DL-Tryptophan

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

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.

Name	tryptophan
Synonym	More Synonyms

Description	DL-Tryptophan is an endogenous metabolite.
Related Catalog	Research Areas >> Metabolic Disease
Target	Human Endogenous Metabolite

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)

DL-Tryptophan MSDS(Chinese)

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)

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

Precursor 8
CAS#:70380-01-7 DL-γ-glutamalde... CAS#:59-88-1 Phenylhydrazine... CAS#:7303-49-3 methyl tryptophan CAS#:1218-34-4 Acetyl-L-tryptophan
CAS#:120-72-9 Indole CAS#:3981-36-0 3-chloroalanine CAS#:5379-97-5 diethyl 2-aceta... CAS#:104331-05-7 rac-N-benzoyl-t...
DownStream 10
CAS#:120-72-9 Indole CAS#:551-93-9 2'-Aminoacetophenone CAS#:5470-37-1 1H-Pyrido[3,4-b... CAS#:4311-88-0 Necrostatin-1
CAS#:5789-24-2 4-Imidazolidino... CAS#:487-89-8 Indole-3-carbox... CAS#:2591-98-2 Indole-3-acetal... CAS#:392-12-1 Indole-3-pyrubate
CAS#:1990-34-7 Tryptophan, N-a... CAS#:83-34-1 3-Methylindole

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%

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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

GL Biochem (Shanghai) Ltd.
China
Product Name: DL-Tryptophan
Price: ￥Inquiry/1kg ￥Inquiry/100g
Purity: 99.0%
Delivery: Inquiry
Contact: Jackie Yang
Email: ymbetter@glbiochem.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: DL-Tryptophan
Price: ￥348.0/100g ￥118.0/25g
Purity: 97.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: DL-Tryptophan
Price: ￥Inquiry/1g
Purity: 98.9%
Delivery: 1 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Nanjing Peptide Biotech Ltd
China
Product Name: H-DL-Trp-OH
Price: ￥Inquiry/10g ￥Inquiry/100g ￥Inquiry/1kg ￥Inquiry/10kg
Purity: 98.0%
Delivery: 7 Day
Contact: jom
Email: chenglong.fan@njpeptide.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: DL-Tryptophan
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: DL-Tryptophan 54-12-6
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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DL-Tryptophan

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DL-Tryptophan Biological Activity

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