Guanlang can always make the product quality best, some of the products from Guanlang.This is the important reason for customers who choosing Crovell.In future, Guanlang must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.
High purity Melatonine powder CAS 73-31-4 in stock
Price | USD10.00 |
Packge | 50Kg/Drum |
- Min. Order:1KG
- Supply Ability:100 TON
- Time:2022-08-17
Product Details
- Product NameMelatonine
- CAS No.73-31-4
- EINECS No.201-793-8
- MFC13H16N2O2
- MW232.28
- InChIKeyDRLFMBDRBRZALE-UHFFFAOYSA-N
- AppearancePowderwhite to off-white
- storage temp. -20°C
- Melting point 116.5-118 °C (lit.)
- Boiling point 374.44°C (rough estimate)
- density 1.1099 (rough estimate)
Melatonine cas 73-31-4
Product Name:Melatonin powder
Cas No.:73-31-4
EINECS:200-797-7
Molecular formula:C13H16N2O2
Molecular weight::232.2783
Appearance:white crystalline powder
Assay: 99%
Melatonine specification:
ITEMS |
STANDARDS |
RESULT |
Identification |
positive reaction |
comply |
Loss on drying |
MAX 0.5% |
0.18% |
Residue on ignition |
MAX 0.1% |
0.07% |
Heavy metal |
MAX10ppm |
comply |
Clarity and degree of opalescence of liquids |
1%ethanol and chloroform Solution |
comply |
Particle size |
80-120mesh |
comply |
related substances |
Max0.1% |
comply |
residual solvents: ethanol |
Max 1000ppm |
comply |
total viable count |
||
yeast and moulds |
Max300cfg/g |
comply |
e. coli |
Absence/g |
comply |
salmonella |
Absence/25g |
comply |
HPLC |
≥99.5% |
99.55% |
Melatonine picture show:
Melatonine Function:
a. Helps regulate other hormones and maintain the body's circadian rhythm.
b. Melatonin also helps control the timing
c. Melatonin helps determine
d. Melatonin has strong antioxidant effects.
e. Release of female reproductive hormones.
Guanlang can always make the product quality best, some of the products from Guanlang.This is the important reason for customers who choosing Crovell.In future, Guanlang must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.
why choose our company
our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price
we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
we can do according to the customers' request.
4.transport
ems,dhl, tnt, ups ,fedex, by air, by sea
dhl express, fedex and ems for quantity less than 50kg, usually called as ddu service;
sea shipping for quantity over 500kg; and air shipping is available for 50kg above;
for high value products, please select air shipping and dhl express for safe;
5.service
we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes
us able to offer you one-stop service from the order to the products transported to your hand.
we will try our best to satisfied you.
1. tailor-made for every customers.
2. third-party test for the products you demand.
3. test your counter-samples and produce them for you.
4. best discount for old customers.
Company Profile Introduction
Hebei Guanlang Biotechnology Co., Ltd. was founded in 2007, located in Shijiazhuang City, which is the capital of Hebei Province and hub sector among Beijing, Tianjin, and Hebei. We have the advantage of convenient transportation. Our company is a modern high-tech chemical enterprise with Research & Development, production and sales. |
In recent five years, the company has implemented the strategy of "going out" vigorously. We has established our branches in Hubei China, Vietnam and Mexico, making our market and sales network more and more perfect. Our company will continue to adhere to the strategic positioning of fine chemical industry in the future and competition ideas of irreplaceable product differentiation, and strive to become to the leading of Chinese chemical industry. |
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- Address: No.66 Yuhua West Road, Qiaoxi District, Shijiazhuang City, Hebei Province