Tazobactam Impurity 50 CAS No. 904671-24-5 Chemical Formula : C10H12N4O4S STD No. RM51650T 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Zanamivir Impurity 16 CAS No. 163210-90-0 Chemical Formula : C4H6N4 STD No. RM167216Z 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Ambroxol Impurity 20 Monomer CAS No. 1445719-53-8 Chemical Formula : C13H16Br2N2O STD No. RM12220AD

Prednisolone Impurity 87 CAS No. 118864-87-2 Chemical Formula : C21H26O4 STD No. RM629087P 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Prednisolone Impurity 86 CAS No. 118864-88-3 Chemical Formula : C21H26O4 STD No. RM629086P 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Trospium Impurity 2 Monomer（Trospium EP Impurity B Monomer） CAS No. 16444-19-2 Chemical Formula : C21H23NO3 STD No. RM1212TD 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

tert-butyl (3aR,6aR)-hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate tert-butyl (3aS,6aS)-hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate CAS No. 1330763-64-8 Chemical Formula : C11H20N2O2 STD No. RMAN002394 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Aniracetam Impurity 77 CAS No. 637773-05-8 Chemical Formula : C12H13NO3 STD No. RM635077A 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Aniracetam Impurity 76 CAS No. 119984-22-4 Chemical Formula : C12H13NO3 STD No. RM635076A 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Aniracetam Impurity 75 CAS No. 2921958-41-8 Chemical Formula : C13H17NO2 STD No. RM635075A 详情请咨询:QQ-3003337926,Tel-18672007304(李经理)

Aniracetam Impurity 74 CAS No. 106554-51-2 Chemical Formula : C14H17NO3 STD No. RM635074A

Aniracetam Impurity 73 CAS No. 2639568-90-2 Chemical Formula : C12H11NO4 STD No. RM635073A