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  • Piperacillin

Piperacillin Related Products

SynZeal is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Piperacillin, pharmacopeial and non-pharmacopeial Piperacillin impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Piperacillin 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.

Piperacillin-related products are thoroughly characterized. Piperacillin 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

Piperacillin Monohydrate

Picture of Piperacillin Monohydrate
CAT No: SZ-P048001
CAS No: 66258-76-2
Mol.F. : C23H27N5O7S : H2O
Mol.Wt. : 517.6 : 18.0
Inv. Status: In Stock
Rel. CAS No : 61477-96-1 (free base) ; 59703-84-3 (Na salt) ; 87366-94-7 (K salt)
SZ-P048001
CAS No:66258-76-2
Mol.F.: C23H27N5O7S : H2O
Mol.Wt.: 517.6 : 18.0
Inv. Status: In Stock
Rel. CAS No : 61477-96-1 (free base) ; 59703-84-3 (Na salt) ; 87366-94-7 (K salt)

Piperacillin EP Impurity A

Picture of Piperacillin EP Impurity A
CAT No: SZ-P048002
CAS No: 69-53-4
Mol.F. : C16H19N3O4S
Mol.Wt. : 349.4
Inv. Status: Custom Synthesis
Rel. CAS No : 69-52-3 (Na salt) ; 23277-71-6 (K salt) ; 52732-58-8 (Sulfate salt)
Rel. CAT No : SZ-S055006,
SZ-P048002
CAS No:69-53-4
Mol.F.: C16H19N3O4S
Mol.Wt.: 349.4
Inv. Status: Custom Synthesis
Rel. CAS No : 69-52-3 (Na salt) ; 23277-71-6 (K salt) ; 52732-58-8 (Sulfate salt)

Piperacillin EP Impurity B

Picture of Piperacillin EP Impurity B
CAT No: SZ-P048003
CAS No: 2649505-14-4
Mol.F. : C23H29N5O8S
Mol.Wt. : 535.6
Inv. Status: In Stock
SZ-P048003
CAS No:2649505-14-4
Mol.F.: C23H29N5O8S
Mol.Wt.: 535.6
Inv. Status: In Stock

Piperacillin EP Impurity C

Picture of Piperacillin EP Impurity C
CAT No: SZ-P048004
CAS No: 2649505-15-5
Mol.F. : C22H29N5O6S
Mol.Wt. : 491.6
Inv. Status: In Stock
SZ-P048004
CAS No:2649505-15-5
Mol.F.: C22H29N5O6S
Mol.Wt.: 491.6
Inv. Status: In Stock

Piperacillin EP Impurity D

Picture of Piperacillin EP Impurity D
CAT No: SZ-P048005
CAS No: 65772-67-0
Mol.F. : C39H44N8O10S2
Mol.Wt. : 848.9
Inv. Status: In Stock
SZ-P048005
CAS No:65772-67-0
Mol.F.: C39H44N8O10S2
Mol.Wt.: 848.9
Inv. Status: In Stock

Piperacillin EP Impurity E

Picture of Piperacillin EP Impurity E
CAT No: SZ-P048006
CAS No: 59702-31-7
Mol.F. : C6H10N2O2
Mol.Wt. : 142.2
Inv. Status: In Stock
Rel. CAS No : 1913252-86-4 (Na salt)
SZ-P048006
CAS No:59702-31-7
Mol.F.: C6H10N2O2
Mol.Wt.: 142.2
Inv. Status: In Stock
Rel. CAS No : 1913252-86-4 (Na salt)

Piperacillin EP Impurity F

Picture of Piperacillin EP Impurity F
CAT No: SZ-P048007
CAS No: NA
Mol.F. : C25H31N5O9S
Mol.Wt. : 577.6
Inv. Status: In Stock
SZ-P048007
CAS No:NA
Mol.F.: C25H31N5O9S
Mol.Wt.: 577.6
Inv. Status: In Stock

Piperacillin EP Impurity T

Picture of Piperacillin EP Impurity T
CAT No: SZ-P048008
CAS No: 2170771-53-4
Mol.F. : C46H54N10O14S2
Mol.Wt. : 1035.1
Inv. Status: In Stock
SZ-P048008
CAS No:2170771-53-4
Mol.F.: C46H54N10O14S2
Mol.Wt.: 1035.1
Inv. Status: In Stock

