- Bemotrizinol（187393-00-6）Saiwante (shanghai) New Material Technology Co., Ltd.
- Bremelanotide acetate（1607799-13-2）Saiwante (shanghai) New Material Technology Co., Ltd.
- Bretazenil（84379-13-5） Shanghai Xinlijie New Materials Co. , Ltd
- Benzocaine（94-09-7）Hebei Tuhang Import and Export Trade Co., Ltd
- Berberine（633-65-8）Henan Xiaguo Biotechnology Co., Ltd.
- Bromazolam（71368-80-4）Henan Xiaguo Biotechnology Co., Ltd.
- Bromonordiazepam（2894-61-3）Henan Xiaguo Biotechnology Co., Ltd.
- Buserelin（57982-77-1）Henan Xiaguo Biotechnology Co., Ltd.
- Boldenone Acetate（2363-59-9）Henan Xiaguo Biotechnology Co., Ltd.
- Boldenone Cypionate（106505-90-2）Henan Xiaguo Biotechnology Co., Ltd.
- Boc-Glycine（4530-20-5）SICHUAN TONGSHENG AMINOACID CO.LTD
- Benzamide, N-[1-[6-O-[bis(4-methoxyphenyl)phenylmethyl]-4-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2,3-dideoxy-β-D-erythro-hexopyranosyl]-（145594-07-6）XH Medic Tech Co., Ltd. Shanghai
- beta-Pinene（127-91-3）Dalian Yoking Chemical Co., Ltd
- Barium titanium trioxide（12047-27-7）Dalian Yoking Chemical Co., Ltd
- Boc-O-tert-butyl-L-tyrosine（47375-34-8）SICHUAN TONGSHENG AMINOACID CO.LTD
- BET bromodomain inhibitor（1268524-70-4）Senova Pharma
- Benzenemethanol, alpha-methyl-3-nitro-, (alphaS)- (9CI)（103966-65-0）Senova Pharma
- Boldenone undecylenate（13103-34-9）Shandong Hanjiang Chemical Co., Ltd.
- butonitazene（95810-54-1）Shandong Hanjiang Chemical Co., Ltd.
- Bromadol HCL BDPC（77239-98-6）Shandong Hanjiang Chemical Co., Ltd.
