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DL-Tryptophan

Product Name
DL-Tryptophan
CAS No.
54-12-6
Chemical Name
DL-Tryptophan
Synonyms
DL-Trp;DL-Trp-OH;DL-Tryptphan;DL-Trytophan;DL-Tryptohan;DL-Trytophane;DL-Tryptophan;DL-Tryptoplaan;DL-Trypthophan;(rs)-tryptophan
CBNumber
CB6107772
Molecular Formula
C11H12N2O2
Formula Weight
204.23
MOL File
54-12-6.mol
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DL-Tryptophan Property

Melting point:
289-290 °C (dec.)(lit.)
alpha 
[α]D20 -1~1°(c=1, dil. HCl)
Boiling point:
342.72°C (rough estimate)
Density 
1.1754 (rough estimate)
refractive index 
1.5200 (estimate)
storage temp. 
Store at RT.
solubility 
methanol: water (7:3): soluble
form 
Powder
pka
2.30±0.10(Predicted)
color 
White to light beige or light yellow
Odor
Odorless
Water Solubility 
10 g/L (20 ºC)
BRN 
86196
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids.
InChIKey
QIVBCDIJIAJPQS-UHFFFAOYSA-N
CAS DataBase Reference
54-12-6(CAS DataBase Reference)
NIST Chemistry Reference
Tryptophane(54-12-6)
EPA Substance Registry System
Tryptophan (54-12-6)
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Safety

Hazard Codes 
Xi
Risk Statements 
22-36/37/38-37/38-41
Safety Statements 
24/25-36/37/39-36-26
WGK Germany 
1
RTECS 
YN6129200
8
TSCA 
Yes
HS Code 
29339990
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
162698
Product name
DL-Tryptophan
Purity
≥99% (HPLC)
Packaging
1.5g
Price
$117
Updated
2020/08/18
Sigma-Aldrich
Product number
162698
Product name
DL-Tryptophan
Purity
≥99% (HPLC)
Packaging
50g
Price
$123
Updated
2020/08/18
TCI Chemical
Product number
T0540
Product name
DL-Tryptophan
Purity
>99.0%(HPLC)(T)
Packaging
25g
Price
$34
Updated
2020/06/24
Alfa Aesar
Product number
L05936
Product name
DL-Tryptophan, 99%
Packaging
5g
Price
$20.5
Updated
2020/06/24
Alfa Aesar
Product number
L05936
Product name
DL-Tryptophan, 99%
Packaging
25g
Price
$49.7
Updated
2020/06/24
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DL-Tryptophan Chemical Properties,Usage,Production

Chemical Properties

White crystals. Slightly soluble in water; stable in alkaline solution; decomposed by strong acids.

Uses

An amino acid precursor of serotonin and melatonin.

Definition

ChEBI: An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3.

Safety Profile

Experimental reproductive effects. Questionable carcinogen with experimental carcinogenic data. When heated to decomposition it emits toxic fumes of NOx.

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DL-Tryptophan Suppliers

Wuxi maimo topp biotechnology co., LTD
Tel
Email
lisa-li@mimotopes.cn
Country
China
ProdList
5883
Advantage
58
Shanghai Boyle Chemical Co., Ltd.
Tel
Mr Qiu:021-50182298(Demestic market) Miss Xu:021-50180596(Abroad market)
Fax
+86-21-57758967
Email
sales@boylechem.com
Country
China
ProdList
2214
Advantage
55
J & K SCIENTIFIC LTD.
Tel
010-82848833- ;010-82848833-
Fax
86-10-82849933
Email
jkinfo@jkchemical.com;market6@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
21-61259100-
Fax
86-21-61259102
Email
sh@meryer.com
Country
China
ProdList
40268
Advantage
62
Alfa Aesar
Tel
400-610-6006; 021-67582000
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30163
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386 / 800-988-0390
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24555
Advantage
81
ShangHai DEMO Chemical Co.,Ltd
Tel
400-021-7337 qq:2355568890
Fax
0086-21-50182339
Email
sales@demochem.com; export1@demochem.com
Country
China
ProdList
2583
Advantage
57
Beijing dtftchem Technology Co., Ltd.
Tel
13651141086; 86(10)60275028、60275820
Fax
86 (10) 60270825
Email
dtftchem@sina.com
Country
China
ProdList
3393
Advantage
62
Energy Chemical
Tel
021-58432009
Fax
021-58436166-800
Email
sales8178@energy-chemical.com
Country
China
ProdList
44026
Advantage
61
JinYan Chemicals(ShangHai) Co.,Ltd.
Tel
13817811078,021-50426030
Fax
86-021-50426522,50426273
Email
sales@jingyan-chemical.com
Country
China
ProdList
10009
Advantage
60
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View Lastest Price from DL-Tryptophan manufacturers

career henan chemical co
Product
DL-Tryptophan 54-12-6
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
1ton
Release date
2018-08-09

54-12-6, DL-TryptophanRelated Search:


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  • 54-12-6
  • 1954-12-06
  • 54-21-6
  • 13CC10H12N2O2
  • AMINE
  • Amino Acid Derivatives
  • Tryptophan
  • Specialty Synthesis
  • Peptide Synthesis
  • Amino Acids & Derivatives
  • Tryptophan [Trp, W]
  • alpha-Amino Acids
  • Amino Acids
  • Biochemistry
  • Indoles
  • Tryptophans
  • Amino Acids
  • Alphabetical Listings
  • Stable Isotopes
  • Amino Acids Derivatives