Piperacillin EP Impurity G

Picture of Piperacillin EP Impurity G
CAT No: SZ-P048009
CAS No: 63422-71-9
Mol.F. : C15H17N3O5
Mol.Wt. : 319.3
Inv. Status: In Stock
Rel. CAS No : 82778-04-9 (Na salt)
SZ-P048009
CAS No:63422-71-9
Mol.F.: C15H17N3O5 
Mol.Wt.: 319.3
Inv. Status: In Stock
Rel. CAS No : 82778-04-9 (Na salt)

Piperacillin EP Impurity H

Picture of Piperacillin EP Impurity H
CAT No: SZ-P048010
CAS No: 551-16-6
Mol.F. : C8H12N2O3S
Mol.Wt. : 216.3
Inv. Status: In Stock
Rel. CAS No : 1203-85-6 (Na salt) ; 13833-83-5 (K salt) ; 35195-89-2 (Ca salt) ; 57218-58-3 (HCl salt)
SZ-P048010
CAS No:551-16-6
Mol.F.: C8H12N2O3S 
Mol.Wt.: 216.3
Inv. Status: In Stock
Rel. CAS No : 1203-85-6 (Na salt) ; 13833-83-5 (K salt) ; 35195-89-2 (Ca salt) ; 57218-58-3 (HCl salt)

Piperacillin Impurity J

Picture of Piperacillin Impurity J
CAT No: SZ-P048012
CAS No: NA
Mol.F. : C23H27N509S
Mol.Wt. : 549.6
Inv. Status: Limited Stock
SZ-P048012
CAS No:NA
Mol.F.: C23H27N509S 
Mol.Wt.: 549.6
Inv. Status: Limited Stock

Piperacillin EP Impurity S

Picture of Piperacillin EP Impurity S
CAT No: SZ-P048013
CAS No: NA
Mol.F. : C31H37N7O9S2
Mol.Wt. : 715.8
Inv. Status: In Stock
SZ-P048013
CAS No:NA
Mol.F.: C31H37N7O9S2 
Mol.Wt.: 715.8
Inv. Status: In Stock

Piperacillin Sulfoxide

Picture of Piperacillin Sulfoxide
CAT No: SZ-P048014
CAS No: 67275-27-8
Mol.F. : C23H27N5O8S
Mol.Wt. : 533.6
Inv. Status: In Stock
SZ-P048014
CAS No:67275-27-8
Mol.F.: C23H27N5O8S 
Mol.Wt.: 533.6
Inv. Status: In Stock

Piperacillin EP Impurity N

Picture of Piperacillin EP Impurity N
CAT No: SZ-P048015
CAS No: NA
Mol.F. : C23H27N5O7S
Mol.Wt. : 517.6
Inv. Status: In Stock
SZ-P048015
CAS No:NA
Mol.F.: C23H27N5O7S 
Mol.Wt.: 517.6
Inv. Status: In Stock

Piperacillin Methyl Ester

Picture of Piperacillin Methyl Ester
CAT No: SZ-P048016
CAS No: 65700-41-6
Mol.F. : C24H29N5O7S
Mol.Wt. : 531.6
Inv. Status: In Stock
SZ-P048016
CAS No:65700-41-6
Mol.F.: C24H29N5O7S 
Mol.Wt.: 531.6
Inv. Status: In Stock

Piperacillin Impurity 1

Picture of Piperacillin Impurity 1
CAT No: SZ-P048017
CAS No: NA
Mol.F. : C17H17N3O5S
Mol.Wt. : 375.4
Inv. Status: Under Synthesis
Rel. CAT No : SZ-A026026,
SZ-P048017
CAS No:NA
Mol.F.: C17H17N3O5S 
Mol.Wt.: 375.4
Inv. Status: Under Synthesis

Piperacillin Open Ring Methyl Ester

Picture of Piperacillin Open Ring Methyl Ester
CAT No: SZ-P048018
CAS No: NA
Mol.F. : C24H31N5O8S
Mol.Wt. : 549.6
Inv. Status: In Stock
SZ-P048018
CAS No:NA
Mol.F.: C24H31N5O8S 
Mol.Wt.: 549.6
Inv. Status: In Stock

piperacillin Open Ring Dimer

Picture of piperacillin Open Ring Dimer
CAT No: SZ-P048019
CAS No: NA
Mol.F. : C46H56N10O15S2
Mol.Wt. : 1053.2
Inv. Status: Custom Synthesis
SZ-P048019
CAS No:NA
Mol.F.: C46H56N10O15S2 
Mol.Wt.: 1053.2
Inv. Status: Custom Synthesis

