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Pharmaceutical Impurity Reference Standards

Process impurities, degradation products and genotoxic impurity reference standards with full characterization.

Imatinib Impurity 29 structure

Imatinib Impurity 29

CAS: 21900-30-1

In Stock97%+

Imatinib Impurity 59 structure

Imatinib Impurity 59

CAS: 796738-72-2

In Stock97%+

Imatinib Impurity 62 structure

Imatinib Impurity 62

CAS: 314268-40-1

In Stock97%+

Imeglimin Impurity 1 structure

Imeglimin Impurity 1

CAS: 21320-31-0

In Stock97%+

Imidafenacin Impurity 10 structure

Imidafenacin Impurity 10

CAS: 6309-36-0

In Stock97%+

Imidafenacin Impurity N1 structure

Imidafenacin Impurity N1

CAS: 562091-56-9

In Stock97%+

Imidocarb Impurity 1 DiHCl structure

Imidocarb Impurity 1 DiHCl

CAS: 94213-44-2

In Stock97%+

Imidocarb Impurity 2 structure

Imidocarb Impurity 2

CAS: 31659-42-4

In Stock97%+

Imipenem Impurity 13 structure

Imipenem Impurity 13

CAS: 93788-47-7

In Stock97%+

Imipramine EP Impurity A structure

Imipramine EP Impurity A

CAS: 50-47-5

In Stock97%+

Imipramine EP Impurity B structure

Imipramine EP Impurity B

CAS: 303-54-8

In Stock97%+

Imipramine EP Impurity B HCl structure

Imipramine EP Impurity B HCl

CAS: 58262-51-4

In Stock97%+

Imipramine impurity C structure

Imipramine impurity C

CAS: 2307-88-2

In Stock97%+

Imiquimod Impurity 10 structure

Imiquimod Impurity 10

CAS: 39558-79-7

In Stock97%+

Imiquimod Impurity N1 structure

Imiquimod Impurity N1

CAS: 853793-02-9

In Stock97%+

Imiquimod Impurity 2 structure

Imiquimod Impurity 2

CAS: 99010-09-0

In Stock97%+

Imiquimod Impurity 9 structure

Imiquimod Impurity 9

CAS: 23432-46-4

In Stock97%+

Indapamide Impurity F structure

Indapamide Impurity F

CAS: 62574-66-7

In Stock97%+

Indobufen Impurity N3 structure

Indobufen Impurity N3

CAS: 21762-23-2

In Stock97%+

Indobufen Impurity N1 structure

Indobufen Impurity N1

CAS: 6973-78-0

In Stock97%+

Indocyanine Green Impurity 13 structure

Indocyanine Green Impurity 13

CAS: 20893-80-5

In Stock97%+

Indometacin Impurity N1 structure

Indometacin Impurity N1

CAS: 5446-07-1

In Stock97%+

Indomethacin Impurity 1 structure

Indomethacin Impurity 1

CAS: 4584-39-8

In Stock97%+

Indomethacin Impurity 2 structure

Indomethacin Impurity 2

CAS: 97460-20-3

In Stock97%+

Indomethacin Impurity 24 structure

Indomethacin Impurity 24

CAS: 828-94-4

In Stock97%+

Indomethacin Impurity 8 structure

Indomethacin Impurity 8

CAS: 4346-59-2

In Stock97%+

Indoramin Impurity B structure

Indoramin Impurity B

CAS: 971-34-6

In Stock97%+

Indoramin Impurity C structure

Indoramin Impurity C

CAS: 33953-37-6

In Stock97%+

Iodoquinol Impurity 6 structure

Iodoquinol Impurity 6

CAS: 7385-89-9

In Stock97%+

Iodoquinol Impurity 7 structure

Iodoquinol Impurity 7

CAS: 497084-48-7

In Stock97%+

Iohexol Impurity 11 structure

Iohexol Impurity 11

CAS: 76820-35-4

In Stock97%+

Ionone Impurity 01 structure

Ionone Impurity 01

CAS: 35031-06-2

In Stock97%+

Ionone Impurity 5 structure

Ionone Impurity 5

CAS: 5552-30-7

In Stock97%+

Iopromide Impurity 18 structure

