Products' impurities
Impurities of Ambroxol Hydrochloride
| Product name |
Code |
CAS No. |
Structure of impurities |
Specifications |
| (2-Amino-3,5 -dibromophenyl) methanol |
Ambroxol hydrochloride's impurity A |
50739-76-9 |
 |
20mg,100mg |
| Trans-4-(6,8- dibromo-1,4- dihydroquinazolin -3(2H)yl) cyclohexanol |
Ambroxol hydrochloride's impurity B |
15942-08-2 |
 |
20mg,100mg |
| Trans-4- [[2-amino-3,5 dibromobenzyliden] amino] Cyclohexanol |
Ambroxol hydrochloride's impurity C |
50910-53-7 |
 |
20mg,100mg |
| Cis-4- [(2-amino-3,5- dibromobenzyl) amino] Cyclohexanol |
Ambroxol hydrochloride's impurity D |
107814-37-9 |
 |
20mg,100mg |
| 2-Amino-3,5- dibromobenzaldehyde |
Ambroxol hydrochloride's impurity E |
50910-55-9 |
 |
20mg,100mg |
Impurities of Brimonidine d-Tartrate
| Product name |
Code |
CAS No. |
Structure of impurities |
Specifications |
| N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine |
Brimonidine d-tartrate's impurity A |
91147-43-2 |
 |
20mg,100mg |
| 6-Amino-5-bromoquinoxaline |
Brimonidine d-tartrate's impurity B |
50358-63-9 |
 |
20mg,100mg |
| 6-Aminoquinoxaline |
Brimonidine d-tartrate's impurity C |
6298-37-9 |
 |
20mg,100mg |
| 5-Bromoquinazolin-6-ylthiourea |
Brimonidine d-tartrate's impurity D |
842138-74-3 |
 |
20mg,100mg |
| 5-Bromo-6-guanidinoquinoxaline |
Brimonidine d-tartrate's impurity E |
168329-48-4 |
 |
20mg,100mg |
| 4,5-Didehydro brimonidine |
Brimonidine d-tartrate's impurity F |
151110-15-5 |
 |
20mg,100mg |
| 1-(2-Aminoethyl)-3-(5-bromoquinoxalin-6-yl)urea |
Brimonidine d-tartrate's impurity G |
1216379-05-3 |
 |
20mg,100mg |
Impurities of Acitretin
| Product name |
Code |
CAS No. |
Structure of impurities |
Specifications |
| (2Z,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid |
Acitretin's impurity A |
69427-46-9 |
 |
20mg,100mg |
| Ethyl (all-E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate |
Acitretin's impurity B |
54350-48-0 |
 |
20mg,100mg |
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