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Pharmaceutical Reference Standards

Levetiracetam

Picture of Levetiracetam
CAT No: SZ-L001001
CAS No: 102767-28-2
Mol.F. : C8H14N2O2
Mol.Wt. : 170.2
Inv. Status: In Stock
SZ-L001001
CAS No:102767-28-2
Mol.F.: C8H14N2O2
Mol.Wt.: 170.2
Inv. Status: In Stock

Levetiracetam EP Impurity A

Picture of Levetiracetam EP Impurity A
CAT No: SZ-L001002
CAS No: 67118-31-4
Mol.F. : C8H13NO3
Mol.Wt. : 171.2
Inv. Status: In Stock
SZ-L001002
CAS No:67118-31-4
Mol.F.: C8H13NO3
Mol.Wt.: 171.2
Inv. Status: In Stock

Levetiracetam EP Impurity B

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CAT No: SZ-L001003
CAS No: 358629-47-7
Mol.F. : C8H12N2O2
Mol.Wt. : 168.2
Inv. Status: In Stock
SZ-L001003
CAS No:358629-47-7
Mol.F.: C8H12N2O2
Mol.Wt.: 168.2
Inv. Status: In Stock

Levetiracetam EP Impurity C

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CAT No: SZ-L001004
CAS No: 142-08-5
Mol.F. : C5H5NO
Mol.Wt. : 95.1
Inv. Status: In Stock
SZ-L001004
CAS No:142-08-5
Mol.F.: C5H5NO
Mol.Wt.: 95.1
Inv. Status: In Stock

Levetiracetam EP Impurity D

Picture of Levetiracetam EP Impurity D
CAT No: SZ-L001005
CAS No: 103765-01-1
Mol.F. : C8H14N2O2
Mol.Wt. : 170.2
Inv. Status: In Stock
SZ-L001005
CAS No:103765-01-1
Mol.F.: C8H14N2O2
Mol.Wt.: 170.2
Inv. Status: In Stock

Levetiracetam Racemic Mixture

Picture of Levetiracetam Racemic Mixture
CAT No: SZ-L001006
CAS No: 33996-58-6
Mol.F. : C8H14N2O2
Mol.Wt. : 170.2
Inv. Status: In Stock
SZ-L001006
CAS No:33996-58-6
Mol.F.: C8H14N2O2
Mol.Wt.: 170.2
Inv. Status: In Stock

Levetiracetam USP Related Compound A

Picture of Levetiracetam USP Related Compound A
CAT No: SZ-L001007
CAS No: 102767-31-7
Mol.F. : C8H15ClN2O2
Mol.Wt. : 206.7
Inv. Status: In Stock
SZ-L001007
CAS No:102767-31-7
Mol.F.: C8H15ClN2O2
Mol.Wt.: 206.7
Inv. Status: In Stock

Levetiracetam EP Impurity G

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CAT No: SZ-L001008
CAS No: 7682-20-4
Mol.F. : C4H10N2O : HCl
Mol.Wt. : 102.1 : 36.5
Inv. Status: In Stock
Rel. CAS No : 7324-11-0 (free base)
SZ-L001008
CAS No:7682-20-4
Mol.F.: C4H10N2O : HCl
Mol.Wt.: 102.1 : 36.5
Inv. Status: In Stock
Rel. CAS No : 7324-11-0 (free base)

Levetiracetam S-Carboxylic Acid

Picture of Levetiracetam S-Carboxylic Acid
CAT No: SZ-L001009
CAS No: 102849-49-0
Mol.F. : C8H13NO3
Mol.Wt. : 171.2
Inv. Status: In Stock
SZ-L001009
CAS No:102849-49-0
Mol.F.: C8H13NO3
Mol.Wt.: 171.2
Inv. Status: In Stock

Levetiracetam Dehydro Acid

Picture of Levetiracetam Dehydro Acid
CAT No: SZ-L001010
CAS No: 358629-39-7
Mol.F. : C8H11NO3
Mol.Wt. : 169.2
Inv. Status: Custom Synthesis
SZ-L001010
CAS No:358629-39-7
Mol.F.: C8H11NO3
Mol.Wt.: 169.2
Inv. Status: Custom Synthesis

L-2-Aminobutyric acid

Picture of L-2-Aminobutyric acid
CAT No: SZ-L001011
CAS No: 1492-24-6
Mol.F. : C4H9NO2
Mol.Wt. : 103.1
Inv. Status: In Stock
SZ-L001011
CAS No:1492-24-6
Mol.F.: C4H9NO2
Mol.Wt.: 103.1
Inv. Status: In Stock

Levetiracetam EP Impurity E

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CAT No: SZ-L001012
CAS No: 3886-69-9
Mol.F. : C8H11N
Mol.Wt. : 121.2
Inv. Status: In Stock
SZ-L001012
CAS No:3886-69-9
Mol.F.: C8H11N
Mol.Wt.: 121.2
Inv. Status: In Stock

Levetiracetam Impurity 2

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CAT No: SZ-L001013
CAS No: 4635-59-0
Mol.F. : C4H6Cl2O
Mol.Wt. : 141.0
Inv. Status: Out of Stock
SZ-L001013
CAS No:4635-59-0
Mol.F.: C4H6Cl2O
Mol.Wt.: 141.0
Inv. Status: Out of Stock

