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Pharmaceutical Reference Standards

Methylparaben

Picture of Methylparaben
CAT No: SZ-P054001
CAS No: 99-76-3
Mol.F. : C8H8O3
Mol.Wt. : 152.1
Inv. Status: In Stock
SZ-P054001
CAS No:99-76-3
Mol.F.: C8H8O3 
Mol.Wt.: 152.1
Inv. Status: In Stock

Butylparaben Impurity E

Picture of Butylparaben Impurity E
CAT No: SZ-P054002
CAS No: 4247-02-3
Mol.F. : C11H14O
Mol.Wt. : 194.2
Inv. Status: In Stock
SZ-P054002
CAS No:4247-02-3
Mol.F.: C11H14O 
Mol.Wt.: 194.2
Inv. Status: In Stock

Propylparaben

Picture of Propylparaben
CAT No: SZ-P054003
CAS No: 94-13-3
Mol.F. : C10H12O3
Mol.Wt. : 180.2
Inv. Status: In Stock
SZ-P054003
CAS No:94-13-3
Mol.F.: C10H12O3
Mol.Wt.: 180.2
Inv. Status: In Stock

Heptyl Parahydroxybenzoate

Picture of Heptyl Parahydroxybenzoate
CAT No: SZ-P054004
CAS No: 1085-12-7
Mol.F. : C14H20O3
Mol.Wt. : 236.3
Inv. Status: Custom Synthesis
SZ-P054004
CAS No:1085-12-7
Mol.F.: C14H20O3 
Mol.Wt.: 236.3
Inv. Status: Custom Synthesis

Benzyl Paraben

Picture of Benzyl Paraben
CAT No: SZ-P054005
CAS No: 94-18-8
Mol.F. : C14H12O3
Mol.Wt. : 228.3
Inv. Status: Custom Synthesis
SZ-P054005
CAS No:94-18-8
Mol.F.: C14H12O3
Mol.Wt.: 228.3
Inv. Status: Custom Synthesis

Pentyl Paraben

Picture of Pentyl Paraben
CAT No: SZ-P054006
CAS No: 6521-29-5
Mol.F. : C12H16O3
Mol.Wt. : 208.3
Inv. Status: Custom Synthesis
SZ-P054006
CAS No:6521-29-5
Mol.F.: C12H16O3 
Mol.Wt.: 208.3
Inv. Status: Custom Synthesis

Phenyl 4-Hydroxybenzoate

Picture of Phenyl 4-Hydroxybenzoate
CAT No: SZ-P054007
CAS No: 17696-62-7
Mol.F. : C13H10O3
Mol.Wt. : 214.2
Inv. Status: Custom Synthesis
SZ-P054007
CAS No:17696-62-7
Mol.F.: C13H10O3 
Mol.Wt.: 214.2
Inv. Status: Custom Synthesis

Isopropyl 4-hydroxybenzoate

Picture of Isopropyl 4-hydroxybenzoate
CAT No: SZ-P054008
CAS No: 4191-73-5
Mol.F. : C10H12O3
Mol.Wt. : 180.2
Inv. Status: Custom Synthesis
SZ-P054008
CAS No:4191-73-5
Mol.F.: C10H12O3 
Mol.Wt.: 180.2
Inv. Status: Custom Synthesis

Ethylparaben Sodium Salt

Picture of Ethylparaben Sodium Salt
CAT No: SZ-P054009
CAS No: 35285-68-8
Mol.F. : C9H10O3 : Na
Mol.Wt. : 166.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 120-47-8 (free base)
SZ-P054009
CAS No:35285-68-8
Mol.F.: C9H10O3 : Na
Mol.Wt.: 166.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 120-47-8 (free base)

Butylparaben 

Picture of Butylparaben 
CAT No: SZ-P054010
CAS No: 94-26-8
Mol.F. : C11H14O3
Mol.Wt. : 194.2
Inv. Status: In Stock
SZ-P054010
CAS No:94-26-8
Mol.F.: C11H14O3 
Mol.Wt.: 194.2
Inv. Status: In Stock

paraben Impurity 1

Picture of paraben Impurity 1
CAT No: SZ-P054011
CAS No: 334948-52-6
Mol.F. : C13H18O8
Mol.Wt. : 302.3
Inv. Status: Custom Synthesis
SZ-P054011
CAS No:334948-52-6
Mol.F.: C13H18O8
Mol.Wt.: 302.3
Inv. Status: Custom Synthesis

paraben Impurity 2

Picture of paraben Impurity 2
CAT No: SZ-P054012
CAS No: NA
Mol.F. : C13H18O8
Mol.Wt. : 302.3
Inv. Status: Custom Synthesis
SZ-P054012
CAS No:NA
Mol.F.: C13H18O8
Mol.Wt.: 302.3
Inv. Status: Custom Synthesis

paraben Impurity 3

Picture of paraben Impurity 3
CAT No: SZ-P054013
CAS No: NA
Mol.F. : C13H18O8
Mol.Wt. : 302.3
Inv. Status: Custom Synthesis
SZ-P054013
CAS No:NA
Mol.F.: C13H18O8
Mol.Wt.: 302.3
Inv. Status: Custom Synthesis

Methylparaben Sodium

Picture of Methylparaben Sodium
CAT No: SZ-P054014
CAS No: 5026-62-0
Mol.F. : C8H8O3 : Na
Mol.Wt. : 152.1 : 23.0
Inv. Status: In Stock
Rel. CAS No : 99-76-3 (free base)
SZ-P054014
CAS No:5026-62-0
Mol.F.: C8H8O3 : Na 
Mol.Wt.: 152.1 : 23.0
Inv. Status: In Stock
Rel. CAS No : 99-76-3 (free base)

Propylparaben Sodium

Picture of Propylparaben Sodium
CAT No: SZ-P054015
CAS No: 35285-69-9
Mol.F. : C10H12O3 : Na
Mol.Wt. : 180.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 94-13-3 (free base)
SZ-P054015
CAS No:35285-69-9
Mol.F.: C10H12O3 : Na
Mol.Wt.: 180.2 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 94-13-3 (free base)