Atorvastatin Impurities & Reference Standards

Invenza supplies high-quality Atorvastatin Reference Standards, Atorvastatin impurities, pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamine-related products for pharmaceutical research, analytical testing, and quality control applications.

Our Atorvastatin impurity reference standards are suitable for a wide range of pharmaceutical and analytical applications, including drug development, analytical method development and validation, quality control (QC), stability studies, impurity profiling, unknown impurity identification, regulatory submissions such as ANDA and DMF, and assessment of potential genotoxic impurities.

Atorvastatin-related reference standards are thoroughly characterized and supplied with Certificates of Analysis (COA) and supporting analytical data, subject to product availability and applicable specifications. We can also provide pharmacopeial and traceable reference standards, including EP/USP-related requirements, based on customer specifications

Our Atorvastatin impurity standards are manufactured, characterized, and handled to support reliable analytical testing and pharmaceutical research requirements. Products are periodically re-tested, where applicable, to help ensure consistent quality and dependable analytical performance.

CAT No. IR-A01786
CAS No. 651770-09-1
Molecular Formula C33H35FN2O5
Molecular Weight 558.7
CAT No. IR-A01787
CAS No. 1312366-79-2
Molecular Formula C33H35FN2O5 : 1/2(Ca)
Molecular Weight 558.7 : 1/2 (40.1)
CAT No. IR-A01788
CAS No. 887196-26-1
Molecular Formula C33H35FN2O4
Molecular Weight 542.7
CAT No. IR-A01789
CAS No. 887196-30-7(free...
Molecular Formula C66H64CaF2N4O10
Molecular Weight 1151.31 g/mol
CAT No. IR-A01790
CAS No. 131275-93-9 (sod...
Molecular Formula C33H34FN2O5.1/2 Ca
Molecular Weight 577.67
CAT No. IR-A01791
CAS No. 1429437-85-3
Molecular Formula C34H37FN2O5
Molecular Weight 572.67
CAT No. IR-A01795
CAS No. NA
Molecular Formula C33H34FN2NaO5
Molecular Weight 580.62
CAT No. IR-A01796
CAS No. 1099474-28-8
Molecular Formula C37H43FN2O5
Molecular Weight 614.75
CAT No. IR-A01797
CAS No. 163217-75-2
Molecular Formula C33H34FN2O6 : Na
Molecular Weight 573.6 : 23.0
CAT No. IR-A01798
CAS No. 214217-86-4 (aci...
Molecular Formula C66H68CaF2N4O12
Molecular Weight 1187.36
CAT No. IR-A01799
CAS No. 163217-74-1
Molecular Formula C33H33FN205
Molecular Weight 556.62
CAT No. IR-A01800
CAS No. 265989-46-6 ; 21...
Molecular Formula C33H34FN2NaO6
Molecular Weight 596.62
CAT No. IR-A01794
CAS No. 442851-50-5
Molecular Formula C33H31FN2O3
Molecular Weight 522.61
CAT No. IR-A01792
CAS No. NA
Molecular Formula C33H31FN2NaO3
Molecular Weight 522.61
CAT No. IR-A01793
CAS No. 2588261-50-9
Molecular Formula C33H31FN2O3 : 1/2(Ca)
Molecular Weight 522.6 : 1/2(40.1)
CAT No. IR-A01801
CAS No. NA
Molecular Formula C35H37FN2O4
Molecular Weight 568.68
CAT No. IR-A01802
CAS No. 1624328-52-4
Molecular Formula C35H37FN2O4
Molecular Weight 568.7
CAT No. IR-A01803
CAS No. 1105067-93-3 (ac...
Molecular Formula C33H32FN2NaO4
Molecular Weight 562.61
CAT No. IR-A01804
CAS No. NA
Molecular Formula C33H34FN2NaO5
Molecular Weight 580.62
CAT No. IR-A01805
CAS No. NA
Molecular Formula C37H43FN2O5
Molecular Weight 614.75
CAT No. IR-A01806
CAS No. 1391052-00-8
Molecular Formula C33H33FN2NAO3
Molecular Weight 578.61
CAT No. IR-A01807
CAS No. NA
Molecular Formula C33H35FN2O5
Molecular Weight 570.65
CAT No. IR-A01808
CAS No. 110862-47-0
Molecular Formula C33H35FN2O5
Molecular Weight 570.7
CAT No. IR-A01809
CAS No. 110862-46-9
Molecular Formula C29H27FN2O2
Molecular Weight 454.54
CAT No. IR-A01810
CAS No. 1263176-34-6 (Ca...
