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Impurity standards

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

Impurity Standards

4-Hydroxymethyl Vortioxetine

CAT. No.V230069 CAS No.1429750-85-5 Mol. F.C18H22N2OS Mol. W.314.45 g/mol Stock Status Instock

COA MSDS

4-isobutylphenol

CAT. No.I010071 CAS No.4167-74-2 Mol. F.C10H14O Mol. W.150.20 g/mol Stock Status Instock

COA MSDS

4-isobutylpiperidine-2,6-dione

CAT. No.P130011 CAS No.916982-10-0 Mol. F.C9H15NO2 Mol. W.169.22 g/mol Stock Status Instock

COA MSDS

4-Isobutylstyrene

CAT. No.I010039 CAS No.63444-56-4 Mol. F.C12H16 Mol. W.160.25 g/mol Stock Status Instock

COA MSDS

4-Isopropylbenzoic Acid

CAT. No.I010091 CAS No.536-66-3 Mol. F.C10H12O2 Mol. W.164.2 g/mol Stock Status Instock

COA MSDS

4-Methoxy Lornoxicam

CAT. No.L340003 CAS No.2469039-23-2 Mol. F.C14H12ClN3O4S2 Mol. W.385.85 g/mol Stock Status Instock

COA MSDS

4-Methoxy meloxicam

CAT. No.M080009 CAS No.1391051-96-9 Mol. F.C15H15N3O4S2 Mol. W.365.43 g/mol Stock Status Instock

COA MSDS

4-Methoxy-3,5-dimethylpyridine 1-Oxide

CAT. No.E030032 CAS No.91219-89-5 Mol. F.C8H11NO2 Mol. W.153.18 g/mol Stock Status Instock

COA MSDS

4-Methoxy-4`-chlorobenzophenone

CAT. No.F090012 CAS No.10547-60-1 Mol. F.C14H11ClO2 Mol. W.246.69 g/mol Stock Status Instock

COA MSDS

4-Methoxyphenethylamine

CAT. No.V030038 CAS No.55-81-2 Mol. F.C9H13NO Mol. W.151.21 g/mol Stock Status Instock

COA MSDS

4-Methoxyphenylhydrazine hydrochloride

CAT. No.I060013 CAS No.19501-58-7 Mol. F.C7H11ClN2O Mol. W.174.63 g/mol Stock Status Instock

COA MSDS

4-Methyl-1-(3-methyl-2-pyridinyl)-2-phenylpiperazine

CAT. No.M120005 CAS No.191546-94-8 Mol. F.C17H21N3 Mol. W.267.37 g/mol Stock Status Instock

COA MSDS

4-Methyl-4-(methylnitrosoamino)-2-pentanone

CAT. No.V020088 CAS No.16339-21-2 Mol. F.C7H14N2O2 Mol. W.158.20 g/mol Stock Status Instock

COA MSDS

4-methylbenzamide

CAT. No.I020009 CAS No.619-55-6 Mol. F.C8H9NO Mol. W.135.16 g/ mol Stock Status Instock

COA MSDS

4-Methylimidazole

CAT. No.A870005 CAS No.822-36-6 Mol. F.C4H6N2 Mol. W.82.11 g/mol Stock Status Instock

COA MSDS

4-Methylphenazone

CAT. No.P990001 CAS No.56430-08-1 Mol. F.C12H14N2O Mol. W.202.25 g / mol Stock Status Instock

COA MSDS

4-Morpholineethanol

CAT. No.N570002 CAS No.622-40-2 Mol. F.C6H13NO2 Mol. W.131.17 g/mol Stock Status Instock

COA MSDS

4-N,N-(Bis-(3-methyl phenyl)methyl)-1,4-chloro Benzhydryl piperazinium bromide

CAT. No.M100005 CAS No.NA Mol. F.C33H36BrClN2 Mol. W.576.01 g/mol Stock Status Instock

COA MSDS

4-Nitrophenylacetonitrile

CAT. No.G120012 CAS No.555-21-5 Mol. F.C8H6N2O2 Mol. W.162.15 g/mol Stock Status Instock

COA MSDS

4-Nitrophthalic acid

CAT. No.P1200012 CAS No.610-27-5 Mol. F.C8H5NO6 Mol. W.211.13 g/mol Stock Status Instock

COA MSDS

4-Nitrophthalic Anhydride

CAT. No.P1200013 CAS No.5466-84-2 Mol. F.C8H3NO5 Mol. W.193.11 g/mol Stock Status Instock

COA MSDS

4-Nitrosomethylaminopyridine

CAT. No.V020080 CAS No.16219-99-1 Mol. F.C6H7N3O Mol. W.137.14 g/mol Stock Status Instock

COA MSDS

4-O-Demethyl Griseofulvin

CAT. No.G130007 CAS No.5128-41-6 Mol. F.C16H15ClO6 Mol. W.338.74 g/mol Stock Status Instock

COA MSDS

4-Oxo-all-transretinoic acid

CAT. No.I140023 CAS No.38030-57-8 Mol. F.C20H26O3 Mol. W.314.42 g/mol Stock Status Instock

COA MSDS

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Impurity standards

Impurity Standards

4-Hydroxymethyl Vortioxetine

4-isobutylphenol

4-isobutylpiperidine-2,6-dione

4-Isobutylstyrene

4-Isopropylbenzoic Acid

4-Methoxy Lornoxicam

4-Methoxy meloxicam

4-Methoxy-3,5-dimethylpyridine 1-Oxide

4-Methoxy-4`-chlorobenzophenone

4-Methoxyphenethylamine

4-Methoxyphenylhydrazine hydrochloride

4-Methyl-1-(3-methyl-2-pyridinyl)-2-phenylpiperazine

4-Methyl-4-(methylnitrosoamino)-2-pentanone

4-methylbenzamide

4-Methylimidazole

4-Methylphenazone

4-Morpholineethanol

4-N,N-(Bis-(3-methyl phenyl)methyl)-1,4-chloro Benzhydryl piperazinium bromide

4-Nitrophenylacetonitrile

4-Nitrophthalic acid

4-Nitrophthalic Anhydride

4-Nitrosomethylaminopyridine

4-O-Demethyl Griseofulvin

4-Oxo-all-transretinoic acid

Product structure

Sample structure