Impurities
Levetiracetam MCL Impurity
| Product Code: | Ax-IMP2300 |
| CAS Number: | 53726-14-0 |
| Synonyms: | (S)-2-aminobutanamide hydrochloride |
| Molecular Formula: | C4H11ClN2O |
| Molecular Weight: | 138.6 |
Levetiracetam impurity D
| Product Code: | Ax-IMP2299 |
| CAS Number: | 103765-01-1 |
| Synonyms: | (R)-2-(2-oxopyrrolidin-1-yl)butanamide |
| Molecular Formula: | C8H14N2O2 |
| Molecular Weight: | 170.21 |
Levetiracetam acid
| Product Code: | Ax-IMP2298 |
| CAS Number: | 103833-72-3 |
| Synonyms: | (2R)-2-(2-oxopyrrolidin-1-yl)butanoic acid; (R)- alpha-ethyl-2-oxo-1-pyrrolidineaceticacid |
| Molecular Formula: | C8H13NO3 |
| Molecular Weight: | 171.2 |
Levetiracetam Related Compound A
| Product Code: | Ax-IMP2297 |
| CAS Number: | 102767-31-7 |
| Synonyms: | (S)-N-(1-amino-1-oxobutan-2-yl)-4-chlorobutanamide; N-(1-Carbamoyl-propyl)-4-chloro-butyramide |
| Molecular Formula: | C8H15ClN2O2 |
| Molecular Weight: | 206.67 |
Etoricoxib Process Impurity 1
| Product Code: | Ax-IMP2323 |
| CAS Number: | 13429-29-3 |
| Synonyms: | 1,3-di(piperidin-1-yl)propan-2-ol |
| Molecular Formula: | C13H26N2O |
| Molecular Weight: | 226.36 |
Etoricoxib Impurity
| Product Code: | Ax-IMP2322 |
| CAS Number: | 62119-88-4 (Free base) |
| Synonyms: | 1-(2-chloro-3-(piperidin-1-yl)propylidene)piperidin-1-ium hexafluorophosphate(V) |
| Molecular Formula: | C13H24ClF6N2P |
| Molecular Weight: | 388.76 |
Ascorbic acid impurity D
| Product Code: | Ax-IMP2321 |
| CAS Number: | 67776-07-2 |
| Synonyms: | methyl (3R,4S,5R)-3,4,5,6-tetrahydroxy-2-oxohexanoate |
| Molecular Formula: | C7H12O7 |
| Molecular Weight: | 208.17 |
Ascorbic acid impurity C
| Product Code: | Ax-IMP2320 |
| CAS Number: | 21675-47-8 |
| Synonyms: | (3R,4S,5R)-3,4,5,6-tetrahydroxy-2-oxohexanoic acid |
| Molecular Formula: | C6H10O7 |
| Molecular Weight: | 194.14 |
Olmesartan Process Impurity 6
| Product Code: | Ax-IMP2319 |
| CAS Number: | 124750-51-2 |
| Synonyms: | 5-(4'-(bromomethyl)-[1,1'-biphenyl]-2-yl)-1-trityl-1H-tetrazole |
| Molecular Formula: | C33H25BrN4 |
| Molecular Weight: | 557.5 |
Olmesartan Medoxomil TTBB-OH Impurity
| Product Code: | Ax-IMP2318 |
| CAS Number: | 154709-18-9 |
| Synonyms: | (2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methanol |
| Molecular Formula: | C33H26N4O |
| Molecular Weight: | 494.6 |