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Search Results for " Leucine "

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

Picture of DL-Leucine
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DL-Leucine

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

  • SZ CAT No: SZ-L091001
  • CAS No: 61-90-5
  • Mol.F.: C6H13NO2
  • Mol.Wt.: 131.2
  • Inv. Status: In Stock
  • Rel. CAT No: SZ-L084002 ; SZ-P095002 ,
Picture of Leucine EP Impurity C
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Leucine EP Impurity C

Picture of Leucine Impurity 6
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Leucine Impurity 6

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

  • SZ CAT No: SZ-L091012
  • CAS No: 20859-02-3
  • Mol.F.: C6H13NO2
  • Mol.Wt.: 131.2
  • Inv. Status: In Stock
Picture of [Leu5]-Enkephalin
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[Leu5]-Enkephalin

  • SZ CAT No: SZ-L091019
  • CAS No: 58822-25-6
  • Mol.F.: C28H37N5O7
  • Mol.Wt.: 555.6
  • Inv. Status: Custom Synthesis
Picture of D-Proline-N-Fmoc
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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
Picture of Fmoc-Ala-OH
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Fmoc-Ala-OH

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

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

  • SZ CAT No: SZ-L091023
  • CAS No: 312624-65-0
  • Mol.F.: C22H25NO4
  • Mol.Wt.: 367.4
  • Inv. Status: Custom Synthesis
Picture of Fmoc-Asn(Trt)-OH
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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
Picture of Fmoc-Asp(OtBu)-OH
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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
Picture of Fmoc-Beta-Ala-Ile-OH
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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
Picture of Fmoc-Beta-Ala-Val-OH
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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
Picture of Fmoc-D-Arg(Pbf)-OH 
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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
Picture of Fmoc-D-Ser(tBu)-OH
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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
Picture of Fmoc-D-Tic-OH
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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
Picture of Fmoc-Glu(OtBu)-OH
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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
Picture of Fmoc-His(Trt)-OH
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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
Picture of Fmoc-Ile-Ile-OH
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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
Picture of Fmoc-Leu-OH
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Fmoc-Leu-OH

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

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

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

  • SZ CAT No: SZ-L091027
  • CAS No: 68858-20-8
  • Mol.F.: C20H21NO4
  • Mol.Wt.: 339.4
  • Inv. Status: Custom Synthesis
Picture of Fmoc-β-Ala-OH
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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
Picture of Leucine EP Impurity A
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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 ,
Picture of Leucine EP Impurity B
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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 ,
Picture of Leucine EP Impurity D
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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
Picture of Leucine EP Impurity E
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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
Picture of Leucine Impurity 10
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Leucine Impurity 10

  • SZ CAT No: SZ-L091017
  • CAS No: 1185984-34-2
  • Mol.F.: C21H23NO4
  • Mol.Wt.: 353.4
  • Inv. Status: Custom Synthesis
Picture of Leucine Impurity 8
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Leucine Impurity 8

  • SZ CAT No: SZ-L091015
  • CAS No: 117402-82-1
  • Mol.F.: C20H21NO4
  • Mol.Wt.: 339.4
  • Inv. Status: Custom Synthesis
Picture of Leucine Impurity 9
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Leucine Impurity 9

  • SZ CAT No: SZ-L091016
  • CAS No: 71953-00-9
  • Mol.F.: C22H25NO4
  • Mol.Wt.: 367.4
  • Inv. Status: Custom Synthesis
Picture of L-Norleucine
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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)
Picture of N Acetyl DL Isoleucine
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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
Picture of N-Fmoc-D-leucine
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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
Picture of L-Isoleucine Methyl Ester Hydrochloride
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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: Under Synthesis
  • Rel. CAS No: 2577-46-0 (free base)
Picture of L-Leucine Methyl Ester Hydrochloride
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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: Under Synthesis
  • Rel. CAS No: 2666-93-5 (free base)
Picture of α-Keto-Isoleucine Calcium
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α-Keto-Isoleucine Calcium

  • SZ CAT No: SZ-L091039
  • CAS No: 66872-75-1
  • Mol.F.: C6H10O3 : 1/2 (Ca)
  • Mol.Wt.: 130.1 : 1/2(40.1)
  • Inv. Status:
  • Rel. CAS No: 1460-34-0 (free base)

Possible Nitroso Standards

Picture of N-Nitroso Leucine Impurity
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N-Nitroso Leucine Impurity

  • SZ CAT No: SZ-L091018
  • CAS No: 78814-91-2
  • Mol.F.: C8H14N2O4
  • Mol.Wt.: 202.2
  • Inv. Status: Inquire