Molecular Formula C33H33CaFN2O6 (Calcium Salt)
Molecular Weight 612.7
CAT No. IR-A01811
CAS No. 214217-88-6
Molecular Formula C33H33FN2Na2O6 (Disodium Salt) ;C33H35FN2O6 (Acid)
Molecular Weight 618.60 ;574.64
CAT No. IR-A01812
CAS No. 163217-70-7
Molecular Formula C33H33FN2O5
Molecular Weight 556.62
CAT No. IR-A01813
CAS No. NA
Molecular Formula C34H36FN2NaO5
Molecular Weight 594.65
CAT No. IR-A01814
CAS No. 1391052-82-6
Molecular Formula C33H33FN2O5
Molecular Weight 556.62
CAT No. IR-A01815
CAS No. NA
Molecular Formula C33H33FN2O5 : Na
Molecular Weight 556.6 : 23.0
CAT No. IR-A01816
CAS No. 581772-29-4
Molecular Formula C36H39FN2O5
Molecular Weight 598.7
CAT No. IR-A01817
CAS No. NA
Molecular Formula C37H41FN2O5
Molecular Weight 612.73
CAT No. IR-A01818
CAS No. 472967-95-6
Molecular Formula C40H47FN2O5
Molecular Weight 654.81
CAT No. IR-A01819
CAS No. 1105067-90-0
Molecular Formula C40H47FN2O5
Molecular Weight 654.81
CAT No. IR-A01820
CAS No. 125971-94-0
Molecular Formula C14H23NO4
Molecular Weight 269.34
CAT No. IR-A01821
CAS No. 196085-84-4
Molecular Formula C14H23NO4
Molecular Weight 269.34
CAT No. IR-A01822
CAS No. 186508-95-2
Molecular Formula C14H23NO4
Molecular Weight 269.34
CAT No. IR-A01823
CAS No. 196085-85-5
Molecular Formula C14H23NO4
Molecular Weight 269.34
CAT No. IR-A01824
CAS No. 134523-00-5
Molecular Formula C33H35FN2O5
Molecular Weight 558.64
CAT No. IR-A01825
CAS No. 1146977-93-6
Molecular Formula C35H39FN2O5
Molecular Weight 586.69
CAT No. IR-A01826
CAS No. NA
Molecular Formula C36H41FN2O5
Molecular Weight 600.72
CAT No. IR-A01827
CAS No. 345891-62-5
Molecular Formula C34H37FN2O5
Molecular Weight 572.67
CAT No. IR-A01828
CAS No. 134395-00-9
Molecular Formula C37H43FN2O5
Molecular Weight 614.75
CAT No. IR-A01829
CAS No. 463962-58-5
Molecular Formula C39H43FN2O11
Molecular Weight 734.76
CAT No. IR-A01830
CAS No. 2125501-02-0
Molecular Formula C33H36FN3O4
Molecular Weight 556.6
CAT No. IR-A01831
CAS No. 134523-03-8
Molecular Formula C33H34FN2O5 : 1/2(Ca)
Molecular Weight 557.6 : 1/2(40.1)
CAT No. IR-A01832
CAS No. NA
Molecular Formula C33H32FN2O6 : Ca
Molecular Weight 571.6 : 40.1
CAT No. IR-A01833
CAS No. 1040350-07-9
Molecular Formula C33H35FN2O5 : 1/2(Ca) : C3H8O2
Molecular Weight 558.7 : 1/2(40.1) : 76.1
CAT No. IR-A01834
CAS No. 344423-98-9
Molecular Formula C66H74CaF2N4O13
Molecular Weight 1209.39
CAT No. IR-A01835
CAS No. 873950-17-5
Molecular Formula C33H35FN2O7
Molecular Weight 590.64
CAT No. IR-A01836
CAS No. 1116118-82-1
Molecular Formula C50H64FN3O8
Molecular Weight 854.1
CAT No. IR-A01837
CAS No. 887470-43-1 (aci...
