Factory in stock quality CAS 73-22-3 L-Tryptophan 99%
Hot selling CAS 73-22-3 L-Tryptophan high quality food additive
Feed additive CAS 73-22-3 L-Tryptophan China supplier
This is Sarah,if you need samples, please feel free to contact me!
Product Description
High quality L-Tryptophan with best price CAS 73-22-3
| Product name |
L-Tryptophan |
| CAS NO. |
73-22-3 |
| Other names |
L-Tryptophan, Animal-Free |
| Molecular weight |
204.23 |
| Molecular formula |
C11H12N2O2 |
| Purity |
99% |
| Appearance |
Powder |
| Storage |
Cold dry place |
| Package |
25kg/drum |
Product Usage
L-tryptophan is a neutral aromatic amino acid containing indolyl, white or slightly yellow leaf shape crystal or powder, solubility in water 1.14 g(25°C), soluble in dilute acid or dilute base, stable in lye, decomposition in strong acid. Slightly soluble in ethanol, insoluble in chloroform, ether.
A nutritional supplement. The tryptophan contained in egg white protein, fish, corn meal, etc. is the limiting amino acid, and the content of rice and other grains is less. It can be combined with lysine, methionine and threonine to strengthen amino acids. The titer of protein can be significantly increased by adding Chemicalbook0.02% tryptophan and 0.1% lysine to corn products. An important component of amino acid infusion and synthetic amino acid preparation. It can treat niacin deficiency.
Q1:Are you Support DDP?
A: Yes, we can delivery by special line, DDP, Please don't worry about customs clearance and customs duties.
Q2:Are you a manufacturer?
A: Yes, we are factory located in Hebei province.
Q3:Do you accept sample orders?
A: Yes,we welcome sample orders to test and check our product quality. Your reliance is the first step of our cooperation.
Q4: What kind terms of payment can be accepted?
A: We'd like to accept T/T, West Union, L/C, Money Gram,Paypal.
Q5: Which information in the inquiry you should send us?
A: Chemical name/ CAS No./exact quantity/ usage or field/destination port/other special requirements.
Q6: Is there any discount?
A: Yes. The price is negotiable. It depend on your qty.
Q7:How long does it take to the goods arrived?
A:Depending on your location, For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS. For mass order,
please allow 5-8 days by Air, 20-35 days by Sea.
Q8:How do you treat quality complaint?
A: First of all,our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us,
we will send you free goods for replacement or refund your loss.
Audited Supplier 
Audited Supplier 
){kind=link}
){kind=link}