Welcome to chemicalbook!
Chinese English Japanese Germany Korea
+1 (818) 612-2111
18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
Structure Search
RFQ
Try our best to find the right business for you.
Messages
Do not miss inquiry messages Please log in to view all inquiry messages.
My chemicalbook Sign in

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Biochemical Engineering>Amino Acids and proteins>L-Tryptophan
L-Tryptophan
  • L-Tryptophan
  • L-Tryptophan

L-Tryptophan NEW

Price $33 $1.4
Package 1kg 1000kg
Min. Order: 1kg
Supply Ability: g-kg-tons, free sample is available
Update Time: 2025-09-25
webchat

Product Details

Product Name: L-Tryptophan CAS No.: 73-22-3
Min. Order: 1kg Purity: 99%
Supply Ability: g-kg-tons, free sample is available Release date: 2025/09/25
Lead time: In stock, ready for shipment Packa: bag/bottle/drum/IBC
Delivery: By express, by air, by sea Origin: Manufacturer, advantage product
COA, MSDS: Available, contact us for details Name: Mia

1. Materials information

 Names

NameL-tryptophan
SynonymMore Synonyms

 L(-)-Tryptophan Biological Activity

DescriptionL-Tryptophan (Tryptophan) is an essential amino acid that is the precursor of serotonin, melatonin, and vitamin B3[1].
Related Catalog
Research Areas >> Metabolic Disease
Target

Human Endogenous Metabolite

References

[1]. Slominski A, et al. Conversion of L-tryptophan to serotonin and melatonin in human melanoma cells. FEBS Lett. 2002 Jan 30;511(1-3):102-6.

 Chemical & Physical Properties

Density1.4±0.1 g/cm3
Boiling Point447.9±35.0 °C at 760 mmHg
Melting Point289-290 °C (dec.)(lit.)
Molecular FormulaC11H12N2O2
Molecular Weight204.23
Flash Point224.7±25.9 °C
Exact Mass204.089874
PSA79.11000
LogP1.04
Vapour Pressure0.0±1.1 mmHg at 25°C
Index of Refraction1.698

2. Packaging of materials

  • For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.

  • For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product. 

                             Or smaller package 1kg/bottle, 10kgs/bottle as request. 


Article illustrationArticle illustration


3. Shipping & Delivery

  • By Express

Provide door to door service

Suitable for goods under 50kg

Delivery: 3-7 days

Cost: low cost

Article illustration


  • By Air

Provide airport to airport service

Suitable for goods over 50kg

Delivery: 3-14 days

Cost: high cost

Article illustration


  • By Sea

Provide seaport to seaport service

Suitable for goods over 100kg

Delivery: 2-45 days

Cost: low cost

Article illustration


4. Contact information

For more details, pls contact us freely.

Email address: mia@fdachem.com

Mob: 86 18336764634

WhatsApp/Skype/Wechat/LINE: 86 18336764634








Company Profile Introduction

Henan Fengda Chemical Co., Ltd. is located in the High-tech Development Zone of Henan Province. Specializing in the production and sales of various fine chemical products required for industrial production, including chemical raw materials, organic raw materials, petrochemicals, chemical reagents, solvents, catalysts, and additives, etc.

You may like

Recommended supplier

Product name Price   Suppliers Update time
L-Tryptophan
 $31.00/500mg
VIP6Y
TargetMol Chemicals Inc.
2025-10-27
L-Tryptophan
 $31.00/500mg
VIP2Y
TargetMol Chemicals Inc.
 2025-10-24
L-Tryptophan
 $0.00/25KG
VIP6Y
Sichuan Zhuoyu Yantang Technology Co., Ltd.
 2025-09-16
L-Tryptophan
 $30.00/50mg
VIP4Y
TargetMol Chemicals Inc.
2025-04-30
L-Tryptophane
 $/
VIP5Y
RongNa Biotechnology Co.,Ltd
 2025-04-29
L-Tryptophan
 $0.00/25kg
VIP1Y
Shaanxi Dideu New Materials Co. Ltd
 2025-02-22
L-Tryptophan
 $1.00/1kg
VIP7Y
Hebei Chuanghai Biotechnology Co., Ltd
 2024-11-05
L-Tryptophan
 $100.00/1kg
VIP2Y
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
 2024-08-22
L-Tryptophan
 $30.00/1KG
VIP5Y
Hebei Chuanghai Biotechnology Co,.LTD
 2024-08-20
L-Tryptophan
 $0.00/1Kg/Bag
VIP5Y
Sinoway Industrial co., ltd.
2024-06-27
INQUIRY