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Postion:Product Catalog >API>Drugs Influencing Immune Function>Immunomodulators>Melatonine
Melatonine
  • Melatonine
  • Melatonine
  • Melatonine
  • Melatonine

Melatonine NEW

Price $10
Package 50kg
Min. Order: 1kg
Supply Ability: 100 TON
Update Time: 2024-10-30

Product Details

Product Name: Melatonine CAS No.: 73-31-4
EC-No.: 201-793-8 Min. Order: 1kg
Purity: 99.5% Supply Ability: 100 TON
Release date: 2024/10/30
Product Description

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%

 


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Packaging & Shipping
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why choose our company

1. quality

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.
 
3.packing

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 Weibang Biotechnology Co., Ltd. is a professional chemical products company that is widely praised for providing high-quality, cost-effective chemical raw materials. 1. Strong professional ability: We have a team composed of many experts with rich experience and sales staff with very high professional level, with outstanding professional ability. 2. Good product quality: The company strictly controls the quality of its products, and all products comply with relevant national standards to ensure that it provides customers with the highest quality products. 3. Product prices are affordable: We are customer demand-oriented and provide the most competitive product prices to ensure that customers can get the greatest value return. 4. Good service: The company aims at customer satisfaction and provides all-round and thoughtful services. Hebei Weibang Biotechnology Co., Ltd. Currently specializes in the production and trade of flavors and fragrances, daily chemicals, detergents, UV absorbers / light stabilizers, and chemical additives. From product production, transportation to export, all are managed by our own team Responsible for the production department, a closed loop is formed to provide customers with very cost-effective and high-quality chemical raw materials. After several years of hard work in the Chinese and international chemical markets, Weibang has received positive responses and recognition from many customers and has moved itself towards the international market. In the future, Weibang will continue to invest very high-quality services and products in the global chemical market to further expand our market, further enhance our professional level, and bring real benefits to global customers. Hebei Weibang Biotechnology Co., Ltd. Has won the trust and praise of customers with its professional technical capabilities, high-quality product quality, affordable product prices and good services. If you are looking for a professional chemical products co

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  • Since: 2015-05-06
  • Address: Yuhua West Road, Qiaoxi District, Shijiazhuang,Hebei, China
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