API Materials Amino Acid L-Tryptophan CAS 73-22-3

• Type: Tryptophan
• Chemical Character: Neutral
• Appearance: Powder
• Model NO.: XDCC-LP
• Application: Additives
• Certificate: ISO9001/Kosher
• Storage: Far Away From Strong Oxidants
• Shelf Life: 2 Years
• Mf: C11h12n2o2
• CAS: 73-22-3
• Molecular: 204.23
• pH: 5.4-6.4
• Transport Package: 1kg/Alu Bag
• Specification: 99%
• Trademark: XDCC
• Origin: China
• HS Code: 2933999000
• Production Capacity: 1000 Mt/Year

Product Description

API Materials Amino Acid L-Tryptophan CAS 73-22-3

Applications:

1. Amino acid medicine. Used for amino acid infusion.
2. Often used in combination with iron, vitamins, etc., and VB6 to improve depression and prevent and treat rough skin disease.
3. Used as an insomnia sedative in combination with L-dopa to treat Parkinson's disease.

Spec:

Content	≥98.5
PH	5.4~6.4
Chloride/%	≤0.02
Sulfate/%	≤0.02
Ammonium salt/%	≤0.2%
Specific rotation(10mg/mLH2O)	-30°~-32°
Transparency of solution(0.5g/20mL,HCl430nm)/%	95.0%
Other amino acids/%	0.5
Loss on drying/%	≤0.2
Residue on ignition/%	≤0.1
Heavy Metals%	≤0.0001
Iron salt/%	≤0.002
Arsenic salts/%	≤0.0001

Q&A

Q1.Are you a factory or trading company? 
A:Yes,we are factory,but not just a factory,as we have sales team,own designers,own showroom ,can help buyers to decide which products are their best choice,and all your inquiry will be replyed within 24 hours.
 
 
Q2:Could you send me all your catalogues and price list?
A:As we have more than thousands of items,even 1 item have different size and package,it is really too hard for us to send you all our catalogue and price list for you.Please inform me the items,size and packages you interested in ,so we can offer you the price list you want for your reference .
 
Q3.How can I get some samples? 
Kindly send us your address, we are honored to offer you samples. 
 
 
Q4. How does your factory do regarding quality control? 
Our factory has gained ISO9001 2008 and REACH
 
 
Q5:What's your Delivery Time?
In generally, the delivery time is 15 days-20 days.We will make the delivery as soon as possible with the guaranted quality.
 
 
Q6:What is the convenient way to pay?
A:L/C , T/T ,Paypal, Western Union and Escrow are accepted,and if you have better idea , please feel free to share with us 
 
 
Q7:Which mode of transport would be better?
In general,we advice to make delivery by sea which is cheap and safe.Also we respect your views of other transportation as well.