Factory Supply CAS 73-31-4 Improving Sleep Raw Material Melatonin

• Powder: Yes
• Customized: Non-Customized
• Certification: COA
• Model NO.: CZY-Melatonin
• Suitable for: Adult
• State: Powder
• Purity: >99%
• Shape: Customizable
• Transport Package: Bottle
• Specification: 99.9%
• Trademark: CZY
• Origin: Shaanxi
• Production Capacity: 500000 Pieces

Product Description

ITEMS	STANDARDS		RESULTS
Appearance	White or off-white crystalline powder		Off-white crystalline powder
Identification	By IR		Complies
	RT under chirality should complies		Complies
	Chloride: it gives a reaction of chloride		Complies
Water	3.0%~4.5%		3.4%
Melting Point	198.0~202.0ºC		199.8~200.5ºC
Residue on Ignition	≤0.2%		0.08%
Heavy Metals	≤10ppm		Complies
Related Substances	Individual Impurities:≤0.5%		0.15%
	Total Impurities:≤1.0%		0.22%
E.E	≥99.0%		99.6%
Assay (on dry basis)	98.0%~102.0%		101.2%

 

 

Q1: Which kind of payment terms do you accept?
You can pay by T/T ,Western Union or Trade Assurance .

Q2: Can you give me a discount price?
Surely,It depend on your quantity.

Q3: How can I get a sample?Free samples is available,but freight charges will be at your account and the charges will be return
toyou or deduct from your order in the future.

Q4: How to confirm the Product Quality before placing orders?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the
samples.You can send us your product specifications and requests,we will manufacture the products according to your requests.

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.