiang chemical
Dr Prem's Molecules Pvt Ltd:
Qingdao xingguang chemicals co.,ltd:
Thanks for visiting Qingdao xingguang chemicals co.,ltd Qingdao XingGuang Chemicals Co., Ltd. was built-in 1997.We're an expert chemicals manufacturer.Domestic market regular clients from Hebei, Beijing.tianjin, Henan, Shandong Provinces Fujian Province etc. Move market regular clients from Thailand.Poultry.India.Puerto Rico.Iran etc nations.We've our very own factory in Shandong Province and we aslo agent others for the domestic partners. In the first period,We simply do domestic market.Using the growing of great benefit.We gain the best of export.we start do move.Qingdao Xingguang Chemicals Co.,Ltd Aspire to develop a lengthy business model together with your esteemed company. 
Wuhan Vanzpharm:
Wuhan Vanz Pharm Corporation., that is focused on custom synthesis and R&D, is situated in Wuhan, China. our primary items are indacaterol, carmoterol etc. We've established lengthy-term cooperation with Shanghai Institute of Organic Chemistry, Wuhan College etc. Like a special team in organic chemistry and medicinal chemistry, we offer the technology of R&D on cool product. We've strong advantages around the process research and product R&D, give consideration to researching and developing new technology that is self-possessed ip right. We're special at developing Drug for that respiratory system, Antidepressant, Anti-virus.  
Juding packing machinery(shanghai)co., ltd.:
Juding packing machinery ( Shanghai) Co., Ltd. was founded in 1997,Website:, is located in China's developed economy, convenient transportation of Shanghai Nanxiang Economic Development Zone, is currently one of the most professional R & D, manufacturing, sales and service packaging machinery manufacturing enterprise. Main product include quad flat bottom pouch making machine, bag in box bag making machine, stand up pouch with zipper bag making machine, penguin bag making machine, center seal four side seal bag making machine, three side seal bag making machine etc. We always adhere to the specialization, branding, diversification, internationalization strategy of enterprise development, integrity, pragmatic development, inspiring the "Juding" be the dom 
Xinxiang Rongsheng Printing And Dyeing Co., Ltd. are?specialized in producing and exporting Printing and dyeing fabric with more than 10 years' experiences. We offer a wide range of woven flannel,Website:, rayon, muslin and poplin, which are easily washable and have soft texture. Our fabric are available in various patterns, colors and size according to the clients' specifications. With environmental dye, our fabric have got good reputation from worldwide customers’ feedback. 
Goldlink Industries Co., Ltd:
Xuancheng Jingrui New Material Co., Ltd84212:
Uancheng Jingrui New Material Co., Ltd. is really a leading nanomaterials manufacturer, is an expert in nanotechnology for several years. The mind office and R&D center-Hangzhou Wanjing New Material Co., Ltd. was built-in 2001, locates Hangzhou, Zhejiang. Because of the good attract investment policy, we moved our production base to Xuancheng, Anhui in '09 and established Xuancheng Jingrui New Material Co., Ltd.Nowadays we've created an entire chain of researching, creating, Marketing and after-purchase maintenance.Our primary items include Nanometer Titanium Dioxide, Nanometer plastic dioxide,Nanometer Alumina, Nano Inorganic Antibacterial Agent, Nano ZrO2. That are broadly utilized in it and telecommunication, cosmetic, Plastic,Dope,Coating, textile,rubber,battery area and the like.Besid 
Zhengzhou Wanda large play equipment factory:
Lianhe Chemical Technology Co.,Ltd.:
Tangshan baifu Chemical Co,.Ltd.:
Our company TAIZHOU LIZHONG PUMP MFG CO.,LTD is located in the east-coastal sea of China-Yuhuan,Website:,Zhejiang Province.We are a leading manufacturer of oil pump with collection of researching.development and production for more than 30 years. LIZHONG covers the area of 11000 ㎡ with more than 200 staff,including 30 people working for engineering and 20 people for QC.We have achieved good result on the technical as well as manufacturing and annual production capacity reaches to 800,000 sets and it is increasing steadily year by year. We have passed the ISO900-2000 in the year of 2004 and ISO/TS16949:2009 in 2010 ,also pass the annual verification and repeat audit during these years.We always hold the concept of “quality first and prestige highest”,well follow