Fexofenadine Impurity 18

SZ CAT No:	SZ-F026042
CAS No	394222-30-1
Mol.F.	C15H20O4
Mol.Wt.	264.3
Inv. Status	In Stock

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Chemical Name: Methyl 2-(4-(4-hydroxybutanoyl)phenyl)-2-methylpropanoate

Shipping Temperature: Ambient

HSN Code: 38229010

Country of Origin: India

Smiles: CC(C)(C1=CC=C(C(CCCO)=O)C=C1)C(OC)=O

Separation of Fexofenadine, Pseudoephedrine, Potential Impurities, and Degradation Products Using Ion Interaction Chromatography
Thomas A. Walker Gary L. Schmitt
Journal of Liquid Chromatography & Related Technologies, 29: 25–43, 2006

Simultaneous determination of fexofenadine and its related compounds by HPLC
T. Radhakrishna a , G. Om Reddy
Journal of Pharmaceutical and Biomedical Analysis 29 (2002) 681–690

Novel Preparation of H1 Receptor Antagonist Fexofenadine
Jun Huang,†,‡ Wen Wang,† and Li-Xin Wang
Organic Process Research & Development 2010, 14, 1464–1468

Development of validated stability-indicating chromatographic method for the determination of fexofenadine hydrochloride and its related impurities in pharmaceutical tablets
Hadir M Maher, Maha A Sultan & Ileana V Olah
Chemistry Central Journal volume 5, Article number: 76 (2011)

Fexofenadine Impurity 18 is chemically Methyl 2-(4-(4-hydroxybutanoyl)phenyl)-2-methylpropanoate. Fexofenadine Impurity 18 is supplied with detailed characterization data compliant with regulatory guideline. Fexofenadine Impurity 18 can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Fexofenadine.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.

SZ CAT No:	: SZ-F026001
CAS No	: 83799-24-0
Mol.F.	: C32H39NO4
Mol.Wt.	: 501.7
Inv. Status	: In Stock
Rel. CAS No	: 153439-40-8 (HCl salt) ; 1319714-86-7 (sodium salt) 885946-90-7 (dihydrochloride)

SZ CAT No:	: SZ-F026032
CAS No	: 153439-40-8
Mol.F.	: C32H39NO4 : HCl
Mol.Wt.	: 501.7 : 36.5
Inv. Status	: In Stock
Rel. CAS No	: 83799-24-0 (free base) ; 1319714-86-7 (sodium salt) 885946-90-7 (dihydrochloride)

SZ CAT No:	: SZ-F026D03
CAS No	: 1215821-44-5
Mol.F.	: C32H29D10NO4 : HCl
Mol.Wt.	: 511.7 : 36.5
Inv. Status	: Custom Synthesis
Rel. CAS No	: 1215900-18-7 (free base)

Fexofenadine Impurity 18

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SZ CAT No:	: SZ-F026002
CAS No	: 76811-98-8
Mol.F.	: C32H37NO4
Mol.Wt.	: 499.7
Inv. Status	: Limited Stock

SZ CAT No:	: SZ-F026003
CAS No	: 479035-75-1
Mol.F.	: C32H39NO4
Mol.Wt.	: 501.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026004
CAS No	: 185066-37-9
Mol.F.	: C31H39NO2
Mol.Wt.	: 457.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026005
CAS No	: 154825-96-4
Mol.F.	: C33H41NO4
Mol.Wt.	: 515.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026006
CAS No	: 115-46-8
Mol.F.	: C18H21NO
Mol.Wt.	: 267.4
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026007
CAS No	: 185066-33-5
Mol.F.	: C31H37NO4
Mol.Wt.	: 487.6
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026008
CAS No	: 1187954-57-9
Mol.F.	: C32H37NO3
Mol.Wt.	: 483.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026020
CAS No	: 154477-54-0
Mol.F.	: C15H19ClO3
Mol.Wt.	: 282.8
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026021
CAS No	: 862777-10-4
Mol.F.	: C35H45NO4
Mol.Wt.	: 543.8
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026022
CAS No	: 162096-54-0
Mol.F.	: C14H16O3
Mol.Wt.	: 232.3
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026023
CAS No	: 1187954-56-8
Mol.F.	: C33H41NO4
Mol.Wt.	: 515.7
Inv. Status	: Limited Stock

SZ CAT No:	: SZ-F026024
CAS No	: 174483-06-8
Mol.F.	: C34H43NO4
Mol.Wt.	: 529.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026025
CAS No	: NA
Mol.F.	: C34H43NO4
Mol.Wt.	: 529.7
Inv. Status	: Out of Stock

SZ CAT No:	: SZ-F026026
CAS No	: 832088-68-3
Mol.F.	: C32H35NO3
Mol.Wt.	: 481.6
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026027
CAS No	: NA
Mol.F.	: C32H37NO3
Mol.Wt.	: 483.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026028
CAS No	: 880088-78-8
Mol.F.	: C15H18O3
Mol.Wt.	: 246.3
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026029
CAS No	: 1422515-52-3
Mol.F.	: C32H39NO5
Mol.Wt.	: 517.7
Inv. Status	: In Stock

SZ CAT No:	: SZ-F026030
CAS No	: 169032-11-5
Mol.F.	: C16H21ClO3
Mol.Wt.	: 296.8
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026031
CAS No	: NA
Mol.F.	: C14H18O2
Mol.Wt.	: 218.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026033
CAS No	: 192885-13-5
Mol.F.	: C14H19ClO3
Mol.Wt.	: 270.8
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026034
CAS No	: 169280-26-6
Mol.F.	: C14H18O2
Mol.Wt.	: 218.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026035
CAS No	: 6952-91-6
Mol.F.	: C13H16O
Mol.Wt.	: 188.3
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026036
CAS No	: 57625-74-8
Mol.F.	: C11H14O2
Mol.Wt.	: 178.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026037
CAS No	: 88783-30-6
Mol.F.	: C18H21NO
Mol.Wt.	: 267.4
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026038
CAS No	: 498-95-3
Mol.F.	: C6H11NO2
Mol.Wt.	: 129.2
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026039
CAS No	: NA
Mol.F.	: C33H39NO4
Mol.Wt.	: 513.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026040
CAS No	: NA
Mol.F.	: C32H39NO4
Mol.Wt.	: 501.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026041
CAS No	: 154477-55-1
Mol.F.	: C33H39NO4
Mol.Wt.	: 513.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026D01
CAS No	: 548783-71-7
Mol.F.	: C32H33D6NO4
Mol.Wt.	: 507.7
Inv. Status	: Custom Synthesis

SZ CAT No:	: SZ-F026D02
CAS No	: 1795031-46-7
Mol.F.	: C33H31D6NO3
Mol.Wt.	: 501.7
Inv. Status	: Custom Synthesis