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Postion:Product Catalog >Biochemical Engineering>Amino Acids and Derivatives>Tryptophan derivatives>L-5-Hydroxytryptophan Powder
L-5-Hydroxytryptophan Powder
  • L-5-Hydroxytryptophan Powder
  • L-5-Hydroxytryptophan Powder
  • L-5-Hydroxytryptophan Powder
  • L-5-Hydroxytryptophan Powder

L-5-Hydroxytryptophan Powder NEW

Price $120
Package 1kg
Min. Order: 1kg
Supply Ability: 20ton
Update Time: 2024-05-14

Product Details

Product Name: L-5-Hydroxytryptophan Powder CAS No.: 4350-09-8
Min. Order: 1kg Purity: 99%
Supply Ability: 20ton Release date: 2024/05/14

Product Description                                                      

ITEMSSPECIFICATIONS
AppearanceOff-white powder
IdentificationRetention time of L-5-HTP Peak matches with the L-5-HTP R.S.
Specific Rotation [a]D20-32.5±2.0°
L-5-HTP(HPLC)≥99.0%
Particle size100% pass 80 mesh
Bulk density0.40~0.60 g/ml
Tapped density0.50~0.70 g/ml
Loss of drying ≤2.0%
Residual on Ignition  ≤1.0%
Heavy Metal(As Pb)≤20ppm
As (As As2O3)≤2ppm
Lead(Pb)≤2ppm
Cadmium(Cd)≤1ppm
Mercury(Hg)≤1ppm
Aflatoxins≤10ppb
Residual solvents(Ethanol) ≤ 5000ppm
Total Plate Count< 1000 cfu/g
Yeast and Mold< 100 cfu/g
ColiformsNegative
Escherichia ColiNegative
Salmonella enteriticaNegative
Staphylococcus aureusNegative

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Company Profile                                                           

Hebei Zhuanglai Chemical Trading Co.,Ltd. is a foreign trading company, specializing in developing and producing Chemical raw materials, pharmaceutical intermediates.It has its own factory, which procures itself a competitive edge in market.

For many years, our company has won many clients' support and trust because it always strives to make high-quality merchandise with favorable price. It commits itself to satisfy every clients, in return, our customer show great confidence and respect for our company. In spite of so many loyal customers won these years, Hegui keeps modest all the time and strives to better itself from every aspect.

We are looking forward to cooperating with you and having a win-win relationship with you. Please rest assured that we will satisfy you. Just feel free to contact me.

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Packing & Shipping                                                      

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FAQ                                                                                

Q1. What is your delivery term and delivery period?

We accept FOB, CIF, etc. You can choose the one which is the most convenient or cost effective for you. Competitive price with ready stocks; by Air within 7days, by sea within 14 days shipping after .


Q2. What's your main markets?

South&North America, Europe, Asia, Africa etc. Top customers among more than 80 countries; 30 years history; One-stop supplier.


Q3. What is the payment term? 

Normally we advise customers use Trade Assurance(is a free payment protection service for buyers is offered by Alibaba group), and we also receive T/T, Western Union or L/C.


Q4. Will you supply samples for test the quality?

We'd like to offer our customers samples for the quality evaluation for most products to develop business.



Company Profile Introduction

Hebei Zhuanglai Chemical Trading Co.,Ltd. is a foreign trading company, specializing in developing and producing Chemical raw materials, pharmaceutical intermediates.It has its own factory, which procures itself a competitive edge in market. For many years, our company has won many clients' support and trust because it always strives to make high-quality merchandise with favorable price. It commits itself to satisfy every clients, in return, our customer show great confidence and respect for our company. In spite of so many loyal customers won these years, Hegui keeps modest all the time and strives to better itself from every aspect. We are looking forward to cooperating with you and having a win-win relationship with you. Please rest assured that we will satisfy you. Just feel free to contact me.

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  • Since: 2024-04-14
  • Address: Room 201, Unit 1, Building 10, Huacheng Oasis South District, 169 Shengli South Street, Qiaoxi Distr
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