Molecular Formula C33H34FN2O7 . 1/2 Ca
Molecular Weight 589.63 + 20.04
CAT No. IR-A01838
CAS No. 1046118-40-4
Molecular Formula C33H33FN2O6
Molecular Weight 572.62
CAT No. IR-A01839
CAS No. 693793-82-7
Molecular Formula C26H23F2NO3
Molecular Weight 435.5
CAT No. IR-A01840
CAS No. 1797905-42-0
Molecular Formula C26H24FNO3
Molecular Weight 417.47
CAT No. IR-A01841
CAS No. 125971-96-2
Molecular Formula C26H24FNO3
Molecular Weight 417.47
CAT No. IR-A01842
CAS No. 1331869-19-2
Molecular Formula C26H22FNO3
Molecular Weight 415.46
CAT No. IR-A01843
CAS No. NA
Molecular Formula C34H38FN3O5
Molecular Weight 587.7
CAT No. IR-A01844
CAS No. 433289-84-0 (aci...
Molecular Formula C33H36N2O5
Molecular Weight 540.65
CAT No. IR-A01845
CAS No. 1516864-05-3
Molecular Formula C33H35N2O5 : Na
Molecular Weight 539.7 : 23.0
CAT No. IR-A01846
CAS No. 433289-83-9
Molecular Formula C33H35N2O5 : 1/2(Ca)
Molecular Weight 539.7 : 1/2(40.1)
CAT No. IR-A01847
CAS No. 842103-12-2
Molecular Formula C33H35FN2O5
Molecular Weight 558.65
CAT No. IR-A01848
CAS No. 840528-19-0
Molecular Formula C33H34FN2O5 . 1/2Ca
Molecular Weight 557.63
CAT No. IR-A01849
CAS No. 693793-53-2
Molecular Formula C33H33F2N2NaO5
Molecular Weight 598.61
CAT No. IR-A01850
CAS No. 1807481-00-0
Molecular Formula C33H34F2N2O5 : Na
Molecular Weight 576.6 : 23.0
CAT No. IR-A01851
CAS No. 148146-51-4
Molecular Formula C26H22FNO4
Molecular Weight 431.46
CAT No. IR-A01852
CAS No. 873950-19-7
Molecular Formula C26H24FNO5
Molecular Weight 449.5
CAT No. IR-A01853
CAS No. 1105067-88-6
Molecular Formula C33H34FN2O5- (acid part)
Molecular Weight 557.63
CAT No. IR-A01854
CAS No. 501121-34-2
Molecular Formula C33H34FN2NaO5
Molecular Weight 580.24
CAT No. IR-A01855
CAS No. 1428118-38-0
Molecular Formula C33H34FN2O5 : Na
Molecular Weight 557.6 : 23.0
CAT No. IR-A01856
CAS No. 887196-24-9 (aci...
Molecular Formula C40H47FN3O8
Molecular Weight 716.82
CAT No. IR-A01857
CAS No. 1371615-56-3
Molecular Formula C40H47FN3O8 : Na
Molecular Weight 716.8 : 23.0
CAT No. IR-A01858
CAS No. 887196-29-4
Molecular Formula C34H36FN2NaO5
Molecular Weight 594.65
CAT No. IR-A01859
CAS No. 125995-03-1
Molecular Formula C33H33FN2O4
Molecular Weight 540.62
CAT No. IR-A01860
CAS No. 125971-95-1
Molecular Formula C40H47FN2O5
Molecular Weight 654.81
CAT No. IR-A01861
CAS No. NA
Molecular Formula C33H32FN2O4 : 1/2(Ca)
Molecular Weight 539.6 : 1/2(40.1)
CAT No. IR-A01862
CAS No. NA
Molecular Formula C33H35FN2O5 : C33H33FN2O4
Molecular Weight 558.7 : 540.6
CAT No. IR-A01863
CAS No. NA
Molecular Formula C33H32FN2O5 : Na
Molecular Weight 555.6 : 23.0
CAT No. IR-A01864
CAS No. 862260-38-6
Molecular Formula C36H39FN2O5 : Na
Molecular Weight 598.7 : 23.0
CAT No. IR-A01866
CAS No. 873950-18-6 (Fre...
