Hight Purity 99% Melatonin CAS 73-31-4 Melatonine Powder

• Customization: Available
• CAS No.: 73-31-4
• Formula: C13h16n2o2
• Model NO.: 73-31-4
• EINECS: 200-797-7
• Function: Sleep Disorders
• Appearance: Powder
• Color: White
• Package: Drum
• Transport Package: 25kg Drum or Request
• Origin: China

Product Description

Product Description

PRODUCT SPECIFICATIONS
Product Name:	Melatonin
Cas number:	73-31-4
Molecular formula	C13N2H16O2
ANALYSIS ITEMS	SPECIFICATION	TEST METHOD
Identification	IR	USP38
Identification	UR	USP38
Identification	HPLC	USP38
Characteristics	A white to off white crystalline powder. Slight Soluble in water	USP38
Assay(on the dried basis)	98.5~101.5%	USP38
Loss on drying	≤ 1.0%	USP38
Residue on ignition	≤ 0.1%	USP38
Chloride and sulfate	≤ 0.02%	USP38
Total impurity	≤ 1.0%	USP38
Individual impurity	≤ 0.1%	USP38
Lead (Pb)	≤ 1.0 mg/kg	USP38
Arseni (As)	≤ 1.5 mg/kg	USP38

 

Function & Application     

1.Melatonin used in pharmaceuticals as active materials

2.Melatonin used in nutritional supplement which is benefit for sleep disorders

3.Melatonin used in cosmetics as antioxidant

Company Profile 
    
Hebei Fengjia New Material Technology Co., Ltd can offers variety of products which can meet your multifarious demands.  We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers.  Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.


Packaging & Shipping    

We accept International Express--Fedex/DHL/UPS, air shipping and sea shipping
Storage: Storein cool & dry place. Do not freeze. Keep away from strong light and heat.
Shelf life: two years when properly stored.
Shipping method: International express by air, by sea, UPS and EMS service.

Cargo weight	Packing	Shipping method	Lead-time
1-50kg	Below 5kg Use Foil bag; 5-25kg use two layer PP bag,then into master carton or cardboard drum	International express (Fedex/ DHL/UPS)	1~3 days after payment
100-200kg	25kg/drum,use two layer PP bag,then into cardboard drum	Air shipping Sea Shipping	5~7 days after payment
Over 500kg	25kg/drum,use two layer PP bag,then into cardboard drum	Sea shipping	7~10 days after payment

FAQ     

Q1: How can I get a sample?
A: Free samples is available. You only pay shipping cost.
Q2: Which payment terms do you accept?
A: Payment can be done by T/T, Western Union,Money Gram,etc.

Q3: How to confirm the Product Quality before placing orders?
A: Every product is with professional COA. Please be sure about the quality.If any doubt, sample is available to you to be tested before large quantity order.

Q4: When will my order be shipped?
A: Within 3 working days after the payment.

Q5: How do you treat quality complaint?
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.