Piperacillin Impurity 4

Picture of Piperacillin Impurity 4
CAT No: SZ-P048020
CAS No: NA
Mol.F. : C41H48N8O10S2
Mol.Wt. : 877.0
Inv. Status: Custom Synthesis
SZ-P048020
CAS No:NA
Mol.F.: C41H48N8O10S2 
Mol.Wt.: 877.0
Inv. Status: Custom Synthesis

Piperacillin Impurity 6

Picture of Piperacillin Impurity 6
CAT No: SZ-P048022
CAS No: NA
Mol.F. : C23H29N5O8S
Mol.Wt. : 535.6
Inv. Status: In Stock
SZ-P048022
CAS No:NA
Mol.F.: C23H29N5O8S
Mol.Wt.: 535.6
Inv. Status: In Stock

Piperacillin EP Impurity P

Picture of Piperacillin EP Impurity P
CAT No: SZ-P048023
CAS No: NA
Mol.F. : C31H34N6O8S
Mol.Wt. : 650.7
Inv. Status: In Stock
SZ-P048023
CAS No:NA
Mol.F.: C31H34N6O8S 
Mol.Wt.: 650.7
Inv. Status: In Stock

Piperacillin EP Impurity R

Picture of Piperacillin EP Impurity R
CAT No: SZ-P048024
CAS No: NA
Mol.F. : C39H46N8O11S2
Mol.Wt. : 867.0
Inv. Status: In Stock
SZ-P048024
CAS No:NA
Mol.F.: C39H46N8O11S2 
Mol.Wt.: 867.0
Inv. Status: In Stock

Piperacillin EP Impurity J

Picture of Piperacillin EP Impurity J
CAT No: SZ-P048025
CAS No: 2170771-47-6
Mol.F. : C17H20N4O6
Mol.Wt. : 376.4
Inv. Status: In Stock
SZ-P048025
CAS No:2170771-47-6
Mol.F.: C17H20N4O6 
Mol.Wt.: 376.4
Inv. Status: In Stock

Piperacillin EP Impurity B (2Na salt)

Picture of Piperacillin EP Impurity B (2Na salt)
CAT No: SZ-P048026
CAS No: NA
Mol.F. : C23H29N5O8S : 2Na
Mol.Wt. : 535.6 : 2(23.0)
Inv. Status: Out of Stock
Rel. CAS No : 2649505-14-4 (free base)
SZ-P048026
CAS No:NA
Mol.F.: C23H29N5O8S : 2Na
Mol.Wt.: 535.6 : 2(23.0)
Inv. Status: Out of Stock
Rel. CAS No : 2649505-14-4 (free base)

Piperacillin EP Impurity M (2Na salt)

Picture of Piperacillin EP Impurity M (2Na salt)
CAT No: SZ-P048027
CAS No: NA
Mol.F. : C23H27N5O8S : 2(Na)
Mol.Wt. : 533.6 : 2(23.0)
Inv. Status: In Stock
Rel. CAS No : 64844-70-8 (free base)
SZ-P048027
CAS No:NA
Mol.F.: C23H27N5O8S : 2(Na)
Mol.Wt.: 533.6 : 2(23.0)
Inv. Status: In Stock
Rel. CAS No : 64844-70-8 (free base)

Piperacillin EP Impurity K

Picture of Piperacillin EP Impurity K
CAT No: SZ-P048028
CAS No: NA
Mol.F. : C23H27N5O7S
Mol.Wt. : 517.6
Inv. Status: Limited Stock
SZ-P048028
CAS No:NA
Mol.F.: C23H27N5O7S 
Mol.Wt.: 517.6
Inv. Status: Limited Stock

Piperacillin

Picture of Piperacillin
CAT No: SZ-P048032
CAS No: 61477-96-1
Mol.F. : C23H27N5O7S
Mol.Wt. : 517.6
Inv. Status: Custom Synthesis
Rel. CAS No : 66258-76-2 (hydrate) ; 59703-84-3 (Na salt) ; 87366-94-7 (K salt)
SZ-P048032
CAS No:61477-96-1
Mol.F.: C23H27N5O7S
Mol.Wt.: 517.6
Inv. Status: Custom Synthesis
Rel. CAS No : 66258-76-2 (hydrate) ; 59703-84-3 (Na salt) ; 87366-94-7 (K salt)

