Basic Info.
Certification
GMP, HSE, ISO ***1, USP, BP
Molecular Formul
C*1h*2n2o2
Product Description
Product Description
| Name |
Tryptophan L-Tryptophan |
|
Standard packing material |
Aluminum foil bag inside, then waterproof bag or
carton |
| Appearance |
White to yellow-white |
|
Purity |
*9% |
| Storage |
Preserve in tight,light-resistant containers in a cool
place |
Tryptophan, also known as β - indolyl alanine,
chemical formula C*1H*2N2O2, is one of the essential
amino acids for human body. The appearance is white or
yellowish crystal or crystalline powder,
odorless, slightly bitter taste. It is
slightly soluble in water, slightly soluble in
ethanol, insoluble in chlorofor m, easily
soluble in form ic acid, and soluble in
... or dilute hydrochlori c
acid. Tryptophan is an important precursor of auxin
biosynthesis in plants. Its structure is similar to that
of IAA, and it is ubiquitous in higher plants.
It is also the precursor of *-hydroxytryptamine, an
important neurotransmitter in human body. It can be used
as a nutritional supplement for pregnant women and a special milk
powder for infants. It can be used for niacin deficiency
(pellagra) and as a tranquilizer to regulate
mental rhythm and improve mental health Sleep is also one of the
raw materials of compound amino acid infusion
FAQ
Q1: MAY I GET ONE SAMPLE BEFORE PLACING
ORDER? Re: Yes, we'd like to
provide sample for you. For those normal
products, you just need to bear the freight; for
those high value products, you just need to freight and a
ite product cost. When we both cooperate for some times
or when you are our VIP customer, free sample will be
offered when you need.
Q2: WHICH PAYMENT IS AVAIL ABLE FOR YOUR
COMPANY? Re: In order to prompt our
cooperation, there are some payment methods for your
choice. T/T(USD),
West- erm union, Paypal, Credit card,
Alipay or Alibaba trade insurance all is ok. You can
choose the one which is convenient for you.
Q3: HOW AND WHEN CAN I GET MY GOODS AFTER
PAYMENT? Re: For small quantity
products, they will be delivered to you by intermational
courer(DHL, FedEx, TIT,
EMS, etc.) or by air.
Usually it will cost **5 days that you can get the goods after
delivery. For large quantity products,
shipment is better. It will cost days to weeks to come
to your destination port, which depends on where the port
is.
Q4: IS THERE ANY POSSIBLE TO USE MY APPOINTED LABEL OR
PACKAGE? Re: Sure. If
needed, we'd like to use label or package according to
your requirement.
Q5: HOW CAN YOU GUARANTEE THE GOODS YOU OFFER IS
QUALIFIED?
Re: We always believe honesty and responsibility are
basis of one company, so whatever products we provide for
you all are high qualifed. If the goods can't come to
the quality we promise, you can ask for
refund.
