API CAS 73

Basic Info.

Model NO.	73-31-4
Colour	White
Transport Package	1kg/Foil Box
Specification	201513
Trademark	best
Origin	Jiangsu
HS Code	2934999090
Production Capacity	100000ton/Years

Product Description

Melatonin is a hormone made by the pineal gland that can activates melatonin receptor. Melatonin plays a role in sleep and possesses important antioxidative and anti-inflammatory properties.
Chemical & Physical Properties

Density	1.2±0.1 g/cm3
Boiling Point	459.8±55.0 °C at 760 mmHg
Melting Point	116.5-118 °C(lit.)
Molecular Formula	C₁₃H₁₆N₂O₂
Molecular Weight	232.278
Flash Point	231.9±31.5 °C
Exact Mass	232.121185
PSA	54.12000
LogP	1.94
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.580
Storage condition	-15°C

Store in a cool and ventilated warehouse. Keep away from fire and heat source. The storage temperature should not exceed 32 ºC, and the relative humidity should not exceed 80%. Keep away from light. The package shall be sealed and shall not come into contact with air. Provide corresponding varieties and quantities of fire-fighting equipment. The storage area shall be equipped with leakage emergency treatment equipment and appropriate receiving materials.

Hebei Best Biological Technology Co., Ltd. is a modern advanced enterprise specializing in production and exportation of APIs,Pharmaceutical intermediates, peptides, plant extracts etc. Our products are widely used in medicine, health care products, cosmetics, nutritional supplements and food additives areas. our factory covers an area of 95 acres, the proposed construction of the plant will be GMP standards, the factory environment clean and tidy, rational layout, with large and medium-sized production workshop and repocessed shop. It is equipped with advanced equipment quality inspection and research center. Those products of both quality and technical content have reached the domestic advanced level. Since its establishment, the company has attached great importance to the team training and technical reform. Our modern production equipment guarantees for a fast and effective production with a superior degree of accuracy throughout the whole production line,everything is done in-house ,processing, extraction, packaging and transportation of all links ,ensuring maximum quality and efficiency. We are constantly research and development new ingredients and innovative new products, have earned the respect & admiration from the worldwide customers. After years of continuous development,company has been accumulated rich experience in international trade and customer resources, established a stable customer base and perfect marketing service network. In addition, the company has established long-term technical cooperation with experts and professors from many universities and research institutes in the province. Excellent quality, reasonable price, rapid delivery and good service ensure us to satisfy all kinds of your demands. If you are interested in us, please contact me

API CAS 73-31-4 Melatonine Powder Pharmaceutical Intermediates

Liquid:
Iron drum & plastic drum packaging
25kg per unit
100kg per unit
200kg per unit
1 ton per unit
Solid
Plastic bag & kraft paper bag & fiber drum
1kg per bag/drum
25kg per bag/drum
Packing:
1.Inner double plastic bags----25kg/Fiber drum (35*35*45cm, GW: 28kg,NW: 25kg);
2.Inner double plastic bags----5kg/Aluminum foil bag (GW: 6.5kg, NW: 5kg).
3.Inner double plastic bags----1kg/Aluminum foil bag (GW: 1.5kg,NW: 1kg).
Price negotiable based on order quantity
Payment Term West Union /Bitcoin/ Money Gram/TT
Delivery Time normally 5-10 days by express
Shipping way Express(EMS,DHL, TNT, FedEX, HKDHL, EUB, China Post, NL Post and other couriers), Door to Door
Shipping Period Within 5-12 days for most countries
Our advantages:
1.Own chemical factory
2.Abundant professional production experience
3.Sample is free of charge and in stock with fast delivery
4. Price,quality & service, we care that all you cares
5. Prompt reply keep in touch to save your times
6.Easily customs clearance, we're very good to all these controls
7.Dedicated researchers to make your

The FAQ
1: How do I start ordering or paying
You can either send your purchase order or just send a simple confirmation via email or trade manager and we will send you a proforma invoice with our bank details for your confirmation and then you can pay accordingly.
2: How to pay
We can accept L/C, T/T, Western Union, Money Gram, Paypal, etc
3: What's your minimum quantity of an order
For high value products, our minimum order quantity starts from 1G and generally starts from 10GS. For other low price items, our minimum orders start at 100g and 1kg.
4: When can you deliver the goods
If we have stock, we can usually arrange shipment 2 to 3 days after receiving payment. If not, the factory production time will prevail.
How to proceed an order?
Step 1: When you intended to buy something, pls send me an inquiry by email, wicker or whatsapp.
tep2: I will reply you with a quotation as soon as I receive you inquiry.
Step3: We will negotiate products, price, package, payment methods and so on.
Step4: You arrange the payment.
Step5: I will arrange the shipment after receiving you money.
Step6: The tracking number and the picture of the parcel will be sent to you.
Step7: Trace the tracking number on website until you receive

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