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Impurity standards

Leading impurity characterization with expertly developed standards that strengthen quality, compliance, and analytical confidence.

Impurity Standards

4-Ethoxy-7-methoxyquinoline-6-carboxamide

CAT. No.L840024 CAS No.2143930-77-0 Mol. F.C13H14N2O3 Mol. W.246.26 g/mol Stock Status Instock

COA MSDS

4-Ethoxyacetophenone

CAT. No.L020013 CAS No.1676-63-7 Mol. F.C10H12O2 Mol. W.164.20 g/mol Stock Status Instock

COA MSDS

4-Fluoro Dolutegravir

CAT. No.D880016 CAS No.1863916-88-4 Mol. F.C20H20FN3O5 Mol. W.401.39 g/mol Stock Status Instock

COA MSDS

4-Fluoro Dolutegravir Sodium Salt

CAT. No.D880081 CAS No.1863916-88-4 (free base) Mol. F.C20H19FN3O5.Na Mol. W.423.37 g/mol Stock Status Instock

COA MSDS

4-Fluoro Olanzapine

CAT. No.O010036 CAS No.NA Mol. F.C17H19FN4S Mol. W.330.42 g/mol Stock Status Instock

COA MSDS

4-Fluoro Safinamide

CAT. No.S1120025 CAS No.202825-43-2 Mol. F.C17H19FN2O2 Mol. W.302.34 g/mol Stock Status Instock

COA MSDS

4-Fluoroaniline

CAT. No.E110045 CAS No.371-40-4 Mol. F.C6H6FN Mol. W.111.12 g/mol Stock Status Instock

COA MSDS

4-Fluorobenzoic acid

CAT. No.H100018 CAS No.456-22-4 Mol. F.C7H5FO2 Mol. W.140.11 g/mol Stock Status Instock

COA MSDS

4-Fluorobenzylamine

CAT. No.F220001 CAS No.140-75-0 Mol. F.C7H8FN Mol. W.125.14 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Atorvastatin Calcium

CAT. No.A120007 CAS No.1263176-34-6 Mol. F.C33H34FN2O6 .1/2Ca Mol. W.1187.36 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Atorvastatin lactone

CAT. No.A120011 CAS No.163217-70-7 Mol. F.C33H33FN2O5 Mol. W.556.62 g/mol Stock Status Instock

COA MSDS

4-Hydroxy carbazole

CAT. No.C020014 CAS No.52602-39-8 Mol. F.C12H9NO Mol. W.183.2 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Diclofenac

CAT. No.A020011 CAS No.64118-84-9 Mol. F.C14H11Cl2NO3 Mol. W.312.15 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Mexiletine Hydrochloride

CAT. No.M950010 CAS No.123363-66-6 Mol. F.C11H18ClNO2 Mol. W.231.72 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Nimesulide

CAT. No.N030010 CAS No.109032-22-6 Mol. F.C13H12N2O6S Mol. W.324.31 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Omeprazole Disodium

CAT. No.O040025A CAS No.301669-82-9(as base) Mol. F.C16H15N3Na2O3S Mol. W.375.35 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Omeprazole Sulfide

CAT. No.E030015 CAS No.103876-98-8 Mol. F.C16H17N3O2S Mol. W.315.39 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Pridinol

CAT. No.P1510008 CAS No.897834-14-9 Mol. F.C20H25NO2 Mol. W.311.40 g/mol Stock Status Instock

COA MSDS

4-Hydroxy Propranolol Hydrochloride

CAT. No.P520008 CAS No.14133-90-5 Mol. F.C16H21NO3HCl Mol. W.311.80 g / mol Stock Status Instock

COA MSDS

4-Hydroxy Triamterene Sulfate Sodium Salt

CAT. No.T450002 CAS No.73756-87-3 Mol. F.C12H10N7NaO4S Mol. W.371.31 g/mol Stock Status Instock

COA MSDS

4-Hydroxy-1-butanesulfonic Acid Sodium Salt

CAT. No.B770002 CAS No.31465-25-5 Mol. F.C4H9NaO4S Mol. W.176.16 g/mol Stock Status Instock

COA MSDS

4-Hydroxy-3-methoxy-5-methyl benzaldehyde

CAT. No.V070008 CAS No.32263-14-2 Mol. F.C9H10O3 Mol. W.166.17 g/mol Stock Status Instock

COA MSDS

4-Hydroxy-6-methyl-2-pyrone

CAT. No.S270007 CAS No.675-10-5 Mol. F.C6H6O3 Mol. W.126.11 g/mol Stock Status Instock

COA MSDS

4-Hydroxy-Nabumetone

CAT. No.N310009 CAS No.98386-83-5 Mol. F.C15H16O3 Mol. W.244.30 g/mol Stock Status Instock

COA MSDS

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Impurity standards

Impurity Standards

4-Ethoxy-7-methoxyquinoline-6-carboxamide

4-Ethoxyacetophenone

4-Fluoro Dolutegravir

4-Fluoro Dolutegravir Sodium Salt

4-Fluoro Olanzapine

4-Fluoro Safinamide

4-Fluoroaniline

4-Fluorobenzoic acid

4-Fluorobenzylamine

4-Hydroxy Atorvastatin Calcium

4-Hydroxy Atorvastatin lactone

4-Hydroxy carbazole

4-Hydroxy Diclofenac

4-Hydroxy Mexiletine Hydrochloride

4-Hydroxy Nimesulide

4-Hydroxy Omeprazole Disodium

4-Hydroxy Omeprazole Sulfide

4-Hydroxy Pridinol

4-Hydroxy Propranolol Hydrochloride

4-Hydroxy Triamterene Sulfate Sodium Salt

4-Hydroxy-1-butanesulfonic Acid Sodium Salt

4-Hydroxy-3-methoxy-5-methyl benzaldehyde

4-Hydroxy-6-methyl-2-pyrone

4-Hydroxy-Nabumetone

Product structure

Sample structure