Impurity Reference Standard - Products

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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Fesoterodine and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Fesoterodine impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Fesoterodine-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Fesoterodine Fumarate

CAT No: CL-FSTD-01 CAS No: 286930-03-8 Mol Wt: 411.6 : 116.1 Mol F: C26H37NO3 : C4H4O4 Inv Status: In Stock

Chemical Name: (R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl isobutyrate fumarate

Fesoterodine Impurity A

CAT No: CL-FSTD-02 CAS No: 200801-70-3 Mol Wt: 341.5 Mol F: C22H31NO2 Inv Status: Custom Synthesis

Chemical Name: 3-[3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxybenzenemethanol

Fesoterodine Impurity B

CAT No: CL-FSTD-03 CAS No: 1208313-13-6 Mol Wt: 481.7 Mol F: C30H43NO4 Inv Status: Custom Synthesis

Chemical Name: 2-Methylpropanoic Acid 2-[3-[(1R)-Bis(1-methylethyl)amino]-1-phenylpropyl]-4-[(2-methyl-1-oxopropoxy)methyl]phenyl Ester

Fesoterodine Impurity D

CAT No: CL-FSTD-04 CAS No: 1262778-55-1 Mol Wt: 425.6 Mol F: C26H35NO4 Inv Status: Custom Synthesis

Chemical Name: 3-(3-(Diisopropylamino)-1-phenylpropyl)-4-(isobutyryloxy)benzoic acid

Fesoterodine Impurity E

CAT No: CL-FSTD-05 CAS No: 1333234-71-1 Mol Wt: 409.6 Mol F: C26H35NO3 Inv Status: Custom Synthesis

Chemical Name: 2-(3-(Diisopropylamino)-1-phenylpropyl)-4-formylphenyl isobutyrate

Fesoterodine Impurity G

CAT No: CL-FSTD-06 CAS No: 1254942-29-4 Mol Wt: 509.6 Mol F: C30H39NO6 Inv Status: Custom Synthesis

Chemical Name: (R,E)-4-((3-(3-(diisopropylamino)-1-phenylpropyl)-4-(isobutyryloxy)benzyl)oxy)-4-oxobut-2-enoic acid

Fesoterodine Impurity H

CAT No: CL-FSTD-07 CAS No: 250214-44-9 Mol Wt: 411.6 Mol F: C26H37NO3 Inv Status: Custom Synthesis

Chemical Name: 2-(3-(Diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl isobutyrate

Fesoterodine Impurity P

CAT No: CL-FSTD-08 CAS No: 1380491-71-3 Mol Wt: 735.1 Mol F: C48H66N2O4 Inv Status: Custom Synthesis

Chemical Name: 2-((R)-3-(diisopropylamino)-1-phenylpropyl)-4-((2-((R)-3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenoxy)methyl)phenyl isobutyrate

Fesoterodine Impurity N

CAT No: CL-FSTD-09 CAS No: NA Mol Wt: 323.5 Mol F: C22H29NO Inv Status: Custom Synthesis

Chemical Name: (R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-methylenecyclohexa-2,5-dien-1-one

Monoester Of Symmetrical Dimer

CAT No: CL-FSTD-11 CAS No: Mol Wt: 735.1 Mol F: C48H66N2O4 Inv Status: Custom Synthesis

Chemical Name: 2-((R)-3-(Diisopropylamino)-1-phenylpropyl)-4-(((3-((R)-3-(diisopropylamino)-1-phenylpropyl)-4-hydroxybenzyl)oxy)methyl)phenyl isobutyrate

Fesoterodine Fumarate Ester Of Diol

CAT No: CL-FSTD-12 CAS No: 1428856-47-6 Mol Wt: 439.6 Mol F: C26H33NO5 Inv Status: Custom Synthesis

Chemical Name: (R,E)-4-((3-(3-(Diisopropylamino)-1-phenylpropyl)-4-hydroxybenzyl)oxy)-4-oxobut-2-enoic acid

Fesoterodine Acid Impurity

CAT No: CL-FSTD-13 CAS No: 194482-44-5 Mol Wt: 355.5 Mol F: C22H29NO3 Inv Status: Custom Synthesis

Chemical Name: (R)-3-(3-(Diisopropylamino)-1-phenylpropyl)-4-hydroxybenzoic acid

Symmetrical Dimer Of Diol

CAT No: CL-FSTD-14 CAS No: NA Mol Wt: 665 Mol F: C44H60N2O3 Inv Status: Custom Synthesis

Chemical Name: 4,4'-(Oxybis(methylene))bis(2-((R)-3-(diisopropylamino)-1-phenylpropyl)phenol)

(S)-Fesoterodine Fumarate

CAT No: CL-FSTD-15 CAS No: 1431511-18-0 Mol Wt: 411.6 : 116.1 Mol F: C26H37NO3 : C4H4O4 Inv Status: Custom Synthesis

Chemical Name: (S)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl isobutyrate fumarate

3-(3-Aminopropyl) Benzoic Acid HCL

CAT No: CL-FSTD-16 CAS No: 1346604-68-9 Mol Wt: 179.2 : 36.5 Mol F: C10H13NO2 : HCl Inv Status: Custom Synthesis

Chemical Name: 3-(3-Aminopropyl)benzoic acid hydrochloride

Fesoterodine Aldehyde Of Diol

CAT No: CL-FSTD-17 CAS No: 214601-12-4 Mol Wt: 339.5 Mol F: C22H29NO2 Inv Status: Custom Synthesis

