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HomeProduct name listD-Tryptophan

D-Tryptophan

Synonym(s):(R)-2-Amino-3-(3-indolyl)propionic acid;D-α-Amino-3-indolepropionic acid

  • CAS NO.:153-94-6
  • Empirical Formula: C11H12N2O2
  • Molecular Weight: 204.23
  • MDL number: MFCD00005647
  • EINECS: 205-819-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-22 18:19:53
D-Tryptophan Structural

What is D-Tryptophan?

Chemical properties

white powder

The Uses of D-Tryptophan

An essential amino acid found in naturally produced pedtides. Unlike its stereoisomer, L-tryptophan, it is not used in structural or enzyme proteins.

The Uses of D-Tryptophan

D-Tryptophan is used for human embryonic kidney cell (HEK-293, ATCC: CRL-1573) culture. The product is a sweetener used to study the release of incretins from enteroendocrine cells triggered by sugar but not by sweeteners.

What are the applications of Application

D-Tryptophan is an unnatural isomer of tryptophan

Definition

ChEBI: The D-enantiomer of tryptophan.

General Description

White solid.

Air & Water Reactions

Slightly soluble in water.

Reactivity Profile

Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides.

Fire Hazard

Flash point data are not available for D(+)-Tryptophan, but D(+)-Tryptophan is probably combustible.

Biochem/physiol Actions

Low level of D-tryptophan is capable of preventing the growth of an?L-tryptophan-requiring mutant of the?E. coli.

Properties of D-Tryptophan

Melting point: 282-285 °C (dec.)(lit.)
Boiling point: 342.72°C (rough estimate)
alpha  31.5 º (c=1, H2O 24 ºC)
Density  1.1754 (rough estimate)
refractive index  31 ° (C=1, H2O)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  Aqueous Base (Slightly), DMSO (Slightly, Heated, Sonicated), Methanol (Slightly)
form  Powder
pka 2.30±0.10(Predicted)
color  White to slightly yellow
Water Solubility  11 g/L (20 ºC)
BRN  86198
Stability: Stable. Incompatible with oxidizing agents.
CAS DataBase Reference 153-94-6(CAS DataBase Reference)
EPA Substance Registry System D-Tryptophan (153-94-6)

Safety information for D-Tryptophan

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for D-Tryptophan

InChIKey QIVBCDIJIAJPQS-SECBINFHSA-N

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