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Impurity standards

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

Impurity Standards

(3S)-3-Cyano-5-methylhexanoic acid

CAT. No.P130056 CAS No.181289-37-2 Mol. F.C8H13NO2 Mol. W.155.19 g/mol Stock Status Instock

COA MSDS

(3S,4R)-N-Methyl Paroxol

CAT. No.P080021 CAS No.105812-81-5 Mol. F.C13H18FNO Mol. W.223.29 g/mol Stock Status Instock

COA MSDS

(3S,4R)-Tofacitinib

CAT. No.T990016 CAS No.1092578-48-7 Mol. F.C16H20N6O Mol. W.312.37 g/mol Stock Status Instock

COA MSDS

(3S,4S)-Tofacitinib

CAT. No.T990008 CAS No.1092578-47-6 Mol. F.C16H20N6O Mol. W.312.37 g/mol Stock Status Instock

COA MSDS

(3S,4S)-Tofacitinib Citrate

CAT. No.T990008A CAS No.2174011-55-1 Mol. F.C16H20N6O.C6H8O7 Mol. W.504.49 g/mol Stock Status Instock

COA MSDS

(3S,5S)-Pitavastatin Calcium

CAT. No.P740037 CAS No.254452-92-1 Mol. F.2(C25H23FNO4).Ca Mol. W.880.98 g/mol Stock Status Instock

COA MSDS

(3S,E)-Latanoprost Isomer

CAT. No.L210016 CAS No.1235141-39-5 Mol. F.C26H40O5 Mol. W.432.59 g/mol Stock Status Instock

COA MSDS

(3`S,3R,4S)-Desfluoro Ezetimibe

CAT. No.E110049 CAS No.190595-66-5 Mol. F.C24H22FNO3 Mol. W.391.43 g/mol Stock Status Instock

COA MSDS

(4-hydroxy-3-methoxyphenyl)(4-methyl-3-nitrophenyl) methanone

CAT. No.T500005 CAS No.NA Mol. F.C15H13NO5 Mol. W.287.27g/mol Stock Status Instock

COA MSDS

(4-hydroxy-5-methoxy-2-nitrophenyl)(p-tolyl)methanone

CAT. No.T500006 CAS No.NA Mol. F.C15H13NO5 Mol. W.287.27 g/mol Stock Status Instock

COA MSDS

(4aS,7aS)-Octahydro-1H-pyrrolo[3,4-b]pyridine (Liquid)

CAT. No.M060043 CAS No.151213-40-0 Mol. F.C7H14N2 Mol. W.126.2 g/mol Stock Status Instock

COA MSDS

(4R,6R)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester

CAT. No.A120054 CAS No.125971-94-0 Mol. F.C14H23NO4 Mol. W.269.34 g/mol Stock Status Instock

COA MSDS

(4R,6S)-5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-ol 7,7-Dioxide

CAT. No.D380013 CAS No.147128-77-6 Mol. F.C8H10O3S2 Mol. W.218.29 g/mol Stock Status Instock

COA MSDS

(4S)-4-Propyloxolan-2-one

CAT. No.P1320006 CAS No.63095-60-3 Mol. F.C7H12O2 Mol. W.128.17 g/mol Stock Status Instock

COA MSDS

(5-(4-fluorophenyl)thiophen-2-yl)(5-iodo-2-methylphenyl)methanol

CAT. No.C960018 CAS No.1818268-45-9 Mol. F.C18H14FIOS Mol. W.424.27 g/mol Stock Status Instock

COA MSDS

(5-Chloro-2-hydroxy-phenyl)-urea

CAT. No.C730007 CAS No.57718-28-2 Mol. F.C7H7ClN2O2 Mol. W.186.59 g/mol Stock Status Instock

COA MSDS

(5aR,6R)-6-Amino-5a,6-dihydro-3H,7H-Azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione Hydrochloride

CAT. No.C750009 CAS No.184696-69-3(freebase) Mol. F.C8H9ClN2O3S Mol. W.248.69 g/mol Stock Status Instock

COA MSDS

(6,11-Dihydro-5H-dibenzo[b,e]azepin-6-yl)methanamine

CAT. No.C0100179 CAS No.41218-84-2 Mol. F.C15H16N2 Mol. W.224.30 g/mol Stock Status Instock

COA MSDS

(6-aMinopyridin-2-yl)(1-Methylpiperidin-4-yl)Methanone

CAT. No.L1210002 CAS No.613678-03-8 Mol. F.C12H17N3O Mol. W.219.28 g/mol Stock Status Instock

COA MSDS

(6E)-8-Methyl-6-nonenoic Acid

CAT. No.C390004 CAS No.59320-77-3 Mol. F.C10H18O2 Mol. W.170.25 g/mol Stock Status Instock

COA MSDS

(6R)-6-Formamidopenicillansaeure

CAT. No.P470060 CAS No.64527-04-4 Mol. F.C9H12N2O4S Mol. W.244.27 g/mol Stock Status Instock

COA MSDS

(9Z)-Erythromycin A Oxime

CAT. No.R390006 CAS No.134931-01-4 Mol. F.C37H68N2O13 Mol. W.748.94 g/mol Stock Status Instock

COA MSDS

(alphaR)-5, 6, 7, 8-Tetrahydro--methyl-1-naphthalenemethanamine

CAT. No.C340042 CAS No.851984-49-1 Mol. F.C12H17N Mol. W.175.27 g/mol Stock Status Instock

COA MSDS

(Arg8)-Vasopressin Trifluoroacetate

CAT. No.V210043 CAS No.NA Mol. F.C46H64N14O13S2.C2HF3O2 Mol. W.1199.24 g/mol Stock Status Instock

COA MSDS

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Impurity standards

Impurity Standards

(3S)-3-Cyano-5-methylhexanoic acid

(3S,4R)-N-Methyl Paroxol

(3S,4R)-Tofacitinib

(3S,4S)-Tofacitinib

(3S,4S)-Tofacitinib Citrate

(3S,5S)-Pitavastatin Calcium

(3S,E)-Latanoprost Isomer

(3`S,3R,4S)-Desfluoro Ezetimibe

(4-hydroxy-3-methoxyphenyl)(4-methyl-3-nitrophenyl) methanone

(4-hydroxy-5-methoxy-2-nitrophenyl)(p-tolyl)methanone

(4aS,7aS)-Octahydro-1H-pyrrolo[3,4-b]pyridine (Liquid)

(4R,6R)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester

(4R,6S)-5,6-Dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-4-ol 7,7-Dioxide

(4S)-4-Propyloxolan-2-one

(5-(4-fluorophenyl)thiophen-2-yl)(5-iodo-2-methylphenyl)methanol

(5-Chloro-2-hydroxy-phenyl)-urea

(5aR,6R)-6-Amino-5a,6-dihydro-3H,7H-Azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione Hydrochloride

(6,11-Dihydro-5H-dibenzo[b,e]azepin-6-yl)methanamine

(6-aMinopyridin-2-yl)(1-Methylpiperidin-4-yl)Methanone

(6E)-8-Methyl-6-nonenoic Acid

(6R)-6-Formamidopenicillansaeure

(9Z)-Erythromycin A Oxime

(alphaR)-5, 6, 7, 8-Tetrahydro--methyl-1-naphthalenemethanamine

(Arg8)-Vasopressin Trifluoroacetate

Product structure

Sample structure