Impurity Reference Standard - Products

Aspartame

CAT No: CL-ASPM-01 CAS No: 22839-47-0 Mol Wt: 294.3 Mol F: C14H18N2O5 Inv Status: In Stock

Chemical Name: (3S)-3-amino-4-[[(2S)-1-methoxy-1-oxo-3-phenylpropan-2-yl]amino]-4-oxobutanoic acid

Aspartame EP Impurity A

CAT No: CL-ASPM-02 CAS No: (5262-10-2) Mol Wt: 262.3 Mol F: C13H14N2O4 Inv Status: Custom Synthesis

Chemical Name: 2-((2S,5S)-5-benzyl-3,6-dioxopiperazin-2-yl)acetic acid

Aspartame EP Impurity B

CAT No: CL-ASPM-03 CAS No: 13433-09-5 Mol Wt: 280.3 Mol F: C13H16N2O5 Inv Status: In Stock

Chemical Name: (S)-3-Amino-4-(((S)-1-carboxy-2-phenylethyl)amino)-4-oxobutanoic acid

Aspartame Impurity C

CAT No: CL-ASPM-04 CAS No: 150-30-1 Mol Wt: 165.19 Mol F: C9H11NO2 Inv Status: In Stock

Chemical Name: 2-Amino-3-phenylpropionic Acid

Aspartame EP Impurity C

CAT No: CL-ASPM-05 CAS No: 63-91-2 Mol Wt: 165.19 Mol F: C9H11NO2 Inv Status: In Stock

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

Aspartame Impurity 1

CAT No: CL-ASPM-06 CAS No: 55102-13-1 Mol Wt: 262.3 Mol F: C13H14N2O4 Inv Status: Custom Synthesis

Chemical Name: 2-(5-Benzyl-3,6-dioxopiperazin-2-yl)acetic acid

Aspartame Impurity 2

CAT No: CL-ASPM-07 CAS No: 22839-65-2 Mol Wt: 294.3 Mol F: C14H18N2O5 Inv Status: Custom Synthesis

Chemical Name: (S)-3-Amino-4-(((R)-1-methoxy-1-oxo-3-phenylpropan-2-yl)amino)-4-oxobutanoic acid

Aspartame D3

CAT No: CL-ASPM-08 CAS No: 1356841-28-5 Mol Wt: 297.3 Mol F: C14H15D3N2O5 Inv Status: Custom Synthesis

Chemical Name: (S)-3-Amino-4-(((S)-1-(methoxy-d3)-1-oxo-3-phenylpropan-2-yl)amino)-4-oxobutanoic acid

Aspartame D5

CAT No: CL-ASPM-09 CAS No: 1356849-17-6 Mol Wt: 299.3 Mol F: C14H13D5N2O5 Inv Status: Custom Synthesis

Chemical Name: (S)-3-Amino-4-(((S)-1-methoxy-1-oxo-3-(phenyl-d5)propan-2-yl)amino)-4-oxobutanoic acid