Santa Cruz Biotechnology, Inc.
USA
Protocatechuic acid
Indofine Chemical Co, Inc.
USA
3,4-dihydroxybenzoic acid monohydrate
DSL Chemicals (Shanghai) Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic Acid
AK Scientific, Inc.
USA
3,4-Dihydroxybenzoic acid
Hainan Zhongxin Chemical Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Chemos GmbH & Co. KG
Germany
3,4-Dihydroxybenzoic acid
Organo Fine Chemicals
India
Protocatechuic acid
KHBoddin GmbH
Germany
3,4-Dihydroxybenzoic acid
Simagchem Corporation
P.R.China
3,4-Dihydroxybenzoic acid
BOC Sciences
USA
3,4-Dihydroxybenzoic acid
Finetech Industry Limited
P.R.China
3,4-Dihydroxybenzoic acid
CM Fine Chemicals
Switzerland
Protocatechuic acid
Leap Chem Co., Ltd
P.R.China
3,4-Dihydroxybenzoic acid
Sigma-Aldrich International GmbH
Switzerland
3,4-Dihydroxybenzoic acid
Capot Chemical Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Hefei Hirisun Pharmatech Co., Ltd
P.R.China
3,4-Dihydroxybenzoic acid
Xiamen Kinbester Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Xiamen Hisunny Chemical Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)
P.R.China
3,4-Dihydroxybenzoic acid
Hangzhou Lingrui Chemical Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid;protocatechuic acid
Wanko Chemical Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Dayang Chem (Hangzhou) Co.,Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Merck Schuchardt OHG
Germany
3,4-Dihydroxybenzoic acid
Junwee Chemical Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Kingreat Chemistry Company Limited
P.R.China
3,4-Dihydroxybenzoic acid
Autech Industry Co.,Limited
P.R.China
3,4-Dihydroxybenzoic acid
AK Scientific, Inc.
USA
3,4-Dihydroxybenzoic acid
scienTEST - bioKEMIX GmbH
Germany
3,4-Dihydroxybenzoic acid
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)
P.R.China
3,4-Dihydroxy benzoic acid
Ambeed, Inc.
USA
Protocatechuic acid
CSNpharm, Inc.
USA
Protocatechuic acid
Sancai Industry Co.,Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Aozeal Certified Standards (AOCS), Inc.
USA
Protocatechuic Acid
Xiamen Equation Chemical Co.,Ltd
P.R.China
3,4-Dihydroxybenzoic acid
Chengdu Pufeide Biotech. Co., Ltd
P.R.China
Protocatechuic acid
Shandong Ench Chemical Co.,Ltd
P.R.China
Protocatechuic acid
Xingrui Industry Co., Limited
P.R.China
3,4-Dihydroxybenzoic acid
Shandong Minglang Chemical Co., Ltd
P.R.China
3,4-Dihydroxybenzoic acid
Lori Industry Co., Ltd
P.R.China
3,4-Dihydroxybenzoic acid
H&Z Industry Co.,Ltd
P.R.China
3,4-Dihydroxybenzoic acid
Conscientia Industrial Co., Ltd (Zhejiang Conscientia Pharmaceutical)
P.R.China
Protocatechuic acid
Hangzhou Cherry Pharmaceutical Technology Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Shandong Lanhai Industry Co.,Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Hangzhou Keying Chem Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Hangzhou Verychem Science & Technology Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
Wuhan PharmChem Co., LTD.
P.R.China
Protocatechuic acid
Shandong SanYoung Industry Co., Ltd
P.R.China
Protocatechuic acid
Create Chemical Co., Ltd.
P.R.China
3,4-Dihydroxybenzoic acid
BLD Pharmatech Ltd
P.R.China
3,4-Dihydroxybenzoic acid
Chemlyte Solutions
P.R.China
3,4-Dihydroxybenzoic acid