Synthesis of 5-oxo-5,6,7,8-tetrahydrocoumarins

R&D Labs maybe for 77959-70-7

• Changzhou Anyi Biochem Co., Ltd.(expird)

  Contact:+86-519-88836158

  Address:no,51 caoda

• Shandong Dayi Chemical Co., Ltd.

  website:http://www.dayi.com.cn

  Contact:+86- 535-7388728. 15306386031

  Address:No 1 Danya west road, Laiyang City, Shandong province

• MTT Pharma & Bio-technology Co.,Ltd(expird)

  Contact:+86-21-58407925

  Address:Room2019, Building C, Tomson Center, No.158, Zhang Yang Road, Shanghai, China

• Hangzhou Go Top Peptide Biotech Co.,Ltd.

  Contact:+86-571-88211951

  Address:No.452, 6th Street, Hangzhou Eco.& Tech Development zone, 310018 Zhejiang, CN.

• Qingdao Kylin Trading Co., Ltd.

  Contact:0086-532-68979884/58972912/68972263/65/88171519

  Address:Room 2308,A building International Trade Center No.230 Changjiang Middle Road of Qingdao Economic Development Zone,Shandong,China.