Iopromide Impurity 18

CAS: 76350-03-3

In Stock97%+

Iopromide Impurity 25 HCl structure

Iopromide Impurity 25 HCl

CAS: 874302-08-6

In Stock97%+

Ioxaglic acid impurity A CRS structure

Ioxaglic acid impurity A CRS

CAS: 22871-58-5

In Stock97%+

Irbesartan Impurity 14 structure

Irbesartan Impurity 14

CAS: 210037-90-4

In Stock97%+

Irinotecan Impurity 14 structure

Irinotecan Impurity 14

CAS: 35364-15-9

In Stock97%+

Irinotecan Impurity 23 structure

Irinotecan Impurity 23

CAS: 946821-59-6

In Stock97%+

Irinotecan Impurity 7 structure

Irinotecan Impurity 7

CAS: 206182-51-6

In Stock97%+

Irinotecan Impurity 8 structure

Irinotecan Impurity 8

CAS: 78287-14-6

In Stock97%+

Irinotecan Impurity 9 structure

Irinotecan Impurity 9

CAS: 80758-83-4

In Stock97%+

Irsogladine Impurity 1 structure

Irsogladine Impurity 1

CAS: 30222-00-5

In Stock97%+

Irsogladine Impurity 2 structure

Irsogladine Impurity 2

CAS: 61382-84-1

In Stock97%+

Irsogladine Impurity C18 structure

Irsogladine Impurity C18

CAS: 29366-77-6

In Stock97%+

Irsogladine Impurity C18 structure

Irsogladine Impurity C18

CAS: 4514-54-9

In Stock97%+

Isavuconazole Impurity 101 structure

Isavuconazole Impurity 101

CAS: 594-01-4

In Stock97%+

Isofluorane Impurity 10 structure

Isofluorane Impurity 10

CAS: 37031-34-8

In Stock97%+

Isofluorane Impurity 11 structure

Isofluorane Impurity 11

CAS: 26644-86-0

In Stock97%+

Isofluorane Impurity 20 structure

Isofluorane Impurity 20

CAS: 354-32-5

In Stock97%+

Isofluorane Impurity N1 structure

Isofluorane Impurity N1

CAS: 463-98-9

In Stock97%+

Isofluorane Impurity N2 structure

Isofluorane Impurity N2

CAS: 464-00-6

In Stock97%+

Isometheptene - Impurity C structure

Isometheptene - Impurity C

CAS: 42272-94-6

In Stock97%+

Isometheptene BP Impurity A structure

Isometheptene BP Impurity A

CAS: 503-00-4

In Stock97%+

Isometheptene Impurity D structure

Isometheptene Impurity D

CAS: 764-32-9

In Stock97%+

Isometheptene Impurity E structure

Isometheptene Impurity E

CAS: 4436-89-9

In Stock97%+

Isoniazid Impurity 3 structure

Isoniazid Impurity 3

CAS: 4813-04-1

In Stock97%+

Fenofibrate Impurity N6 structure

Fenofibrate Impurity N6

CAS: 72575-86-1

In Stock97%+

Isopropylphenidate Impurity structure

Isopropylphenidate Impurity

CAS: 93148-46-0

In Stock97%+

Isoproturon Impurity 2 structure

Isoproturon Impurity 2

CAS: 70214-90-3

In Stock>95%

Isoproturon Impurity 3 structure

Isoproturon Impurity 3

CAS: 55304-10-4

In Stock>95%

Isoquinoline Impurity 22 structure

Isoquinoline Impurity 22

CAS: 91344-81-9

In Stock97%+

Isothipendyl Impurity 1 structure

Isothipendyl Impurity 1

CAS: 261-96-1

In Stock97%+

Isoxsuprine Impurity 1 structure

Isoxsuprine Impurity 1

CAS: 35205-54-0

In Stock97%+

Istradefylline impurity structure

Istradefylline impurity

CAS: 49540-32-1

In Stock97%+

Itopride Impurity F structure

Itopride Impurity F

CAS: 841259-18-5

In Stock97%+

Itraconazole Impurity 12 structure

Itraconazole Impurity 12

CAS: 67914-84-5

In Stock97%+

Itraconazole Impurity 18 structure

Itraconazole Impurity 18

