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3,4-Dihydroxycinnamic acid

BGC Id:	240113238636
CAS No:	331-39-5
Synonyms:	caffeic acid ; caffeic acid 0 ; 3,4-dihydroxyben ; nsc 623438 ; akos b004050 ; caffeicacid(bulk ; caffic acid ; caffeicacidpure ; caffeicacid,96% ; caffeic
Molecular Formula:	C9H8O4
Molecular Weight:	180.16
EINECS:	206-361-2

Verified providers in 2025

The following 7 notable providers have been checked and can be recommended.

BIOZOL Diagnostica Vertrieb

BuGuCh & Partners

What other providers are available for CAS 331-39-5?

The last intensive check and update was carried out on 2025/05/30.

Identify

Synonyms:

caffeic acid ; caffeic acid 0 ; 3,4-dihydroxyben ; nsc 623438 ; akos b004050 ; caffeicacid(bulk ; caffic acid ; caffeicacidpure ; caffeicacid,96% ; caffeic

CAS:

331-39-5

EINECS:

206-361-2

Molecular Formula:

C9H8O4

MDL:

MFCD00004392

Properties

Molecular Weight:

180.16 g·mol−1

Density:

~1.5 g/cm³ (Predicted)

Melting point:

211-213 °C (dec.)(lit.)

Boiling point:

~416.8° C at 760 mmHg (Predicted)

Solubility:

ethanol: 50 mg/mL

Suppliers

Junwee Chemical Co., Ltd.

Company type: Bulk chemical producer

Junwee Chemical is a well-established chemical distribution and manufacturing company. The company supplies organic and specialty chemicals to the customers in Europe and USA market. Through its trouble free, fast and efficient service, Junwee Chemical is poised for further growth and welcome your enquiry. Junwee Chemical Co., Ltd. also offers Glyoxylic acid, 50 % solution.

Country: P.R.China Phone: +86-571-85808638 Telefax: +86-571-85808639

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OPQ Chemical Co., Ltd

Company type: Producer

Country: P.R.China
Phone: +86-17615852982

OPQ Chemical is a high tech enterprise,located in China Spring city(Jinan).Mainly engages in the development and production of phenolic and quinones,additive agents, dying stuffs, and pesticide intermediates,and also has been involved in other fine chemicals,cosmetic raw materials etc.And actively practices the business philosophy of "MY heart, let you feel more assured". We are seller of Zirconium acetate. OPQ has international advanced production technology and equipment, the company's marketing network thro ...

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Dayang Chem (Hangzhou) Co.,Ltd.

Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We sell 2-Amino-5-bromo-3-(trifluoromethyl)pyridine as well. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...

Company type: Leading producer

Country: P.R.China
Phone: +86-571-88938639
Telefax: +86-571-8893-8652

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Capot Chemical Co., Ltd.

Company type: Leading producer

Welcome to Capotchem • Established in 1996 ,Capot Chemical Co.,Ltd is a fine organics manufacturing facility which located in Hangzhou,P.R.China. Additionally 5-Bromo-1,2,3-trichlorobenzene is supplied by us. We produce a wide range of organics, especially fluorine, boronic acids, amino acids, unnatural amino acids, peptide, cross linkers, organocatalysts, chiral building blocks, heterocyclic compounds and other active pharmaceutical ingredients compounds. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...

Country: P.R.China Phone: +86-571-85586718 Telefax: +86-571-85864795

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Carbone Scientific Co., Ltd.

Company type: Supplier

Country: U.K.
Phone: +44 (0)203 769 4441 ext 1
Telefax: +44 (0)203 769 4441 ext 2

Carbone scientific is located at London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide. We are seller of 3,4,5-Trimethoxycinnamic acid. Our online catalogue has already listed over 50 ...

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BIOZOL Diagnostica Vertrieb GmbH

Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. Additionally N-Boc-Erythro-sphingosine is supplied by us. We are supplying and producing lab quantities from tiny qua ...

Company type: Supplier of chemical products

Country: Germany
Phone: +49-871-966346-0
Telefax: +49-871-966346-13

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BuGuCh & Partners

Company type: Producer

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...

Country: Germany

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Safety Information

Hazard Symbols: Xn, Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38-40-63-68 (R)

Safety Codes:

26-36/37/39-36 (S)

WGK Germany:

RTECS:

GD8950000

Storage temperature:

Store at RT.

What other providers are available for CAS 331-39-5?

In addition to the providers presented here for 3,4-Dihydroxycinnamic acid with the CAS number 331-39-5, there are other 83 providers with slightly different product names available for this CAS number.

Caffeic acid

3,4-Dihydroxybenzeneacrylic acid

+1 additional providers that we know from the past

3-(3,4-Dihydroxyphenyl)-2-propenoic acid

BLD Pharmatech Ltd +3 additional providers that we know from the past

(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid

+2 additional providers that we know from the past

3,4 dihydroxy cinnamic acid (caffeic acid-98%)

+1 additional providers that we know from the past

3,4-Dihydroxycinnamic acid, predominantly trans

AK Scientific, Inc. +1 additional providers that we know from the past

3,4 dihydroxy cinnamic acid (caffeic acid-98%)

+1 additional providers that we know from the past