Chemical Name: (R)-3-(3-(diisopropylamino)-1-phenylpropyl)-4-hydroxybenzaldehyde

Fesoterodine Related Impurity 3

CAT No: CL-FSTD-18 CAS No: NA Mol Wt: 409.6 : 116.1 Mol F: C26H35NO3 : C4H4O4 Inv Status: Custom Synthesis

Chemical Name: (R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-formylphenyl isobutyrate fumarate

Fesoterodine Related Impurity 4

CAT No: CL-FSTD-19 CAS No: 2765390-15-4 Mol Wt: 339.5 Mol F: C22H29NO2 Inv Status: Custom Synthesis

Chemical Name: (S)-3-(3-(Diisopropylamino)-1-phenylpropyl)-4-hydroxybenzaldehyde

Fesoterodine Related Impurity 7 HCl

CAT No: CL-FSTD-20 CAS No: NA Mol Wt: 425.6 : 36.5 Mol F: C27H39NO3 : HCl Inv Status: Custom Synthesis

Chemical Name: 2-((S)-3-(Diisopropylamino)-1-phenylpropyl)-4-(1-hydroxyethyl)phenyl isobutyrate hydrochloride

Fesoterodine Related Impurity 9

CAT No: CL-FSTD-21 CAS No: 1208313-16-9 Mol Wt: 397.6 Mol F: C25H35NO3 Inv Status: Custom Synthesis

Chemical Name: (R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl propionate

Fesoterodine Related Impurity 10

CAT No: CL-FSTD-22 CAS No: 1390644-37-7 Mol Wt: 409.6 Mol F: C26H35NO3 Inv Status: Custom Synthesis

Chemical Name: (R)-2-(3-(diisopropylamino)-1-phenylpropyl)-4-(hydroxymethyl)phenyl methacrylate

Fesoterodine Related Impurity 11

CAT No: CL-FSTD-23 CAS No: 194482-42-3 Mol Wt: 299.4 Mol F: C19H25NO2 Inv Status: Custom Synthesis

Chemical Name: (R)-4-(Hydroxymethyl)-2-(3-(isopropylamino)-1-phenylpropyl)phenol

Fesoterodine Related Impurity 12

CAT No: CL-FSTD-24 CAS No: NA Mol Wt: 252.3 Mol F: C17H16O2 Inv Status: Custom Synthesis

Chemical Name: (E)-4-Hydroxy-3-(1-phenylbut-2-en-1-yl)benzaldehyde

Fesoterodine N-Oxide

CAT No: CL-FSTD-25 CAS No: Mol Wt: 427.6 Mol F: C26H37NO4 Inv Status: Custom Synthesis

Chemical Name: (R)-3-(5-(Hydroxymethyl)-2-(isobutyryloxy)phenyl)-N,N-diisopropyl-3-phenylpropan-1-amine oxide

Fesoterodine Impurity

CAT No: CL-FSTD-26 CAS No: 200801-70-3 Mol Wt: 341.5 Mol F: C22H31NO2 Inv Status: Custom Synthesis

Chemical Name: 3-[3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxybenzenemethanol

Fesoterodine Impurity C

CAT No: CL-FSTD-27 CAS No: NA Mol Wt: 395.6 : 36.5 Mol F: C26H37NO2 : HCl Inv Status: Custom Synthesis

Chemical Name: (R)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-methylphenyl isobutyrate hydrochloride

Fesoterodine Impurity 13

CAT No: CL-FSTD-28 CAS No: 1380491-70-2 Mol Wt: 411.6 Mol F: C26H37NO3 Inv Status: Custom Synthesis

Chemical Name: (R)-3-(3-(Diisopropylamino)-1-phenylpropyl)-4-hydroxybenzyl isobutyrate

Racemic Tolterodine

CAT No: CL-FSTD-29 CAS No: 124936-74-9 Mol Wt: 325.5 Mol F: C22H31NO Inv Status: Custom Synthesis

Chemical Name: 2-(3-(diisopropylamino)-1-phenylpropyl)-4-methylphenol

(R)-(4-(Benzyloxy)-3-(3-(Diisopropylamino)-1-Phenylpropyl)Phenyl)Methanol

CAT No: CL-FSTD-31 CAS No: 156755-37-2 Mol Wt: 431.6 Mol F: C29H37NO2 Inv Status: Custom Synthesis

Chemical Name: (R)-(4-(Benzyloxy)-3-(3-(diisopropylamino)-1-phenylpropyl)phenyl)methanol

Fesoterodine Dimer Diester

CAT No: CL-FSTD-32 CAS No: Mol Wt: 805.2 : 116.1 Mol F: C52H72N2O5 : C4H4O4 Inv Status: Custom Synthesis

Chemical Name: 2-((S)-3-(Diisopropylamino)-1-phenylpropyl)-4-(((3-((R)-3-(diisopropylamino)-1-phenylpropyl)-4-(isobutyryloxy)benzyl)oxy)methyl)phenyl isobutyrate fumarate

Fesoterodine Symmetrical Dimer Of Diol Fumarate

CAT No: CL-FSTD-33 CAS No: NA Mol Wt: 664.9 : 116.1 Mol F: C44H60N2O3 : C4H4O4 Inv Status: Custom Synthesis

Chemical Name: (R)-4,4'-Oxybis(methylene)bis(2-((R)-3-(diisopropylamino)-1-phenylpropyl)phenol) fumarate

Fesoterodine Related Impurity 13

CAT No: CL-FSTD-34 CAS No: 848768-06-9 Mol Wt: 415.6 Mol F: C29H37NO Inv Status: Custom Synthesis

Chemical Name: (R)-3-(2-(benzyloxy)-5-methylphenyl)-N,N-diisopropyl-3-phenylpropan-1-amine

Type:Impurity Reference Standard

Total Products: 32

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