CAS: 74853-07-9

In Stock97%+

Itraconazole Impurity 23 structure

Itraconazole Impurity 23

CAS: 79538-90-2

In Stock97%+

Itraconazole Impurity 25 structure

Itraconazole Impurity 25

CAS: 89848-19-1

In Stock97%+

Itraconazole Impurity 26 structure

Itraconazole Impurity 26

CAS: 89848-20-4

In Stock97%+

Itraconazole Impurity 5 structure

Itraconazole Impurity 5

CAS: 74852-89-4

In Stock97%+

Ivabradine Impurity 17 structure

Ivabradine Impurity 17

CAS: 866783-12-2

In Stock97%+

Ivabradine Impurity 2 structure

Ivabradine Impurity 2

CAS: 73954-34-4

In Stock97%+

Ivabradine Impurity 44 structure

Ivabradine Impurity 44

CAS: 79623-31-7

In Stock97%+

Ivabradine Impurity 55 structure

Ivabradine Impurity 55

CAS: 694-87-1

In Stock97%+

Ivabradine Impurity 76 structure

Ivabradine Impurity 76

CAS: 55171-70-5

In Stock97%+

Jasmonic Acid Impurity 2（rac-trans Jasmonic Acid Methyl Ester） structure

Jasmonic Acid Impurity 2（rac-trans Jasmonic Acid Methyl Ester）

CAS: 20073-13-6

In Stock97%+

Josamycin EP Impurity F structure

Josamycin EP Impurity F

CAS: 22875-15-6

In Stock97%+

Josamycin Impurity N structure

Josamycin Impurity N

CAS: 31642-61-2

In Stock97%+

JWH-203 Impurity 1（JWH 203 4-Chloro Isomer） structure

JWH-203 Impurity 1（JWH 203 4-Chloro Isomer）

CAS: 864445-58-9

In Stock97%+

JWH-203 Impurity 2（JWH 203 3-Chloro Isomer） structure

JWH-203 Impurity 2（JWH 203 3-Chloro Isomer）

CAS: 864445-56-7

In Stock97%+

Kanamycin Impurity N1 structure

Kanamycin Impurity N1

CAS: 51736-76-6

In Stock97%+

Keto Diclofenac Sodium Salt structure

Keto Diclofenac Sodium Salt

CAS: 70757-34-5

In Stock97%+

Ketobemidone impurity B (Y0000244) structure

Ketobemidone impurity B (Y0000244)

CAS: 64058-44-2

In Stock97%+

Ketoconazole Impurity 10 structure

Ketoconazole Impurity 10

CAS: 61441-65-4

In Stock97%+

Ketoconazole Impurity 38 structure

Ketoconazole Impurity 38

CAS: 24123-68-0

In Stock97%+

Ketoprofen Impurity 13 structure

Ketoprofen Impurity 13

CAS: 772-54-3

In Stock97%+

Ketoprofen Impurity 38 structure

Ketoprofen Impurity 38

CAS: 24131-07-5

In Stock97%+

Ketoprofen Impurity 40 structure

Ketoprofen Impurity 40

CAS: 28310-25-0

In Stock97%+

Ketorolac impurity 01 structure

Ketorolac impurity 01

CAS: 87549-01-7

In Stock97%+

Ketorolac Pyrrole Ester Impurity structure

Ketorolac Pyrrole Ester Impurity

CAS: 4778-25-0

In Stock97%+

Kyprolis Impurity 32 structure

Kyprolis Impurity 32

CAS: 247068-83-3

In Stock97%+

Kyprolis Impurity J structure

Kyprolis Impurity J

CAS: 70691-56-4

In Stock97%+

Kyprolis Impurity K structure

Kyprolis Impurity K

CAS: 70637-26-2

In Stock97%+

Labetalol EP Impurity D structure

Labetalol EP Impurity D

CAS: CATO-C1829030

In Stock97%+

Labetalol EP Impurity F structure

Labetalol EP Impurity F

CAS: 85665-85-6

In Stock97%+

Labetol Impurity C structure

Labetol Impurity C

CAS: 30566-92-8

In Stock97%+

Lacidipine Impurity 2 structure

Lacidipine Impurity 2

CAS: 28272-96-0

In Stock97%+

Lacosamide Impurity 31 structure

Lacosamide Impurity 31

CAS: 93782-09-3

In Stock97%+

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