一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
+1 (818) 612-2111
RFQ
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

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
  • L Tryptophan

L Tryptophan

Price $36
Package 1KG/Tin
Min. Order: 10g
Supply Ability: 10Tons
Update Time: 2021-03-19

Product Details

Product Name: L Tryptophan CAS No.: 73-22-3
EC-No.: 200-795-6 Min. Order: 10g
Purity: 99% Supply Ability: 10Tons
Release date: 2021/03/19

Products Name:

L Tryptophan

Purity

99%

Appearance:

Off white powder powder

CAS

73-22-3

Molecular Formula

C11H12N2O2

Test Method

HPLC,UV

Molecular Weight

204.2252

Sample

Available

Storage

Two years

EINECS

200-795-6

Product Quality Standard
GB/T 25735
Sensory
White to yellowish crystal or crystal powder, odorless or slight odor.
Specific Rotation°
-29.0~-32.8
L-Tryptophan, %db
≥98.0
Loss on drying, %
≤0.5
Crude Ash, %
≤0.5
PH (1%w/w)
5.0-7.0
As, mg/kg
≤2
Pb, mg/kg
≤5
Cd, mg/kg
≤2
Hg, mg/kg
≤0.1
Salmonella 
Absent
Application
Feed
Grade Standard
Feed Grade, Food Grade, Medicine Grade
Appearance
Fine powder
Storage
Cool and dry place

Application:

Human: Nutritional supplement. Antioxidants. Tryptophan is human body important neurotransmitter - 5 - hydroxy tryptamine precursor, it is human body of one of the essential amino acids, Used for pregnant women nutrition supplements and milk preschool special milk powder; Used for nicotinic acid deficiency (pellagra) treatment medicine; As a sedative, regulate the spirit rhythm, improve sleep.

Animals: To promote animal feed, weaken the stress reaction, improve animals sleep, still can increase fetal and cubs of antibodies, improve the dairy cattle lactation. Reduce the ration of high-quality protein dosage, save feed costs, reduce ration protein feed consumption, save formula space and so onArticle illustration

Article illustrationArticle illustrationArticle illustrationArticle illustration

Company Profile Introduction

Welcome to Hebei Lihe Biotechnology Co., Ltd Our company located in Shijiazhuang CIty which is capital of Hebei province .Near Beijing and Tianjin port,Superior geographical location and convenient transportation, Our company is a modern high-tech Chemical Enterprise with Research & Development , Production and Sales . Our products export to America ,Korea , Japan , Germany , Finland , Malaysia and other countries and regions and favored by customers . Our company is engaged in production and sales of Plant extract , food additives ,pharmaceutical intermediates and other Chemical Raw materials . Our management principle is “ Integrity based ,win-win and solidarity cooperation ,innovative development “ We have advanced production and testing equipment ,professional management team and perfect after-sales service system to ensure the best quality product for the customers . We aim to “ Service and sincere in exchange for your trust and long-term support ,Mutual benefit and create win-win !” So welcome worldwide inquiries .

You may like

Recommended supplier

Product name Price   Suppliers Update time
$999.00
VIP2Y
HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
2026-06-05
VIP6Y
WUHAN FORTUNA CHEMICAL CO., LTD
2026-06-05
VIP6Y
RongNa Biotechnology Co.,Ltd
2026-06-05
VIP5Y
Sinoway Industrial co., ltd.
2026-06-03
$30.00
VIP5Y
Hebei Chuanghai Biotechnology Co,.LTD
2026-05-28
$31.00
VIP2Y
TargetMol Chemicals Inc.
2026-05-11
$31.00
VIP6Y
TargetMol Chemicals Inc.
2026-04-22
$1.00
Hebei Chuanghai Biotechnology Co., Ltd
2026-03-20
$5.00
VIP4Y
Hebei Dangtong Import and export Co LTD
2026-02-25
VIP2Y
Shaanxi Dideu New Materials Co. Ltd
2025-12-01
  • Since: 2020-07-30
  • Address: Room 1014,Building D,No.66 Yuhua Road ,Qiaoxi district , Shijiazhuang city , Hebei Province , China
INQUIRY
阳曲县| 韶山市| 东台市| 玉门市| 吉林市| 揭西县| 共和县| 巴彦淖尔市| 蓝田县| 武安市| 新龙县| 昆山市| 邢台市| 合川市| 赣榆县| 宜兰县| 三原县| 高要市| 鄢陵县| 宣汉县| 清水河县| 祁连县| 洮南市| 沙田区| 平阳县| 基隆市| 长海县| 祁阳县| 连城县| 监利县| 闸北区| 民权县| 肥乡县| 河津市| 武义县| 武城县| 称多县| 五峰| 铁岭市| 涟水县| 洪洞县|