Piperacillin Sodium salt

Picture of Piperacillin Sodium salt
CAT No: SZ-P048033
CAS No: 59703-84-3
Mol.F. : C23H27N5O7S : Na
Mol.Wt. : 517.6 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 66258-76-2 (hydrate) ; 61477-96-1 (Anhydrous) ; 87366-94-7 (K salt)
SZ-P048033
CAS No:59703-84-3
Mol.F.: C23H27N5O7S : Na
Mol.Wt.: 517.6 : 23.0
Inv. Status: Custom Synthesis
Rel. CAS No : 66258-76-2 (hydrate) ; 61477-96-1 (Anhydrous) ; 87366-94-7 (K salt)

Piperacillin Potassium salt

Picture of Piperacillin Potassium salt
CAT No: SZ-P048034
CAS No: 87366-94-7
Mol.F. : C23H27N5O7S : K
Mol.Wt. : 517.6 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 66258-76-2 (hydrate) ; 59703-84-3 (Na salt) ; 61477-96-1 (Anhydrous)
SZ-P048034
CAS No:87366-94-7
Mol.F.: C23H27N5O7S : K
Mol.Wt.: 517.6 : 39.1
Inv. Status: Custom Synthesis
Rel. CAS No : 66258-76-2 (hydrate) ; 59703-84-3 (Na salt) ; 61477-96-1 (Anhydrous)

Piperacillin EP Impurity I

Picture of Piperacillin EP Impurity I
CAT No: SZ-P048044
CAS No: 13833-89-1
Mol.F. : C6H11NO3S
Mol.Wt. : 177.2
Inv. Status: In Stock
Rel. CAS No : 67318-68-7 (K salt)
Rel. CAT No : SZ-P044012,
SZ-P048044
CAS No:13833-89-1
Mol.F.: C6H11NO3S
Mol.Wt.: 177.2
Inv. Status: In Stock
Rel. CAS No : 67318-68-7 (K salt)

Piperacillin Impurity 7

Picture of Piperacillin Impurity 7
CAT No: SZ-P048046
CAS No: 64817-22-7
Mol.F. : C23H29N5O8S
Mol.Wt. : 535.6
Inv. Status: In Stock
SZ-P048046
CAS No:64817-22-7
Mol.F.: C23H29N5O8S
Mol.Wt.: 535.6
Inv. Status: In Stock

Piperacillin Penicilloic Acid Isomer

Picture of Piperacillin Penicilloic Acid Isomer
CAT No: SZ-P048048
CAS No: 1449784-97-7
Mol.F. : C23H29N5O8S
Mol.Wt. : 535.6
Inv. Status: Custom Synthesis
SZ-P048048
CAS No:1449784-97-7
Mol.F.: C23H29N5O8S
Mol.Wt.: 535.6
Inv. Status: Custom Synthesis

Piperacillin Impurity 9

Picture of Piperacillin Impurity 9
CAT No: SZ-P048049
CAS No: NA
Mol.F. : C23H29N5O8S
Mol.Wt. : 535.6
Inv. Status: Custom Synthesis
SZ-P048049
CAS No:NA
Mol.F.: C23H29N5O8S
Mol.Wt.: 535.6
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso piperacilin Impurity-1

Picture of N-Nitroso piperacilin Impurity-1
CAT No: SZ-P048030
CAS No: NA
Mol.F. : C23H28N6O9S
Mol.Wt. : 564.6
Inv. Status: In Stock
SZ-P048030
CAS No:NA
Mol.F.: C23H28N6O9S
Mol.Wt.: 564.6
Inv. Status: In Stock

N-Nitroso piperacilin Impurity-2

Picture of N-Nitroso piperacilin Impurity-2
CAT No: SZ-P048031
CAS No: NA
Mol.F. : C22H28N6O7S
Mol.Wt. : 520.6
Inv. Status: Limited Stock
SZ-P048031
CAS No:NA
Mol.F.: C22H28N6O7S
Mol.Wt.: 520.6
Inv. Status: Limited Stock