Caffeic acid/3,4-Dihydroxycinnamic acid/3-(3,4-dihydroxyphenyl)-2-acrylic acid/3,4-dihydroxyphenylacrylic acid/b-(3,4-dihydroxyphenyl) acrylic acid CAS 331-39-5

Min.Order: 5
Product origin: Nanjing, Jiangsu, China
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US$ 8 ~ 333

Description


GroupingOther reagents
Keywords

Caffeic acid

BrandNJDULY
Model R1953
Place of OriginNanjing, China (Mainland)
PaymentT/T
PortShanghai
Supply Capacity100 Piece/Pieces per Month
Packing5 g/piece
Other packagingPlease contact customer service
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English Name: caffeic acid; 3,4-Dihydroxycinnamic acid

Other names: 3 - (3,4-dihydroxyphenyl) - 2-acrylic acid; 3,4-dihydroxyphenylacrylic acid; β- (3,4-dihydroxyphenyl) acrylic acid; 3,4-dihydroxycinnamic acid; 3 - (3,4-dihydroxyphenyl) acrylic acid; hydrolyzed coffee tannin

CAS No.: 331-39-5

C9H8O4=180.16

Level: ar

Content: ≥ 98.0% (neutralization titration)

Moisture: ≤ 0.5%

Alcohol solubility test: slightly turbid

Color reaction of ferric chloride: in conformity with the regulations

Properties: yellow crystal or powder. Easily soluble in hot water and cold ethanol, slightly soluble in cold water. The alkali solution changes from yellow to orange. Soften at 194 ºC and decompose at 223 ~ 225 ºC. It's irritating. There is a possibility of cancer. Melting point: 194-198 ºC. There is a maximum absorption at the wavelength of 323 nm and a minimum absorption at the wavelength of 261 nm. The aqueous solution of this product is alkaline and red with hydrochloric acid, sodium nitrite and sodium hydroxide

Purpose: biochemical research. It is a natural phenolic acid compound in plants. It is an antioxidant. It inhibits the synthesis of leukotrienes (leukotrienes involve the regulation of immunity, inflammation and sensitivity) and the oxidation of LDL induced by Cu2 +

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Company Information

Nanjing Duly Biotech Co.,Ltd 

has been established for 11 years. It  is mainly engaded in biological and chemical reagents,including enzyme reagents, proteins, nucleic acids, pigments, amino acids, vitamins,carbohydrates, buffers, surfactants,culture media and Separation of materials and kits.There are more than 10,000 products in total.

 

Our company's aim is to provide customers with the best quality products and the most intimate service.Personnel has been trained; every batch of material is checked; each procedure guarantees the quality; every bag of our products is top grade;service is thoughtful all the time.The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

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Answer: Yes, we are factory founded on 2009.

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Answer:Free sample is available,but freight charges will be at your account and the charges will be return to you dudect from your order in future.

Q5:What are the main categories of products sold by the company?

Answer: It  is mainly engaded in biological and chemical reagents,including enzyme reagents, proteins, antibiotics, plant hormones, nucleic acids, pigments, amino acids, vitamins, carbohydrates, buffers, surfactants, culture media and Separation of materials and kits.

Q6:Is the company mainly engaged in small packaging or large packaging?

Answer: Mainly do small packaging reagents, large packaging also do, specific can ask customer service personnel.

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