Protocatechuic acid ethyl ester

BGC Id:	431273864390
CAS No:	3943-89-3
Synonyms:	ethyl protocatechuate ; ethyl 3,4-dihydroxyb ; ethyl 3,4-dihydroxybenzoate ; edhb ; rarechem al bi 0069 ; 3,4-2-ethyl ; nsc 86130 ; nsc 619681 ; erlotinib intermidiate i ; ethyl 3,4-dihydroxybenzoat
Molecular Formula:	C9H10O4
Molecular Weight:	182.17
EINECS:	223-529-0

2025 - The most valued supplier

The following notable provider has been checked and can be recommended.

BuGuCh & Partners

Type de compagnie: Producer

pays: Germany

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 site ...

INQUIRY | ORDER

What other providers are available for CAS 3943-89-3?

The last intensive check and update was carried out on 2025/10/30.

Identify

Synonyms:

ethyl protocatechuate ; ethyl 3,4-dihydroxyb ; ethyl 3,4-dihydroxybenzoate ; edhb ; rarechem al bi 0069 ; 3,4-2-ethyl ; nsc 86130 ; nsc 619681 ; erlotinib intermidiate i ; ethyl 3,4-dihydroxybenzoat

CAS:

3943-89-3

EINECS:

223-529-0

Molecular Formula:

C9H10O4

MDL:

MFCD00002199

SMILES:

C1C2=CC(=CC(=C2OC(O1)C3=CC=CC=C3)CCl)Cl

Properties

Molecular Weight:

182.17 g·mol−1

Melting point:

132-134 °C(lit.)

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-36-37/39 (S)

WGK Germany:

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

CM Fine Chemicals

CM Fine Chemicals, being a privately owned Swiss company, has been manufacturing and providing fine chemicals, intermediates and reagents to all kind ... Request

What other providers are available for CAS 3943-89-3?

In addition to the providers presented here for Protocatechuic acid ethyl ester with the CAS number 3943-89-3, there are other 85 providers with slightly different product names available for this CAS number.

Ethyl 3,4-dihydroxybenzoate

3,4-Dihydroxybenzoic acid ethyl ester

Hangzhou Zhongqi Chem Co., Ltd | BuGuCh & Partners +11 additional providers that we know from the past