Food online > Products > Food Additives >

L-Tryptophan CAS 73-22-3,China Qihai Chemicals price supplier

L-Tryptophan CAS 73-22-3

FOB Price:Price can be negotiated

Production Capacity:1000 Kilogram/Kilograms per Month

Payment Terms: US $1 - 100 / Kilogram

Update Time:2011-06-09

Contact Supplier

Product Description

Qihai L-Tryptophan
Quality Standards: USP/EP/BP/AJI
ISO,GMP,KOSHER Certified
Reliable Quality
Competitive Price

l-tryptophan

Chemical Name: 2, 4, 5, 6-Tetrachloropyrimidine
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23
CAS No: 73-22-3
Characteristics:
Quality Standards: FCCIV, USP24 and etc.

Item	Specifications
Item	USP24	FCCIV
Appearance	White crystals or crystalline powder
Assay,%(on dry matter)	98.5~101.5	98.5~101.5
Specific optical rotation	-29.4º ~ -32.8 º	-30.0º ~ -3 3.0 º
pH Valu e	5.5~7.0	- - -
Loss on drying, %	≤ 0.3	≤ 0.3
Heavy Metals (as Pb), %	≤ 0.00 1 5	≤ 0.002
Residue on ignition, %	≤ 0.1	≤ 0.1
Chloride (as Cl),%	≤ 0.05	- - -
Sulfate (as SO4), %	≤ 0.03	- - -
Arsenic (as As), %	≤ 0.00015	≤ 0.00015
Iron, %	≤ 0.003	- - -

Other Products

L-Arginine Base

L-Asparagine Mono

Tri-Creatine Malate 400mg Capsules

Creatine monohydrate CAS NO 6020-87-7

Company Profile

Name: Nantong Qihai Chemicals International Group

Address: 21#,Yongxing International

CAS No.: 73-22-3	Other Names: L-Tryptophan	MF: C11H12N2O2
EINECS No.: 252-706-5	FEMA No.: 3246	Place of Origin: Jiangsu China (Mainland)
Type: Enzyme Preparations, Nutrition Enhancers,...	Brand Name: Qihai Chemicals	Model Number: USP
White: White