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paraben Related Products


SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of paraben, pharmacopeial and non-pharmacopeial paraben impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). paraben impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

paraben-related products are thoroughly characterized. paraben products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Butylparaben Impurity E

Picture of Butylparaben Impurity E
SZ CAT No:: SZ-P054002
CAS No: 4247-02-3
Mol.F.: C11H14O 
Mol.Wt.: 194.2
Inv. Status: In Stock
Rel. CAS No: 84930-15-4 (Na salt) ; 32314-53-7 (K salt)

Butylparaben 

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

Methylparaben

Picture of Methylparaben
SZ CAT No:: SZ-P054001
CAS No: 99-76-3
Mol.F.: C8H8O3 
Mol.Wt.: 152.1
Inv. Status: In Stock
Rel. CAS No: 172800-11-2 (hydrate) ; 5026-62-0 (Na salt
Rel. CAT No: SZ-P054014 ,

Methylparaben Sodium

Picture of Methylparaben Sodium
SZ 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)
Rel. CAT No: SZ-P054001 ,

Propylparaben

Picture of Propylparaben
SZ CAT No:: SZ-P054003
CAS No: 94-13-3
Mol.F.: C10H12O3
Mol.Wt.: 180.2
Inv. Status: In Stock
Rel. CAT No: SZ-P054015 ,

6-(4-hydroxybenzoate)-D-Glucitol

Picture of 6-(4-hydroxybenzoate)-D-Glucitol
SZ CAT No:: SZ-P054011
CAS No: 334948-52-6
Mol.F.: C13H18O8
Mol.Wt.: 302.3
Inv. Status: Custom Synthesis

Benzyl Paraben

Picture of Benzyl Paraben
SZ CAT No:: SZ-P054005
CAS No: 94-18-8
Mol.F.: C14H12O3
Mol.Wt.: 228.3
Inv. Status: Custom Synthesis
Rel. CAS No: 5693-29-8 (Na salt) ; 221615-92-5 (K salt)

Ethylparaben Sodium Salt

Picture of Ethylparaben Sodium Salt
SZ 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)

Heptyl Parahydroxybenzoate

Picture of Heptyl Parahydroxybenzoate
SZ CAT No:: SZ-P054004
CAS No: 1085-12-7
Mol.F.: C14H20O3 
Mol.Wt.: 236.3
Inv. Status: Custom Synthesis
Rel. CAS No: 7339-88-0 (Na salt) ; 7339-89-1 (K salt)

Isopropyl 4-hydroxybenzoate

Picture of Isopropyl 4-hydroxybenzoate
SZ CAT No:: SZ-P054008
CAS No: 4191-73-5
Mol.F.: C10H12O3 
Mol.Wt.: 180.2
Inv. Status: Custom Synthesis
Rel. CAS No: 1062573-16-3 (Na salt) ; 1062573-18-5 (K salt)

paraben Impurity 2

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

paraben Impurity 3

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

Pentyl Paraben

Picture of Pentyl Paraben
SZ CAT No:: SZ-P054006
CAS No: 6521-29-5
Mol.F.: C12H16O3 
Mol.Wt.: 208.3
Inv. Status: Custom Synthesis
Rel. CAS No: 130674-13-4 (Na salt)

Phenyl 4-Hydroxybenzoate

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

Propylparaben Sodium

Picture of Propylparaben Sodium
SZ 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)
Rel. CAT No: SZ-P054003 ,
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