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Leucine Related Products


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

Leucine-related products are thoroughly characterized. Leucine 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

DL-Leucine

Picture of DL-Leucine
SZ CAT No:: SZ-L091034
CAS No: 328-39-2
Mol.F.: C6H13NO2
Mol.Wt.: 131.2
Inv. Status: In Stock

Leucine EP Impurity C

Picture of Leucine EP Impurity C
SZ CAT No:: SZ-L091004
CAS No: 63-91-2
Mol.F.: C9H11NO2
Mol.Wt.: 165.2
Inv. Status: In Stock
Rel. CAT No: SZ-L084003 ; SZ-N005004 ; SZ-P095001 ,

Leucine Impurity 6

Picture of Leucine Impurity 6
SZ CAT No:: SZ-L091013
CAS No: 22146-59-4
Mol.F.: C8H15NO3
Mol.Wt.: 173.2
Inv. Status: In Stock

L-tert-Leucine

Picture of L-tert-Leucine
SZ CAT No:: SZ-L091012
CAS No: 20859-02-3
Mol.F.: C6H13NO2
Mol.Wt.: 131.2
Inv. Status: In Stock

[Leu5]-Enkephalin

Picture of [Leu5]-Enkephalin
SZ CAT No:: SZ-L091019
CAS No: 58822-25-6
Mol.F.: C28H37N5O7
Mol.Wt.: 555.6
Inv. Status: Custom Synthesis

D-Proline-N-Fmoc

Picture of D-Proline-N-Fmoc
SZ CAT No:: SZ-L091010
CAS No: 101555-62-8
Mol.F.: C20H19NO4
Mol.Wt.: 337.4
Inv. Status: Custom Synthesis

Fmoc-Ala-OH

Picture of Fmoc-Ala-OH
SZ CAT No:: SZ-L091008
CAS No: 35661-39-3
Mol.F.: C18H17NO4
Mol.Wt.: 311.3
Inv. Status: Custom Synthesis

Fmoc-Ala-OMe

Picture of Fmoc-Ala-OMe
SZ CAT No:: SZ-L091014
CAS No: 146346-88-5
Mol.F.: C19H19NO4
Mol.Wt.: 325.4
Inv. Status: Custom Synthesis

Fmoc-alphamethyl Leucine

Picture of Fmoc-alphamethyl Leucine
SZ CAT No:: SZ-L091023
CAS No: 312624-65-0
Mol.F.: C22H25NO4
Mol.Wt.: 367.4
Inv. Status: Custom Synthesis

Fmoc-Asn(Trt)-OH

Picture of Fmoc-Asn(Trt)-OH
SZ CAT No:: SZ-L091032
CAS No: 132388-59-1
Mol.F.: C38H32N2O5
Mol.Wt.: 596.7
Inv. Status: Custom Synthesis

Fmoc-Asp(OtBu)-OH

Picture of Fmoc-Asp(OtBu)-OH
SZ CAT No:: SZ-L091031
CAS No: 71989-14-5
Mol.F.: C23H25NO6
Mol.Wt.: 411.5
Inv. Status: Custom Synthesis

Fmoc-Beta-Ala-Ile-OH

Picture of Fmoc-Beta-Ala-Ile-OH
SZ CAT No:: SZ-L091020
CAS No: 2171270-66-7
Mol.F.: C24H28N2O5
Mol.Wt.: 424.5
Inv. Status: Custom Synthesis

Fmoc-Beta-Ala-Val-OH

Picture of Fmoc-Beta-Ala-Val-OH
SZ CAT No:: SZ-L091021
CAS No: 2171152-91-1
Mol.F.: C23H26N2O5
Mol.Wt.: 410.5
Inv. Status: Custom Synthesis

Fmoc-D-Arg(Pbf)-OH 

Picture of Fmoc-D-Arg(Pbf)-OH 
SZ CAT No:: SZ-L091024
CAS No: 187618-60-6
Mol.F.: C34H40N4O7S
Mol.Wt.: 648.8
Inv. Status: Custom Synthesis

Fmoc-D-Ser(tBu)-OH

Picture of Fmoc-D-Ser(tBu)-OH
SZ CAT No:: SZ-L091011
CAS No: 128107-47-1
Mol.F.: C22H25NO5
Mol.Wt.: 383.4
Inv. Status: Custom Synthesis

Fmoc-D-Tic-OH

Picture of Fmoc-D-Tic-OH
SZ CAT No:: SZ-L091026
CAS No: 130309-33-0
Mol.F.: C25H21NO4
Mol.Wt.: 399.4
Inv. Status: Custom Synthesis

Fmoc-Glu(OtBu)-OH

Picture of Fmoc-Glu(OtBu)-OH
SZ CAT No:: SZ-L091030
CAS No: 71989-18-9
Mol.F.: C24H27NO6
Mol.Wt.: 425.5
Inv. Status: Custom Synthesis

Fmoc-His(Trt)-OH

Picture of Fmoc-His(Trt)-OH
SZ CAT No:: SZ-L091029
CAS No: 109425-51-6
Mol.F.: C40H33N3O4
Mol.Wt.: 619.7
Inv. Status: Custom Synthesis

Fmoc-Ile-Ile-OH

Picture of Fmoc-Ile-Ile-OH
SZ CAT No:: SZ-L091022
CAS No: 2171279-24-4
Mol.F.: C27H34N2O5
Mol.Wt.: 466.6
Inv. Status: Custom Synthesis

