A racemic mixture of D- and L-tryptophan
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DL-Tryptophan

Item No. 31210

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
CAS Number
54-12-6
Synonyms
  • NSC 13118
  • (±)-Tryptophan
  • (R,S)-Tryptophan
Molecular Formula
C11H12N2O2
Formula Weight
204.2
Purity
≥98%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
PBS (pH 7.2): 1 mg/ml
λmax
219 nm
SMILES
NC(C(O)=O)CC1=CNC2=CC=CC=C21
InChi Code
InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,13H,5,12H2,(H,14,15)
InChi Key
QIVBCDIJIAJPQS-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    25 g

    $42

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    50 g

    $79

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    100 g

    $147

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    Product Description

    DL-Tryptophan is a racemic mixture of the atypical amino acid D-tryptophan and the essential amino acid L-tryptophan (Item No. 29600).1,2 Serum levels of DL-tryptophan are negatively correlated with urinary protein levels in a rat model of nephropathy induced by doxorubicin (Item No. 15007).3

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Grishin, D.V., Zhdanov, D.D., Pokrovskaya, M.V., et al. D-amino acids in nature, agriculture and biomedicine. All Life 13(1), 11-22 (2020).

    2. Richard, D.M., Dawes, M.A., Mathias, C.W., et al. L-Tryptophan: Basic metabolic functions, behavioral research and therapeutic indication. Int. J. Tryptophan Res. 2, 45-60 (2009).

    3. Li, A.-P., Yang, L., Zhang, L.-C., et al. Evaluation of injury degree of adriamycin-induced nephropathy in rats based on serum metabolomics combined with proline marker. J. Proteome Res. 19(7), 2575-2584 (2020).