Impurities
Solifenacin Process Impurity 2
| Product Code: | Ax-IMP1146 |
| CAS Number: | 16313-49-8 |
| Synonyms: | Ethyl 1-(2-ethoxy-2-oxoethyl)piperidine-4-carboxylate HBr (impurity of 3Q) |
| Molecular Formula: | C12H22BrO4 |
| Molecular Weight: | 324.21 |
Solifenacin Process Impurity 1
| Product Code: | Ax-IMP1145 |
| CAS Number: | 1838-39-7 |
| Synonyms: | ethyl 1-(2-ethoxy-2-oxoethyl)piperidine-4-carboxylate |
| Molecular Formula: | C12H21NO4 |
| Molecular Weight: | 243.3 |
Aspirin impurity F
| Product Code: | Ax-IMP1191 |
| CAS Number: | 1466-82-6 |
| Synonyms: | 2-acetoxybenzoic anhydride |
| Molecular Formula: | C18H14O7 |
| Molecular Weight: | 342.3 |
Aspirin impurity E
| Product Code: | Ax-IMP1190 |
| CAS Number: | 552-94-3 |
| Synonyms: | 2-((2-hydroxybenzoyl)oxy)benzoic acid; Salsalate; O-Salicyloylsalicylic Acid |
| Molecular Formula: | C14H10O5 |
| Molecular Weight: | 258.23 |
Aspirin impurity D
| Product Code: | Ax-IMP1189 |
| CAS Number: | 530-75-6 |
| Synonyms: | 2-((2-acetoxybenzoyl)oxy)benzoic acid; |
| Molecular Formula: | C16H12O6 |
| Molecular Weight: | 300.27 |
Aspirin Working Standard
| Product Code: | Ax-IMP1188 |
| CAS Number: | 50-78-2 |
| Synonyms: | 2-acetoxybenzoic acid |
| Molecular Formula: | C9H8O4 |
| Molecular Weight: | 180.16 |
Moxonidine Impurity B
| Product Code: | Ax-IMP1174 |
| CAS Number: | 75439-01-9 |
| Synonyms: | N-(4,5-dihydro-1H-imidazol-2-yl)-4,6-dimethoxy-2-methylpyrimidin-5-amine |
| Molecular Formula: | C10H15N5O2 |
| Molecular Weight: | 237.26 |
Moxonidine Process Impurity 1
| Product Code: | Ax-IMP1175 |
| CAS Number: | 1008754-14-0 |
| Synonyms: | 4-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-6-methoxy-2-methylpyrimidin-5-amine formate |
| Molecular Formula: | C10H14ClN5O3 |
| Molecular Weight: | 287.7 |
Doxepin impurity D
| Product Code: | Ax-IMP1230 |
| CAS Number: | 3607-18-9 |
| Synonyms: | (E)-3-(dibenzo[b,e]oxepin-11(6H)-ylidene)-N,N-dimethylpropan-1-amine |
| Molecular Formula: | C19H21NO |
| Molecular Weight: | 279.38 |
Doxepin impurity C
| Product Code: | Ax-IMP1229 |
| CAS Number: | 4504-96-5 |
| Synonyms: | (Z)-3-(dibenzo[b,e]oxepin-11(6H)-ylidene)-N-methylpropan-1-amine hydrochloride |
| Molecular Formula: | C18H19NO · HCl |
| Molecular Weight: | 301.81 |