Impurities
Efavirenz Process Impurity 1
| Product Code: | Ax-IMP822 |
| CAS Number: | 154598-53-5 |
| Synonyms: | 1-(2-amino-5-chlorophenyl)-2,2,2-trifluoroethan-1-one |
| Molecular Formula: | C8H5ClF3NO |
| Molecular Weight: | 223.58 |
Beta-Nicotyrine
| Product Code: | Ax-IMP823 |
| CAS Number: | 487-19-4 |
| Synonyms: | 3-(1-methyl-1H-pyrrol-2-yl)pyridine |
| Molecular Formula: | C10H10N2 |
| Molecular Weight: | 158.2 |
Anatabine
| Product Code: | Ax-IMP824 |
| CAS Number: | 581-49-7 |
| Synonyms: | (S)-1,2,3,6-tetrahydro-2,3'-bipyridine |
| Molecular Formula: | C10H12N2 |
| Molecular Weight: | 160.22 |
Nornicotine
| Product Code: | Ax-IMP825 |
| CAS Number: | 5746-86-1 |
| Synonyms: | 3-(pyrrolidin-2-yl)pyridine |
| Molecular Formula: | C9H12N2 |
| Molecular Weight: | 148.21 |
Pseudooxynicotine
| Product Code: | Ax-IMP826 |
| CAS Number: | 66093-90-1 |
| Synonyms: | 4-(methylamino)-1-(pyridin-3-yl)butan-1-one |
| Molecular Formula: | C10H14N2O |
| Molecular Weight: | 178.23 |
Promethazine N-Oxide
| Product Code: | Ax-IMP827 |
| CAS Number: | 81480-39-9 |
| Synonyms: | N,N-dimethyl-1-(10H-phenothiazin-10-yl)propan-2-amine oxide |
| Molecular Formula: | C17H20N2OS |
| Molecular Weight: | 300.42 |
Atazanavir Impurity
| Product Code: | Ax-IMP828 |
| CAS Number: | 4385-62-0 |
| Synonyms: | 4-(pyridin-2-yl)benzoic acid |
| Molecular Formula: | C12H9NO2 |
| Molecular Weight: | 199.21 |
Sildenafil Impurity F
| Product Code: | Ax-IMP833 |
| CAS Number: | 139755-82-1 |
| Synonyms: | 5-(2-ethoxy-5-(piperazin-1-ylsulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one |
| Molecular Formula: | C21H28N6O4S |
| Molecular Weight: | 460.55 |
Sildenafil Impurity D
| Product Code: | Ax-IMP832 |
| CAS Number: | 1357931-55-5 |
| Synonyms: | 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid |
| Molecular Formula: | C17H20N4O5S |
| Molecular Weight: | 392.43 |
Sildenafil Impurity C
| Product Code: | Ax-IMP831 |
| CAS Number: | 139755-91-2 |
| Synonyms: | 5-(2-hydroxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one |
| Molecular Formula: | C20H26N6O4S |
| Molecular Weight: | 446.53 |