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ChemicalBook--->CAS DataBase List--->4350-09-8

4350-09-8

4350-09-8 Structure

4350-09-8 Structure
IdentificationMore
[Name]

L-5-Hydroxytryptophan
[CAS]

4350-09-8
[Synonyms]

2-AMINO-3-(5-HYDROXY-1H-INDOL-3-YL)PROPIONIC ACID
5-HTP
5-HYDROXY-L-TRP-OH
(-)-5-HYDROXY-L-TRYPTOPHAN
5-HYDROXY-L-TRYPTOPHAN
5-HYDROXY-TRP-OH
5-HYDROXYTRYPTOPHAN
C5-HYDROXY-L-TRYPTOPHAN
H-5-HYDROXY-TRP-OH
H-TRP(5-OH)-OH
L-2-AMINO-3-(5-HYDROXYINDOLYL)PROPIONIC ACID
L-5-HTP
L-5-HYDROXYTRYPTOPHAN
L-5-HYDROXYTRYPTOPHAN HYDRATE
OXITRIPTAN
(S)-2-AMINO-3-(5-HYDROXY-1H-INDOL-3-YL)-PROPIONIC ACID
5-hydroxy-l-tryptopha
pretonine
5-Hydroxy-L-tryptophan, Free Acid
Griffonia seed
[EINECS(EC#)]

224-411-1
[Molecular Formula]

C11H12N2O3
[MDL Number]

MFCD00064341
[Molecular Weight]

220.22
[MOL File]

4350-09-8.mol
Chemical PropertiesBack Directory
[Appearance]

white to pale grey powder
[Melting point ]

270 °C (dec.) (lit.)
[alpha ]

-32.5 º (c=1,H2O on dry basis)
[Boiling point ]

361.16°C (rough estimate)
[density ]

0.902 g/mL at 25 °C(lit.)
[refractive index ]

n20/D 1.4850(lit.)
[Fp ]

175 °F
[storage temp. ]

2-8°C
[solubility ]

H2O: 10 mg/mL
[form ]

solid
[pka]

2.22±0.10(Predicted)
[color ]

white
[optical activity]

[α]22/D 30°, c = 1 in H2O
[Water Solubility ]

Slightly soluble
[Merck ]

14,4847
[BRN ]

88200
[LogP]

-0.140 (est)
[CAS DataBase Reference]

4350-09-8(CAS DataBase Reference)
[EPA Substance Registry System]

4350-09-8(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn,Xi
[Risk Statements ]

R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R65:Harmful: May cause lung damage if swallowed.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R20/21:Harmful by inhalation and in contact with skin .
[Safety Statements ]

S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[RIDADR ]

UN 2811 6.1/PG 3
[WGK Germany ]

3
[RTECS ]

YN7110000
[F ]

3-10
[TSCA ]

Yes
[HazardClass ]

6.1
[PackingGroup ]

III
[HS Code ]

29339990
Hazard InformationBack Directory
[General Description]

Colorless to pale pink crystals.
[Reactivity Profile]

L-5-HYDROXYTRYPTOPHAN(4350-09-8) reacts with bases. .
[Air & Water Reactions]

This compound is sensitive to air. Slightly water soluble .
[Fire Hazard]

Flash point data for this compound are not available, however, L-5-HYDROXYTRYPTOPHAN is probably combustible.
[Chemical Properties]

white to pale grey powder
[Uses]

5-Hydroxy-L-Tryptophan is a hydroxylated metabolite of L-Tryptophan
[Uses]

A labelled metabolite of Tryptophan
[Definition]

ChEBI: 5-hydroxy-L-tryptophan is the L-enantiomer of 5-hydroxytryptophan. It has a role as a human metabolite, a plant metabolite and a mouse metabolite. It is a 5-hydroxytryptophan, a hydroxy-L-tryptophan and a non-proteinogenic L-alpha-amino acid. It is an enantiomer of a 5-hydroxy-D-tryptophan. It is a tautomer of a 5-hydroxy-L-tryptophan zwitterion.
[reaction suitability]

reaction type: solution phase peptide synthesis
[Trade name]

Levothym (Promonta Lundbeck, Germany), Lévotonine (Panpharma, France), Oxyfan (Coli, Italy), Tript-OH (Sigma- Tai, Italy).
[Biochem/physiol Actions]

Hydroxylation of L-tryptophan occurs in the brain during serotonin synthesis. This is a step that controls the production of serotonin and also yields 5-hydroxy-l-tryptophan (5-HTP) as a metabolite. Thus, consumption 5-HTP, increases the serotonin level, which might result in depression, lack of sleep and severe headache.
[Purification Methods]

Likely impurities are 5-hydroxy-D-tryptophan and 5-benzyloxytryptophan. Crystallise 5-hydroxy-L-tryptophan under nitrogen from water by adding EtOH. Store it under nitrogen. Also dissolve it in the minimum volume of hot H2O (~0.7g in 4mL) under nitrogen (charcoal) and allowed it to crystallise at 5o. The picrolonate crystallises from H2O with m 184-186o(dec). [Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 p 2732-2737 1961, Morris & Armstrong J Org Chem 22 306 1957, Beilstein 22/14 V 278.]
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

L-5-Hydroxytryptophan(4350-09-8).msds
Spectrum DetailBack Directory
[Spectrum Detail]

L-5-Hydroxytryptophan(4350-09-8)MS
L-5-Hydroxytryptophan(4350-09-8)1HNMR
L-5-Hydroxytryptophan(4350-09-8)IR1
L-5-Hydroxytryptophan(4350-09-8)IR2
L-5-Hydroxytryptophan(4350-09-8)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

L-5-Hydroxytryptophan, 99%(4350-09-8)
[Alfa Aesar]

L-5-Hydroxytryptophan hydrate, 98%(4350-09-8)
[Sigma Aldrich]

4350-09-8(sigmaaldrich)
[TCI AMERICA]

5-Hydroxy-L-tryptophan,>98.0%(T)(4350-09-8)
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