5-FLUORO-DL-TRYPTOPHAN

CAS No.：154-08-5

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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5-FLUORO-DL-TRYPTOPHAN Basic information

Product Name:	5-FLUORO-DL-TRYPTOPHAN
Synonyms:	.;5-fluorotryptophan;5-Fluoro-DL-tryptophan, 99+%;H-DL-TRP(5-F)-OH;H-5-FLUORO-DL-TRP-OH;DL-5-FLUOROTRYPTOPHAN;DL-2-AMINO-3-(5-FLUOROINDOLYL)PROPIONIC ACID;2-AMINO-3-(5-FLUORO-1H-INDOL-3-YL)PROPANOIC ACID
CAS:	154-08-5
MF:	C11H11FN2O2
MW:	222.22
EINECS:	205-822-5
Product Categories:	Indoles and derivatives;Amino Acids 13C, 2H, 15N;Amino Acids & Derivatives;FA - FLPeptide Synthesis;Alphabetic;F;A - HPeptide Synthesis;Amino Acids;Modified Amino Acids;Tryptophan Derivatives;Unnatural Amino Acid Derivatives
Mol File:	154-08-5.mol

5-FLUORO-DL-TRYPTOPHAN Chemical Properties

Melting point	265 °C (dec.)(lit.)
Boiling point	450.7±45.0 °C(Predicted)
density	1.2556 (estimate)
storage temp.	Keep in dark place,Inert atmosphere,2-8°C
form	powder
pka	2.21±0.10(Predicted)
color	white
BRN	22753
InChIKey	INPQIVHQSQUEAJ-UHFFFAOYSA-N
CAS DataBase Reference	154-08-5(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	36/38
Safety Statements	22-24/25
WGK Germany	3
RTECS	YN6825000
Hazard Note	Irritant
HS Code	29339900

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English

5-FLUORO-DL-TRYPTOPHAN Usage And Synthesis

Chemical Properties	light beige powder
Uses	A metabolic antagonist of tryptophan
Definition	ChEBI: A non-proteinogenic alpha-amino acid that is tryptophan in which the hydrogen at position 5 on the indole ring is replaced by a fluoro group.
Purification Methods	Recrystallise it from EtOH, aqueous EtOH or AcOH. Also purify it by passage through a Dowex AG1x2 (acetate form) column and recrystallise the L-enantiomer (from enzymic enrichment) from H2O/EtOH, m 158-163o(dec), [] D -8.3o (c 2.5, N NaOH). [Coy et al. Biochemistry 13 3550 1974, Beilstein 22/14 V 116.]

5-FLUORO-DL-TRYPTOPHAN Preparation Products And Raw materials

Raw materials	Propanedioic acid, 2-(acetylamino)-2-[(5-fluoro-1H-indol-3-yl)methyl]--->5-FLUOROGRAMINE-->5-Fluoroindole
Preparation Products	2-[(tert-butoxycarbonyl)amino]-3-(5-fluoro-1H-indol-3-yl)propanoic acid

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