MTP01: Metoprolol [CAS # 37350-58-6]

MTP02: Metoprolol Succinate [CAS # 98418-47-4]

MTP03: Metoprolol Tartrate [CAS # 56392-17-7]

MTP04: Metoprolol EP Impurity A (available from EP)
CAS Name: (Ethylamino)-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol

MTP05: Metoprolol EP Impurity B
CAS Name: 4-(2-Methoxyethyl)phenol [CAS # 56718-71-9]

MTP06: Metoprolol EP Impurity C
CAS Name: 4-[(2RS)-2-Hydroxy-3-[(1-methylethyl) amino]propoxy]benzaldehyde

MTP07: Metoprolol EP Impurity D
CAS Name: (2RS)-3-[4-(2-methoxyethyl)phenoxy]propane-1,2-diol

MTP08: Metoprolol EP Impurity E
CAS Name: (2RS)-1-[2-(2-methoxyethyl)phenoxy]-3-[(1-methylethyl)amino]propan-2-ol

MTP09: Metoprolol EP Impurity F
CAS Name: (2RS)-1-[(1-methylethyl)amino]-3-phenoxypropan- 2-ol

MTP10: Metoprolol EP Impurity G
CAS Name: 2-(4-Hydroxyphenyl)ethanol [CAS # 501-94-0]

MTP11: Metoprolol EP Impurity H
CAS Name: (2RS)-1-[4-(2-Hydroxyethyl)phenoxy]-3-[(1-methylethyl)amino]propan-2- ol ("O-Desmethyl Metoprolol") [CAS # 62572-94-5]

MTP12: 1 Metoprolol EP Impurity J
CAS Name: 1-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]-3-[4-(2-methoxyethyl)phenoxy]propan-2-ol

MTP13: Metoprolol EP Impurity M
CAS Name: 1,3-bis[(1-Methylethyl)amino]propan-2-ol

MTP14: Metoprolol EP Impurity N
CAS Name: (2RS)-3-[(1-methylethyl)amino]propane-1,2-diol

MTP15: Metoprolol EP Impurity O
CAS Name: 1,1-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy] propan-2-ol]

MTP16: Metoprolol Impurity BMEPP
CAS Name: 1,3-bis[4-(2-Methoxyethyl)phenoxy]propan-2-ol

MTP17: Metoprolol Epoxide Impurity
CAS Name: 1-[2-(2-Methoxyethyl)phenyoxy]-2,3-epoxypropane