olodaterol and its Impurities
A bronchodilator drug, Olodaterol is an β adrenoreceptor agonist which causes the bronchi to relax and reduce the resistance to airflow. Olodaterol is used or treating chronic obstructive pulmonary disease and it is manufactured by Boehringer Ingelheim.Reference standards of Olodaterol API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

![2-(2-(6-(Benzyloxy)-3-oxo-3,4-dihydro-2H-benzo[b][ PAI 15 030009](https://www.pharmaffiliates.com/pimages/PAI15030009.jpg)
2-(2-(6-(Benzyloxy)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)-2-oxoethyl)isoindoline-1,3-dione
2-(2-(6-(Benzyloxy)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)-2-oxoethyl)isoindoline-1,3-dione
Catalogue No.:PAI 15 030009
CAS :
1884335-84-5
Molecular Formula : C25H18N2O6
Molecular Weight : 442.43

![2-(2-(6-(Benzyloxy)-3-oxo-3,4-dihydro-2H-benzo[b][ PAI 15 030010](https://www.pharmaffiliates.com/pimages/PAI15030010.jpg)
2-(2-(6-(Benzyloxy)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)-2-oxoethyl)isoindoline-1,3-dione
(S)-2-(2-(6-(Benzyloxy)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)-2-hydroxyethyl)isoindoline-1,3-dione
Catalogue No.:PAI 15 030010
CAS :
NA
Molecular Formula : C25H20N2O6
Molecular Weight : 444.44


6-(Benzyloxy)-8-((1-(4-methoxyphenyl)-2-methylpropan-2-yl)glycyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
6-(Benzyloxy)-8-((1-(4-methoxyphenyl)-2-methylpropan-2-yl)glycyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
Catalogue No.:PAI 15 030014
CAS :
2035510-38-2
Molecular Formula : C28H30N2O5
Molecular Weight : 474.56


(S)-6-(Benzyloxy)-8-(1-hydroxy-2-((1-(4-methoxyphenyl)-2-methylpropan-2-yl)amino)ethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
(S)-6-(Benzyloxy)-8-(1-hydroxy-2-((1-(4-methoxyphenyl)-2-methylpropan-2-yl)amino)ethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
Catalogue No.:PAI 15 030015
CAS :
2987638-72-0
Molecular Formula : C28H32N2O5
Molecular Weight : 476.57


(R)-6-(Benzyloxy)-8-(2-hydroxy-1-((1-(4-methoxyphenyl)-2-methylpropan-2-yl)amino)ethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
(R)-6-(Benzyloxy)-8-(2-hydroxy-1-((1-(4-methoxyphenyl)-2-methylpropan-2-yl)amino)ethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
Catalogue No.:PAI 15 030019
CAS :
NA
Molecular Formula : C28H32N2O5
Molecular Weight : 476.57


8,8'-(2,2'-((1-(4-Methoxyphenyl)-2-methylpropan-2-yl)azanediyl)bis(acetyl))bis(6-(benzyloxy)-2H-benzo[b][1,4]oxazin-3(4H)-one)
8,8'-(2,2'-((1-(4-Methoxyphenyl)-2-methylpropan-2-yl)azanediyl)bis(acetyl))bis(6-(benzyloxy)-2H-benzo[b][1,4]oxazin-3(4H)-one)
Catalogue No.:PAI 15 030021
CAS :
NA
Molecular Formula : C45H43N3O9
Molecular Weight : 769.85


8,8'-((1R,1'R)-((1-(4-Methoxyphenyl)-2-methylpropan-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(6-(benzyloxy)-2H-benzo[b][1,4]oxazin-3(4H)-one)
8,8'-((1R,1'R)-((1-(4-Methoxyphenyl)-2-methylpropan-2-yl)azanediyl)bis(1-hydroxyethane-2,1-diyl))bis(6-(benzyloxy)-2H-benzo[b][1,4]oxazin-3(4H)-one)
Catalogue No.:PAI 15 030022
CAS :
NA
Molecular Formula : C45H47N3O9
Molecular Weight : 773.88