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Impurities

Impurities: Impurities are substances inside a confined amount of liquid, gas, or solid, which differ from the chemical composition of the material or compound. Impurities are either naturally occurring or added during synthesis of a chemical or commercial product.
 
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Catalogue No.:VL/I-13627
CAS No. : 147118-40-9
Mol. Formula :C23H30FN3O6S
Mol. Weight :495.56
Synonym :(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid Methyl Ester;

Catalogue No.:VL/I-13654
CAS No. :114-07-8
Mol. Formula :C37H67NO13
Mol. Weight :733.93
Synonym :Roxithromycin Impurity A

Catalogue No.:VL/I-13607
CAS No. :NA
Mol. Formula :C21H29N5O6S
Mol. Weight :479.55
Synonym :SILDENAFIL 2ND STEP IMPURITY

Catalogue No.:VL/I-13629
CAS No. :175870-21-0
Mol. Formula :C25H30F3N3O4
Mol. Weight :493.52
Synonym :1-(3-Hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-1H-indole-7-carboxamide;

Catalogue No.:VL/I-13608
CAS No. :476305-24-5
Mol. Formula :C50H76O10
Mol. Weight :837.13
Synonym :Simvastatin EP Impurity D/Simvastatin Dimer

Catalogue No.:VL/I-13655
CAS No. :79952-44-6
Mol. Formula :C24H36O5
Mol. Weight :404.54
Synonym :Simvastatin USP RC F; epi-Lovastatin ; Lovastatin epimer ; (1S,3R,7S,8S,8aR)-8-[2-[(2R,4R)-4-Hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl]-3,7-dimethyl-1,2,3,7,8,8a-hexahydronaphthalen-1-yl (2R)-2-methylbutanoate

Catalogue No.:VL/I-13639
CAS No. :874638-80-9
Mol. Formula :C20H17FO6
Mol. Weight :372.34
Synonym :(2R,3R,4S,5R)-5-(4-BENZAMIDO-2-OXOPYRIMIDIN-1(2H)-YL)-2-\n((BENZOYLOXY)METHYL)-4-FLUORO-4-METHYLTETRAHYDROFURAN-3-YL\nBENZOATE

Catalogue No.:VL/I-13640
CAS No. :817204-32-3
Mol. Formula :C₃₁H₂₆FN₃O₇
Mol. Weight :571.55
Synonym :((2R,3R,4S)-3-(benzoyloxy)-4-fluoro-4-methyl-5-\noxotetrahydrofuran-2-yl)methylbenzoate

Catalogue No.:VL/M-10473
CAS No. :
Mol. Formula :C21H16ClF3N4O4
Mol. Weight :480.82
Synonym :4-[4-[[[[4-Chloro-3-(trifluoromethyl)phenyl]amino]carbonyl]amino]phenoxy]-N-methyl-2-pyridinecarboxamide 1-Oxide;

Catalogue No.:VL/I-13601
CAS No. :NA
Mol. Formula :C7H7FO2
Mol. Weight :142.13
Synonym :5-fluoro-1,2-dihydro-1-hydroxy-2,3,1-benzodiazoborine

Catalogue No.:VL/I-13597
CAS No. :NA
Mol. Formula :C7H6BFO2
Mol. Weight :151.93
Synonym :(βR,δR)-2,3-Βis(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Αcid Calcium Salt;

Catalogue No.:VL/I-13598
CAS No. :NA
Mol. Formula :C11H13BFNO5
Mol. Weight :269.03
Synonym :

Catalogue No.:VL/I-13633
CAS No. :
Mol. Formula :C22H30N6O2S
Mol. Weight :442.58
Synonym :((2S,4S)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidin-2-yl)(1-oxidothiazolidin-3-yl)methanone; Teneligliptin Metabolite M1 

Catalogue No.:VL/I-13664
CAS No. :
Mol. Formula :C16H15F2N5O
Mol. Weight :331.32
Synonym :Voriconazole Impurity D

Catalogue No.:VL/I-16001
CAS No. :59365-66-1
Mol. Formula :C11H16O3
Mol. Weight :196.24
Synonym :3-(3,5-Dimethylphenoxy)propane-1,2-diol

 

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