Fmoc-Leu-OH

Picture of Fmoc-Leu-OH
SZ CAT No:: SZ-L091033
CAS No: 35661-60-0
Mol.F.: C21H23NO4
Mol.Wt.: 353.4
Inv. Status: Custom Synthesis

Fmoc-Met-OH

Picture of Fmoc-Met-OH
SZ CAT No:: SZ-L091028
CAS No: 71989-28-1
Mol.F.: C20H21NO4S
Mol.Wt.: 371.5
Inv. Status: Custom Synthesis

Fmoc-Thi-OH

Picture of Fmoc-Thi-OH
SZ CAT No:: SZ-L091025
CAS No: 130309-35-2
Mol.F.: C22H19NO4S
Mol.Wt.: 393.5
Inv. Status: Custom Synthesis

Fmoc-Val-OH

Picture of Fmoc-Val-OH
SZ CAT No:: SZ-L091027
CAS No: 68858-20-8
Mol.F.: C20H21NO4
Mol.Wt.: 339.4
Inv. Status: Custom Synthesis

Fmoc-β-Ala-OH

Picture of Fmoc-β-Ala-OH
SZ CAT No:: SZ-L091007
CAS No: 35737-10-1
Mol.F.: C18H17NO4
Mol.Wt.: 311.3
Inv. Status: Custom Synthesis

Leucine

Picture of Leucine
SZ CAT No:: SZ-L091001
CAS No: 61-90-5
Mol.F.: C6H13NO2
Mol.Wt.: 131.2
Inv. Status: Custom Synthesis
Rel. CAT No: SZ-L084002 ; SZ-P095002 ,

Leucine EP Impurity A

Picture of Leucine EP Impurity A
SZ CAT No:: SZ-L091002
CAS No: 73-32-5
Mol.F.: C6H13NO2
Mol.Wt.: 131.2
Inv. Status: Custom Synthesis
Rel. CAT No: SZ-V001043 ,

Leucine EP Impurity B

Picture of Leucine EP Impurity B
SZ CAT No:: SZ-L091003
CAS No: 63-68-3
Mol.F.: C5H11NO2S
Mol.Wt.: 149.2
Inv. Status: Custom Synthesis
Rel. CAT No: SZ-M059001 ; SZ-P095003 ,

Leucine EP Impurity D

Picture of Leucine EP Impurity D
SZ CAT No:: SZ-L091005
CAS No: 31872-98-7
Mol.F.: C7H15NO2
Mol.Wt.: 145.2
Inv. Status: Custom Synthesis

Leucine EP Impurity E

Picture of Leucine EP Impurity E
SZ CAT No:: SZ-L091006
CAS No: 53940-83-3
Mol.F.: C6H13NO2
Mol.Wt.: 131.2
Inv. Status: Custom Synthesis

Leucine Impurity 10

Picture of Leucine Impurity 10
SZ CAT No:: SZ-L091017
CAS No: 1185984-34-2
Mol.F.: C21H23NO4
Mol.Wt.: 353.4
Inv. Status: Custom Synthesis

Leucine Impurity 8

Picture of Leucine Impurity 8
SZ CAT No:: SZ-L091015
CAS No: 117402-82-1
Mol.F.: C20H21NO4
Mol.Wt.: 339.4
Inv. Status: Custom Synthesis

Leucine Impurity 9

Picture of Leucine Impurity 9
SZ CAT No:: SZ-L091016
CAS No: 71953-00-9
Mol.F.: C22H25NO4
Mol.Wt.: 367.4
Inv. Status: Custom Synthesis

L-Norleucine

Picture of L-Norleucine
SZ CAT No:: SZ-L091035
CAS No: 327-57-1
Mol.F.: C6H13NO2
Mol.Wt.: 131.2
Inv. Status: Custom Synthesis
Rel. CAS No: 27493-25-0 (HCl salt) ; 34237-22-4 (sodium salt) ; 56141-84-5 (potassium salt)

N Acetyl DL Isoleucine

Picture of N Acetyl DL Isoleucine
SZ CAT No:: SZ-L091036
CAS No: 2460646-17-5
Mol.F.: C8H15NO3
Mol.Wt.: 173.2
Inv. Status: Custom Synthesis

N-Fmoc-D-leucine

Picture of N-Fmoc-D-leucine
SZ CAT No:: SZ-L091009
CAS No: 114360-54-2
Mol.F.: C21H23NO4
Mol.Wt.: 353.4
Inv. Status: Custom Synthesis

L-Isoleucine Methyl Ester Hydrochloride

Picture of L-Isoleucine Methyl Ester Hydrochloride
SZ CAT No:: SZ-L091037
CAS No: 18598-74-8
Mol.F.: C7H15NO2 : HCl
Mol.Wt.: 145.2 : 36.5
Inv. Status:
Rel. CAS No: 2577-46-0 (free base)

L-Leucine Methyl Ester Hydrochloride

Picture of L-Leucine Methyl Ester Hydrochloride
SZ CAT No:: SZ-L091038
CAS No: 7517-19-3
Mol.F.: C7H15NO2 : HCl
Mol.Wt.: 145.2 : 36.5
Inv. Status:
Rel. CAS No: 2666-93-5 (free base)

Possible Nitroso Standards

N-Nitroso Leucine Impurity

Picture of N-Nitroso Leucine Impurity
SZ CAT No:: SZ-L091018
CAS No: 78814-91-2
Mol.F.: C8H14N2O4
Mol.Wt.: 202.2
Inv. Status: Inquire
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