Impurity Reference Standard - Products

Leucine EP Impurity A

CAT No: CL-LCN-01 CAS No: 73-32-5 Mol Wt: 131.2 Mol F: C6H13NO2 Inv Status: Custom Synthesis

Chemical Name: (2S,3S)-2-Amino-3-methylpentanoic acid

Leucine EP Impurity B

CAT No: CL-LCN-02 CAS No: 63-68-3 Mol Wt: 149.2 Mol F: C5H11NO2S Inv Status: Custom Synthesis

Chemical Name: (2S)-2-Amino-4-(methylsulfanyl)butanoic acid

Leucine EP Impurity C

CAT No: CL-LCN-03 CAS No: 63-91-2 Mol Wt: 165.2 Mol F: C9H11NO2 Inv Status: Custom Synthesis

Chemical Name: (2S)-2-Amino-3-phenylpropanoic acid

Leucine EP Impurity D

CAT No: CL-LCN-04 CAS No: 31872-98-7 Mol Wt: 145.2 Mol F: C7H15NO2 Inv Status: Custom Synthesis

Chemical Name: (2S)-2-Amino-5-methylhexanoic acid

Leucine EP Impurity E

CAT No: CL-LCN-05 CAS No: 53940-83-3 Mol Wt: 131.2 Mol F: C6H13NO2 Inv Status: Custom Synthesis

Chemical Name: (2S)-2-Amino-3-methylbutanoic acid

Des N-Methyl Leucine

CAT No: CL-LCN-06 CAS No: 216382-10-4 Mol Wt: 1665.9 Mol F: C79H84Cl3N9O25 Inv Status: Custom Synthesis

Chemical Name: Vancomycin, 22-O-(3-amino-2,3,6-trideoxy-3-C-methyl-a-L-arabinohexopyranosyl)-N3''-[(4'-chloro[1,1'-biphenyl]-4-yl)methyl]-49-de[4-methyl-2-(methylamino)-1-oxopentyl]-, (4''R)- (9CI)

4-Hydroxy Isoleucine

CAT No: CL-LCN-07 CAS No: 781658-23-9 Mol Wt: 147.2 Mol F: C6H13NO3 Inv Status: Custom Synthesis

Chemical Name: (2S,3R)-2-amino-4-hydroxy-3-methylpentanoic acid

N-Boc-D-Isoleucine

CAT No: CL-LCN-08 CAS No: 55721-65-8 Mol Wt: 231.3 Mol F: C11H21NO4 Inv Status: Custom Synthesis

Chemical Name: (Tert-butoxycarbonyl)-D-isoleucine

Leucine Impurity 1

CAT No: CL-LCN-09 CAS No: 35737-10-1 Mol Wt: 311.3 Mol F: C18H17NO4 Inv Status: Custom Synthesis

Chemical Name: 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)propanoic acid

Leucine Impurity 2

CAT No: CL-LCN-10 CAS No: 35661-39-3 Mol Wt: 311.3 Mol F: C18H17NO4 Inv Status: Custom Synthesis

Chemical Name: (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-alanine

Leucine Impurity 3

CAT No: CL-LCN-11 CAS No: 114360-54-2 Mol Wt: 353.4 Mol F: C21H23NO4 Inv Status: Custom Synthesis

Chemical Name: (((9H-Fluoren-9-yl)methoxy)carbonyl)-D-leucine

Leucine Impurity 4

CAT No: CL-LCN-12 CAS No: 101555-62-8 Mol Wt: 337.4 Mol F: C20H19NO4 Inv Status: Custom Synthesis

Chemical Name: (((9H-Fluoren-9-yl)methoxy)carbonyl)-D-proline

Leucine Impurity 5

CAT No: CL-LCN-13 CAS No: 128107-47-1 Mol Wt: 383.4 Mol F: C22H25NO5 Inv Status: Custom Synthesis

Chemical Name: N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(tert-butyl)-D-serine

Leucine Impurity 6

CAT No: CL-LCN-14 CAS No: 22146-59-4 Mol Wt: 173.2 Mol F: C8H15NO3 Inv Status: Custom Synthesis

Chemical Name: (S)-2-Acetamido-3,3-dimethylbutanoic acid

Leucine Impurity 7

CAT No: CL-LCN-15 CAS No: 146346-88-5 Mol Wt: 325.4 Mol F: C19H19NO4 Inv Status: Custom Synthesis

Chemical Name: Methyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-alaninate

Leucine Impurity 8

CAT No: CL-LCN-16 CAS No: 117402-82-1 Mol Wt: 339.4 Mol F: C20H21NO4 Inv Status: Custom Synthesis

Chemical Name: Ethyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-alaninate

Leucine Impurity 9

CAT No: CL-LCN-17 CAS No: 71953-00-9 Mol Wt: 367.4 Mol F: C22H25NO4 Inv Status: Custom Synthesis

Chemical Name: Tert-butyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-alaninate

Leucine Impurity 10

CAT No: CL-LCN-18 CAS No: 1185984-34-2 Mol Wt: 353.4 Mol F: C21H23NO4 Inv Status: Custom Synthesis

Chemical Name: Isopropyl (((9H-fluoren-9-yl)methoxy)carbonyl)-L-alaninate

Type:Impurity Reference Standard

API NAME:Leucine

Total Products: 18

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