Drospirenone|Ambroxol Hydrochloride|Bromohexine Hydrochloride|Acitretin|Isotretinoin|Brimonidiune Tartrate|Diosmin--Hangzhou Deli Chemical Co., Ltd.

Products' impurities

products

Products' impurities

List of impurities of Ambroxol hydrochloride

Product name	Code	Structure of impurities	Specifications
(2-Amino-3,5-dibromophenyl)methanol CAS:50739-76-9	Ambroxol hydrochloride's impurity A		20mg 100mg
Trans-4-(6,8-dibromo-1,4-dihydroquinazolin-3(2H)yl)cyclohexanol CAS: 15942-08-2	Ambroxol hydrochloride's impurity B		20mg 100mg
Trans-4-[[2-amino-3,5dibromobenzyliden] amino]Cyclohexanol CAS:50910-53-7	Ambroxol hydrochloride's impurity C		20mg 100mg
Cis-4-[(2-amino-3,5-dibromobenzyl)amino]Cyclohexanol CAS:107814-37-9	Ambroxol hydrochloride's impurity D		20mg 100mg
2-Amino-3,5-dibromobenzaldehyde CAS:50910-55-9	Ambroxol hydrochloride's impurity E		20mg 100mg

List of impurities of brimonidine d-tartrate

Product name	Code	Structure of impurities	Specifications
N(imidazolidin2ylidene) quinoxalin6amine CAS: 91147-43-2	brimonidine d-tartrate's impurity A		20mg 100mg
B. 5bromoquinoxalin6amine CAS: 50358-63-9	brimonidine d-tartrate's impurity B		20mg 100mg
C. quinoxalin6amine CAS: 6298-37-9	brimonidine d-tartrate's impurity C		20mg 100mg
D. 1(5bromoquinoxalin6yl)thiourea CAS: 842138-74-3	brimonidine d-tartrate's impurity D		20mg 100mg
E. 2(5bromoquinoxalin6yl)guanidine CAS: 168329-48-4	brimonidine d-tartrate's impurity E		20mg 100mg
F. 5bromoN(1Himidazol2yl) quinoxalin6amine CAS: 151110-15-5	brimonidine d-tartrate's impurity F		20mg 100mg
G. 1(2aminoethyl)3(5 bromoquinoxalin6yl)urea. CAS: 1216379-05-3	brimonidine d-tartrate's impurity G		20mg 100mg

List of impurities of Acitretin

Product name	Code	Structure of impurities	Specifications
(2Z,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid CAS: 69427-46-9	Acitretin's impurity A		20mg 100mg
B. ethyl (all-E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate CAS: 54350-48-0	Acitretin's impurity B		20mg 100mg