Molecular Formula C33H34FN2O7 : Na
Molecular Weight 589.6 : 23.0
CAT No. IR-A01867
CAS No. NA
Molecular Formula C33H34FN2O7 : 1/2(Ca)
Molecular Weight 589.6 : 1/2(40.1)
CAT No. IR-A01868
CAS No. NA
Molecular Formula C33H33FN2O6
Molecular Weight 572.62
CAT No. IR-A01869
CAS No. 873950-19-7
Molecular Formula C26H24FNO5
Molecular Weight 449.47
CAT No. IR-A01870
CAS No. 1315629-79-8
Molecular Formula C33H35FN2O7 (Free Base)
Molecular Weight 589.64 (Free Base)
CAT No. IR-A01871
CAS No. 1316291-19-6
Molecular Formula C33H34FN2NaO7
Molecular Weight 612.62
CAT No. IR-A01872
CAS No. 2588261-36-1
Molecular Formula C37H44N2O5
Molecular Weight 596.8
CAT No. IR-A01873
CAS No. 616201-27-5
Molecular Formula C38H43FN2O5
Molecular Weight 556.6
CAT No. IR-A01874
CAS No. 62148-67-8
Molecular Formula C14H10ClFO
Molecular Weight 248.7
CAT No. IR-A01875
CAS No. 1403667-07-1
Molecular Formula C14H9Cl2FO
Molecular Weight 283.1
CAT No. IR-A01876
CAS No. 444577-70-2
Molecular Formula C26H25NO3
Molecular Weight 399.5
CAT No. IR-A01877
CAS No. 363599-73-9
Molecular Formula C36H39FN2O5
Molecular Weight 598.7
CAT No. IR-A01878
CAS No. 666714-64-3
Molecular Formula C26H23FN2O
Molecular Weight 398.5
CAT No. IR-A01879
CAS No. 141942-85-0
Molecular Formula C7H11NO3
Molecular Weight 157.2
CAT No. IR-A01880
CAS No. NA
Molecular Formula C37H43N3O6
Molecular Weight 625.8
CAT No. IR-A01881
CAS No. 265989-44-4
Molecular Formula C33H35FN2O6 : 1/2(Ca)
Molecular Weight 574.6 : 1/2 (40.1)
CAT No. IR-A01882
CAS No. 366-68-7
Molecular Formula C14H10F2O
Molecular Weight 232.2
CAT No. IR-A01883
CAS No. 77294-82-7
Molecular Formula C14H11FO
Molecular Weight 214.2
CAT No. IR-A01884
CAS No. NA
Molecular Formula C26H23ClFNO3
Molecular Weight 451.9
CAT No. IR-A01885
CAS No. 912998-82-4
Molecular Formula C21H21FO4
Molecular Weight 356.4
CAT No. IR-A01886
CAS No. NA
Molecular Formula C26H25NO3
Molecular Weight 399.5
CAT No. IR-A01887
CAS No. 2514955-94-1
Molecular Formula C14H9Br2FO
Molecular Weight 372
CAT No. IR-A01888
CAS No. 125971-93-9
Molecular Formula C11H19NO4
Molecular Weight 229.3
CAT No. IR-A01889
CAS No. 77294-83-8
Molecular Formula C14H10ClFO
Molecular Weight 248.7
CAT No. IR-A01890
CAS No. 125988-01-4
Molecular Formula C11H17NO4
Molecular Weight 227.3
CAT No. IR-A01891
CAS No. 2591410-04-5
Molecular Formula C33H33FN2O6
Molecular Weight 572.6
CAT No. IR-A01892
CAS No. 40281-50-3
Molecular Formula C14H11FO
Molecular Weight 214.2
CAT No. IR-A01893
CAS No. 1817798-20-1
Molecular Formula C26H24FNO3
Molecular Weight 417.5
CAT No. IR-A01894
CAS No. NA
Molecular Formula C27H29FNO6 : 1/2(Ca)
Molecular Weight 482.5 : 1/2(40.1)
CAT No. IR-A01895
CAS No. 347-84-2
Molecular Formula C14H11FO
Molecular Weight 214.2
CAT No. IR-A01896
CAS No. 88675-31-4
Molecular Formula C14H10BrFO
Molecular Weight 293.1
CAT No. IR-A01897
CAS No. 124401-38-3
Molecular Formula C12H15NO2
Molecular Weight 205.3
CAT No. IR-A01898
CAS No. NA
Molecular Formula C11H21NO4
Molecular Weight 231.3
CAT No. IR-A01899
CAS No. 1198087-00-1
Molecular Formula C26H24FNO3
Molecular Weight 417.5
CAT No. IR-A01900
CAS No. 125971-57-5
Molecular Formula C19H19NO2
Molecular Weight 293.4
CAT No. IR-A01901
CAS No. 54016-70-5
