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331-39-5

Basic Information
CAS No.: 331-39-5
Name: 2-Propenoicacid, 3-(3,4-dihydroxyphenyl)-
Molecular Structure:
Molecular Structure of 331-39-5 (2-Propenoicacid, 3-(3,4-dihydroxyphenyl)-)
Formula: C9H8O4
Molecular Weight: 180.16
Synonyms: Cinnamicacid, 3,4-dihydroxy- (8CI);3,4-Dihydroxybenzeneacrylic acid;3,4-Dihydroxycinnamic acid;3-(3,4-Dihydroxyphenyl)-2-propenoic acid;3-(3,4-Dihydroxyphenyl)propenoic acid;4-(2-Carboxyethenyl)-1,2-dihydroxybenzene;4-(2'-Carboxyvinyl)-1,2-dihydroxybenzene;NSC 57197;NSC 623438;
EINECS: 206-361-2
Density: 1.478 g/cm3
Melting Point: 211-213 °C (dec.)(lit.)
Boiling Point: 416.8 °C at 760 mmHg
Flash Point: 220 °C
Solubility: soluble in hot water
Appearance: Light yellow to greenish-yellow powder
Hazard Symbols: HarmfulXn, IrritantXi
Risk Codes: 36/37/38-40-63-68
Safety: 26-36/37/39-36
Transport Information:
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    331-39-5

    Factory direct Caffeic acid ;Top purity/lowest price

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0/Gram

    FAQ 1. Can I get a free sample Yes, but you have to pay the courier fee. 2. How to pay We accept payments in the form of Western Union, MoneyGram, Bitcoin, etc. 3. What should I do if we don’t ship after payment We are a formal c

    In 2009, Dr Zhang Lin from Johns Hopkins University founded the theta Biological Laboratory. He is committed to the study of protein assimilation preparations. In 2013,Dr Zhang Li

  •  Theta biotechnology CO.,LTD

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+8617109360723

    Address:Xiangxinan Big market Shaoyang Hunan China

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  • Caffeic acid

  • Casno:

    331-39-5

    Caffeic acid

    Min.Order: 0 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

    Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic

    Chengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of TCM(Traditional Chinese Medicine) ingredient reference standar

  •  Chengdu Biopurify Phytochemicals Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-28-82633397

    Address:2F,No.11 Building,No.388 Rongtaidadao CNSTP,Wenjiang Zone,Chengdu,Sichuan, China

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  • High Quality Caffeic acid

  • Casno:

    331-39-5

    High Quality Caffeic acid

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0/Gram

    Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo

    SHANDONG SIGMACHEMICAL is mainly engaged in R&D, manufacturing and marketing pharmaceuticals, chemical intermediates, Biochemicals, Veterinary medicines and Nutrition products. Wit

  •  Qingdao Sigma Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0532-80916960

    Address:shandong qingdao

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  • High quality 3,4-Dihydroxycinnamic acid

  • Casno:

    331-39-5

    High quality 3,4-Dihydroxycinnamic acid

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 100.0-100.0/Kilogram

    HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. HangYu Chemical consis

    Zibo HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals

  •  Zibo Hangyu Import&Export Co., Ltd

    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:86-15988566987

    Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China

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  • Caffeic acid

  • Casno:

    331-39-5

    Caffeic acid

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0/Gram

    Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

    Shanghai Massive Chemical Technology Co., Ltd. is engaged in development, production and marketing Specialty Chemicals to satisfy the changing needs of the chemical industry. We sp

  •  Shanghai Massive Chemical Technology Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86 21 34943721

    Address:Room 435, 4th floor, Building 9, No. 2568 Gudai Road,Minhang District, Shanghai,

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  • CAS:331-39-5 Caffeic acid

  • Casno:

    331-39-5

    CAS:331-39-5 Caffeic acid

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 1.0-10.0/Metric Ton

    We use our research in assisting customers to solve their most challenging problems and unique opportunities.Appearance:See details Storage:Room temperature Package:See details Application:Pharmaceutical intermediates Transportation:By sea or by air

    Ningbo Inno Pharmchem Co.,Ltd. was founded in 2007 with an R&D center over 400 square meters in the Jiangbei District of Ningbo that offering a complete set of experiment and test

  •  Ningbo Inno Pharmchem Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-574-87319282

    Address:6F-5,NO.163 RUIQING RD.,NINGBO 315000 CHINA

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