Levetiracetam Impurity 3

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CAT No: SZ-L001014
CAS No: 616-45-5
Mol.F. : C4H7NO
Mol.Wt. : 85.1
Inv. Status: In Stock
SZ-L001014
CAS No:616-45-5
Mol.F.: C4H7NO
Mol.Wt.: 85.1
Inv. Status: In Stock

Levetiracetam R-Carboxylic Acid

Picture of Levetiracetam R-Carboxylic Acid
CAT No: SZ-L001015
CAS No: 103833-72-3
Mol.F. : C8H13NO3
Mol.Wt. : 171.2
Inv. Status: In Stock
SZ-L001015
CAS No:103833-72-3
Mol.F.: C8H13NO3
Mol.Wt.: 171.2
Inv. Status: In Stock

L-Threonine Amide Hydrochloride

Picture of L-Threonine Amide Hydrochloride
CAT No: SZ-L001016
CAS No: 33209-01-7
Mol.F. : C4H10N2O2 : HCl
Mol.Wt. : 118.1 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 49705-99-9 (free base)
SZ-L001016
CAS No:33209-01-7
Mol.F.: C4H10N2O2 : HCl
Mol.Wt.: 118.1 : 36.5
Inv. Status: Custom Synthesis
Rel. CAS No : 49705-99-9 (free base)

4-Chloro-3-Oxobutanoic Acid

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CAT No: SZ-L001017
CAS No: 27807-84-7
Mol.F. : C4H5ClO3
Mol.Wt. : 136.5
Inv. Status: Custom Synthesis
SZ-L001017
CAS No:27807-84-7
Mol.F.: C4H5ClO3
Mol.Wt.: 136.5
Inv. Status: Custom Synthesis

Levetiracetam Impurity 4

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CAT No: SZ-L001018
CAS No: NA
Mol.F. : C11H17NO5
Mol.Wt. : 243.3
Inv. Status: Custom Synthesis
SZ-L001018
CAS No:NA
Mol.F.: C11H17NO5
Mol.Wt.: 243.3
Inv. Status: Custom Synthesis

Levetiracetam Symmetric Anhydride 

Picture of Levetiracetam Symmetric Anhydride 
CAT No: SZ-L001019
CAS No: NA
Mol.F. : C16H24N2O5
Mol.Wt. : 324.4
Inv. Status: Custom Synthesis
SZ-L001019
CAS No:NA
Mol.F.: C16H24N2O5
Mol.Wt.: 324.4
Inv. Status: Custom Synthesis

levetiracetam Ethyl Ester

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CAT No: SZ-L001020
CAS No: 86815-10-3
Mol.F. : C10H17NO3
Mol.Wt. : 199.3
Inv. Status: Custom Synthesis
SZ-L001020
CAS No:86815-10-3
Mol.F.: C10H17NO3
Mol.Wt.: 199.3
Inv. Status: Custom Synthesis

Levetiracetam Impurity 5

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CAT No: SZ-L001021
CAS No: 1113-58-2
Mol.F. : C4H9NO2
Mol.Wt. : 103.1
Inv. Status: Custom Synthesis
SZ-L001021
CAS No:1113-58-2
Mol.F.: C4H9NO2
Mol.Wt.: 103.1
Inv. Status: Custom Synthesis

Levetiracetam Impurity 6

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CAT No: SZ-L001024
CAS No: 1868118-63-1
Mol.F. : C8H16N2O3
Mol.Wt. : 188.2
Inv. Status: In Stock
SZ-L001024
CAS No:1868118-63-1
Mol.F.: C8H16N2O3
Mol.Wt.: 188.2
Inv. Status: In Stock

Stable Isotopes And Metabolites

Levetiracetam D3

Picture of Levetiracetam D3
CAT No: SZ-L001D01
CAS No: 1217851-16-5
Mol.F. : C8H11D3N2O2
Mol.Wt. : 173.2
Inv. Status: Custom Synthesis
SZ-L001D01
CAS No:1217851-16-5
Mol.F.: C8H11D3N2O2
Mol.Wt.: 173.2
Inv. Status: Custom Synthesis

Levetiracetam D6

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CAT No: SZ-L001D02
CAS No: 1133229-30-7
Mol.F. : C8H8D6N2O2
Mol.Wt. : 176.3
Inv. Status: Custom Synthesis
SZ-L001D02
CAS No:1133229-30-7
Mol.F.: C8H8D6N2O2
Mol.Wt.: 176.3
Inv. Status: Custom Synthesis

Possible Nitroso Standards

N-Nitroso Levetiracetam Impurity

Picture of N-Nitroso Levetiracetam Impurity
CAT No: SZ-L001023
CAS No: NA
Mol.F. : C8H15N3O4
Mol.Wt. : 217.2
Inv. Status: Under Synthesis
SZ-L001023
CAS No:NA
Mol.F.: C8H15N3O4
Mol.Wt.: 217.2
Inv. Status: Under Synthesis