DL-Tryptophan

Modify Date: 2024-01-02 10:34:26

DL-Tryptophan Structure
DL-Tryptophan structure
 Common Name DL-Tryptophan
CAS Number 54-12-6 Molecular Weight 204.225
Density 1.4±0.1 g/cm3 Boiling Point 447.9±35.0 °C at 760 mmHg
Molecular Formula C11H12N2O2 Melting Point 289-290ºC
MSDS Chinese USA Flash Point 224.7±25.9 °C

 Use of DL-Tryptophan


DL-Tryptophan is an endogenous metabolite.

 Names

Name tryptophan
Synonym More Synonyms

 DL-Tryptophan Biological Activity

Description DL-Tryptophan is an endogenous metabolite.
Related Catalog
Target

Human Endogenous Metabolite

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 447.9±35.0 °C at 760 mmHg
Melting Point 289-290ºC
Molecular Formula C11H12N2O2
Molecular Weight 204.225
Flash Point 224.7±25.9 °C
Exact Mass 204.089874
PSA 79.11000
LogP 1.04
Vapour Pressure 0.0±1.1 mmHg at 25°C
Index of Refraction 1.698
Storage condition Store at RT.
Stability Stable. Incompatible with strong oxidizing agents, strong acids.
Water Solubility 10 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YN6129200
CHEMICAL NAME :
Tryptophan, DL-
CAS REGISTRY NUMBER :
54-12-6
LAST UPDATED :
199709
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C11-H12-N2-O2
MOLECULAR WEIGHT :
204.25
WISWESSER LINE NOTATION :
T56 BMJ D1YZVQ -DL

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BCPCA6 Biochemical Pharmacology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.1- 1958- Volume(issue)/page/year: 15,2134,1966 ** TUMORIGENIC DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
844 gm/kg/92W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Lungs, Thorax, or Respiration - tumors Reproductive - Tumorigenic effects - testicular tumors
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 39,1207,1979 *** REVIEWS *** TOXICOLOGY REVIEW BLFSBY Basic Life Sciences. (Plenum Pub. Corp., 223 Spring St., New York, NY 10003) V.1- 1973- Volume(issue)/page/year: 24,253,1983 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3905 No. of Facilities: 559 (estimated) No. of Industries: 3 No. of Occupations: 11 No. of Employees: 6205 (estimated) No. of Female Employees: 3513 (estimated)

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases R22
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 1
RTECS YN6129200
HS Code 29339990

 Synthetic Route

 Customs

HS Code 2933990090
Summary 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles202

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 Synonyms

DL-Tryptophan
DL-Trp
3-Indol-3-ylalanine
DL-3β-Indolylalanine
H-Trp-OH
α-Aminoindole-3-propionic acid
(RS)-Tryptophan
Trp
UNII:X9U7434L7A
2-amino-3-(1H-indol-3-yl)propanoic acid
Indole-3-alanine
Propionic acid, 2-amino-3-indol-3-yl-
Alanine, 3-indol-3-yl
DL-3beta-Indolylalanine
H-DL-Trp-OH
(±)-Tryptophan
DL-a-Amino-3-indolepropionic Acid
1H-Indole-3-alanine (VAN)
Tryptophan (VAN)
(±)-2-Amino-3-(3-indolyl)propionic Acid
Indole-3-propionic acid, α-amino-
Alanine, 3-indol-3-yl-
Tryptophan
MFCD04118170
DL-Trytophane
EINECS 200-194-9
(±)-α-Amino-3-indolepropionic acid
Racemic Tryptophan
DL-Trytophan
DL-triptophan
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Related Compounds: More...
DL-tryptophan
1954-56-9
DL-Tryptophan-d3
340257-61-6
DL-Tryptophan-d8
1233395-85-1
Boc-DL-tryptophan
112525-72-1
MTH-DL-Tryptophan
4311-88-0
PTH-DL-TRYPTOPHAN
73855-59-1
poly-dl-tryptophan
27732-43-0
DNPYR-DL-TRYPTOPHAN
102850-24-8
7-Aza-DL-tryptophan
16979-62-7
Chemsrc provides DL-Tryptophan(CAS#:54-12-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of DL-Tryptophan are included as well.>> amp version: DL-Tryptophan

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