Impurities
L-Tadalafil
| Product Code: | Ax-IMP1309 |
| CAS Number: | 629652-72-8 |
| Synonyms: | (6S,12aS)-6-(benzo[d][1,3]dioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione |
| Molecular Formula: | C22H19N3O4 |
| Molecular Weight: | 389.4 |
Teneligliptin Impurity A
| Product Code: | Ax-IMP1308 |
| CAS Number: | NA |
| Synonyms: | ((2S,4R)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidin-2-yl)(1-oxidothiazolidin-3-yl)methanone |
| Molecular Formula: | C22H30N6O2S |
| Molecular Weight: | 442.58 |
Tetrahydrofolate Impurity G
| Product Code: | Ax-IMP1307 |
| CAS Number: | 59-30-3 |
| Synonyms: | Vitamin B9 Hydrate; Vitamin M Hydrate; (4-(((2-amino-4-oxo-3,4-dihydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid |
| Molecular Formula: | C19H19N7O6·xH2O |
| Molecular Weight: | 441.4 |
Tetrahydrofolate Impurity F
| Product Code: | Ax-IMP1306 |
| CAS Number: | 4033-27-6 |
| Synonyms: | (4-(((2-amino-4-oxo-3,4,7,8-tetrahydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid |
| Molecular Formula: | C19H21N7O |
| Molecular Weight: | 443.41 |
Tetrahydrofolate Impurity E
| Product Code: | Ax-IMP1305 |
| CAS Number: | 135-16-0 |
| Synonyms: | 5,6,7,8-Tetrahydropteroyl-L-glutamic acid; (4-(((2-amino-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoyl)-L-glutamic acid |
| Molecular Formula: | C19H23N7O6 |
| Molecular Weight: | 445.44 |
Tetrahydrofolate Impurity A
| Product Code: | Ax-IMP1304 |
| CAS Number: | 4271-30-1 |
| Synonyms: | 4-Aminobenzoylglutamic acid; (4-aminobenzoyl)-L-glutamic acid |
| Molecular Formula: | C12H14N2O5 |
| Molecular Weight: | 266.25 |
Ribofuranose impurity
| Product Code: | Ax-IMP1303 |
| CAS Number: | 76497-54-6 |
| Synonyms: | (2R,3R,4R,5R)-5-methyltetrahydrofuran-2,3,4-triyl triacetate; 5-deoxy-?-D-Ribofuranose, 1,2,3-triacetate |
| Molecular Formula: | C11H16O7 |
| Molecular Weight: | 260.24 |
Dehydro Desloratadine Impurity
| Product Code: | Ax-IMP1323 |
| CAS Number: | 117811-20-8 |
| Synonyms: | 8-chloro-11-(piperidin-4-ylidene)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine |
| Molecular Formula: | C19H17ClN2 |
| Molecular Weight: | 308.8 |
Dicyano nitro Impurity
| Product Code: | Ax-IMP1322 |
| CAS Number: | 52054-41-8 |
| Synonyms: | 4-nitroisophthalonitrile; 1,3-Benzenedicarbonitrile, 4-nitro |
| Molecular Formula: | C8H3N3O2 |
| Molecular Weight: | 173.13 |
Febuxostat Process Impurity
| Product Code: | Ax-IMP1321 |
| CAS Number: | 161718-81-6 |
| Synonyms: | 4-isobutoxyisophthalonitrile; 4-Isobutyloxy-1,3-benzenedicarbonitrile |
| Molecular Formula: | C12H12N2O |
| Molecular Weight: | 200.24 |