Molecular Formula C8H14NOS : Br
Molecular Weight 172.3 : 79.9
CAT No. IR-A01902
CAS No. NA
Molecular Formula C60H81FN4O11
Molecular Weight 1053.3
CAT No. IR-A01903
CAS No. NA
Molecular Formula C47H60FN4O11 : Ca
Molecular Weight 876.0 : 40.1
CAT No. IR-A01904
CAS No. NA
Molecular Formula C33H31FN2O3
Molecular Weight 522.6
CAT No. IR-A01905
CAS No. 31315-51-2
Molecular Formula C14H10Cl2O
Molecular Weight 265.1
CAT No. IR-A01906
CAS No. 2409556-65-4
Molecular Formula C44H56FN3O8
Molecular Weight 773.9
CAT No. IR-A01907
CAS No. 125995-13-3
Molecular Formula C14H27NO4
Molecular Weight 273.4
CAT No. IR-A01908
CAS No. 1428118-12-0
Molecular Formula C37H43FN2O5
Molecular Weight 614.8
CAT No. IR-A01909
CAS No. 2588261-40-7
Molecular Formula C37H42F2N2O5
Molecular Weight 632.7
CAT No. IR-A01910
CAS No. 947262-20-6
Molecular Formula C37H41FN2O5
Molecular Weight 612.7
CAT No. IR-A01911
CAS No. 906552-18-9
Molecular Formula C33H35FN2O6
Molecular Weight 574.64
CAT No. IR-A01912
CAS No. NA
Molecular Formula C34H35FN2O4
Molecular Weight 554.65
CAT No. IR-A01913
CAS No. NA
Molecular Formula C34H35FN2O4
Molecular Weight 554.7
CAT No. IR-A01914
CAS No. NA
Molecular Formula C66H66F2N4O8
Molecular Weight 1081.25
CAT No. IR-A01915
CAS No. 1246818-88-1
Molecular Formula C26H24FNO3
Molecular Weight 417.47
CAT No. IR-A01916
CAS No. NA
Molecular Formula C39H40FN3O4
Molecular Weight 633.8
CAT No. IR-A01917
CAS No. NA
Molecular Formula C33H33N2O6 : Ca
Molecular Weight 553.6 : 40.1
CAT No. IR-A01918
CAS No. 148217-40-7
Molecular Formula C33H34FN2NaO6 (sodium salt)
Molecular Weight 596.62
CAT No. IR-A01919
CAS No. 906552-19-0
Molecular Formula C33H33FN2O5
Molecular Weight 556.62
CAT No. IR-A01920
CAS No. 1795790-02-1
Molecular Formula C34H37FN2O6
Molecular Weight 588.67
CAT No. IR-A01921
CAS No. 148217-41-8
Molecular Formula C33H32FN2O6 : Na
Molecular Weight 571.6 : 23.0
CAT No. IR-A01922
CAS No. 148127-12-2
Molecular Formula C33H32FN2O6
Molecular Weight 571.62
CAT No. IR-A01923
CAS No. 1795791-15-9
Molecular Formula C33H31FN2O5
Molecular Weight 554.61
CAT No. IR-A01924
CAS No. 906552-20-3
Molecular Formula C34H35FN2O6
Molecular Weight 586.65
CAT No. IR-A01925
CAS No. 1428125-03-4
Molecular Formula C33H32FN2O6 : Na
Molecular Weight 571.6 : 23.0
CAT No. IR-A01926
CAS No. 134523-01-6
Molecular Formula C33H34FN2NaO5
Molecular Weight 580.62
CAT No. IR-A01927
CAS No. NA
Molecular Formula C34H61N3O10
Molecular Weight 671.9
CAT No. IR-A01928
CAS No. 887196-25-0 (cal...
Molecular Formula C33H35FN2O5 (Free Acid)
Molecular Weight 558.63
CAT No. IR-A01929
CAS No. NA
Molecular Formula C33H35FN2O5 : Na
Molecular Weight 558.6 : 23.0
CAT No. IR-A01930
CAS No. 1105067-91-1
Molecular Formula C40H48N2O5
Molecular Weight 556.6
CAT No. IR-A01931
CAS No. NA
Molecular Formula C39H45FN2O12
Molecular Weight 752.8
CAT No. IR-A01932
CAS No. NA
Molecular Formula C39H45FN2O12
Molecular Weight 752.8
CAT No. IR-A01933
CAS No. 1046533-62-3
Molecular Formula C33H33FN2O6
Molecular Weight 556.6
CAT No. IR-A01934
CAS No. 496060-54-9
Molecular Formula C33H35FN2O6
Molecular Weight 556.6
CAT No. IR-A01935
CAS No. NA
Molecular Formula C33H32FN2O5 : 1/2(Ca)
Molecular Weight 555.6 : 40.1