Tryptophan testing is one of our laboratory services at NPA Laboratories, LLC. Tryptophan  is an essential amino acid containing Indole function group. It is one of 20 standard amino acids.

Nutritional Phytochemical Analytical Laboratory

Molecular Weight: 204.22

Molecular Formula:  C₁₁H₁₂N₂O₂

IUPAC Name: (S)-2-Amino-3-(1H-indol-3-yl)-propionic acid

CAS Name: L-Tryptophan

CAS number:  73-22-3

One Letter Code:  W

Three Letter Code: Trp

Tryptophan

Structural Formula

3D Structural Formula

¨ Alanine

¨ Arginine

¨ Aspartic Acid

¨ Cysteine

¨ Cystine

¨ Glutamic Acid

¨ Glycine

¨ Histidine

¨ Isoleucine

¨ Leucine

¨ Lysine

¨ L-Theanine

¨ Methionine

¨ Phenylalanine

¨ Proline

¨ Serine

¨ Taurine

¨ Threonine

¨ Tryptophan

¨ Tyrosine

¨ Valine

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