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ISO 26 Inquiries
73-31-4
0%
100g;1kg;25g
2022-12-31
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Product Description
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Seller Information
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Inquiry History
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Description

Melting point 116.5-118 °C (lit.) Boiling point 374.44°C (rough estimate) density 1.1099 (rough estimate) refractive index 1.6450 (estimate) Fp 9ºC storage temp. -20°C solubility Soluble in ethanol to at least 50mg/ml pka 16.26±0.46(Predicted) form Powder
Product description:Melatonin is a hormone produced by the pineal gland. Melatonin is highly conservative and is a non-receptor free radical scavenger and broad-spectrum antioxidant. Melatonin helps prevent ischemia-reperfusion injury of the liver, brain, myocardium, intestines and kidneys.





Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.


SHANDONG LOOK CHEMICAL CO.LTD, a new chemical enterprise in researching, manufacturing and supplying of chemicals located in beautiful "Spring City"-Jinan.Our company mainly working on the researching new-born APIs, intermediate ( especially Carbohydrate derivatives series). Meanwhile, we made huge breakthrough in industries of food, feed additives, cosmetics ,dye and industrial chemicals. Our company enjoyed great reputation both domestic and abroad under the belief of "Integrity management,Quality controlling and Customer orientation".
We had been cooperated with NingXia University and Shandong University on more than ten projects for years and which had been in mass production on the market. We now have more than 80 people in our team and built research center in Jinan and Ningxia. Our manufacturing site allocated in chemical industry parks of Zhangqiu, Heze, Dezhou and Ningxia Fine Chemical Park. We strictly complying with ISO9001 and ISO 2000 standard in manufacturing process, our lab and workshop tightly in accordance with GMP standard.Our products best selling in Europe, South and North America,Asia pacific area and Africa. We sincerely welcome new and regular customers around the world visit us for business negotiation.
FAQ- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.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.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.CertificatesBasic Info-
Product Name:
Melatonin
Other Name:Acetamide,N-[2-(5-methoxy-1H-indol-3-yl)ethyl]-;Acetamide,N-[2-(5-methoxyindol-3-yl)ethyl]-;N-[2-(5-Methoxy-1H-indol-3-yl)ethyl]acetamide;N-Acetyl-5-methoxytryptamine;Melatonin;Melatonine;5-Methoxy-N-acetyltryptamine;N-[2-(5-Methoxyindol-3-yl)ethyl]acetamide;Regulin;Melovine;Circadin;Melatol;NSC 113928;NSC 56423;3-(2-Acetamidoethyl)-5-methoxyindole;Melaxen;Slenyto;942407-96-7;1581233-31-9
CAS No.:73-31-4
Molecular Formula:C13H16N2O2
InChIKeys:InChIKey=DRLFMBDRBRZALE-UHFFFAOYSA-N
Molecular Weight:232.27800
Exact Mass:232.28
EC Number:200-797-7
HScode:2932999099
Categories:
Characteristics-
PSA:
54.12000
XLogP3:0.8
Appearance:Solid
Density:1.269 g/cm3
Melting Point:117 °C
Boiling Point:512.8ºC at 760 mmHg
Flash Point:264ºC
Refractive Index:1.6
Water Solubility:>34.8 [ug/mL]
Storage Conditions:-15ºC
Vapor Pressure:1.4X10-7 mm Hg at 25 deg C (est)
Toxicity:LD50 orally in Rabbit: > 3200 mg/kg
Hazard IdentificationClassification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
Pictogram(s) No symbol. Signal word No signal word
Hazard statement(s) none
Precautionary statement(s) Prevention none
Response none
Storage none
Disposal none
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Manufactory
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Main Products:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate
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Location:
hisense intelligence valley,no 2116,of phoenix road
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Payment Terms:
TT against copy of documents,D/P,L/C
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Average lead Time:
7
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Total Annual Revenue:
Less than $1 million
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Total Employees:
11-50
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Year of Establishment:
2017
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Inquiry History26 Inquiries
Country Product Purchase Quantity Date Posted
United States
High Purity 99% White Powder Melatoninfor Sleeping Promotion Cas 73-31-4 Melatonine
5 MT Jun 11, 2024
United States
China sleep Melatonine powder API Raw Material 99% Melatonin CAS 73-31-4
5 MT Jun 11, 2024
Pakistan
melatonin
25 KG Mar 4, 2026
Netherlands
Melatonin
50 G Jun 1, 2026
Lebanon
Melatonin
1 KG May 9, 2026
Germany
Melatonin
30 G Mar 17, 2026
Uzbekistan
Melatonine
100 KG Jan 26, 2026
India
Melatonine
50.00 KG Jul 16, 2025
United Kingdom
Melatonin
1000 MT Apr 22, 2025
India
Melatonin
5 KG Nov 18, 2024
Netherlands
Melatonin
500 G Jun 4, 2026
India
Melatonin
50.00 KG May 11, 2026
Egypt
Melatonin
10 KG Jan 20, 2026
India
Melatonin
50 KG Dec 5, 2025
Thailand
melatonin
25 KG Sep 22, 2025
India
MELATONIN
25 KG Sep 9, 2025
South Korea
melatonin
1 KG Jul 14, 2025
Pakistan
Melatonine
1000.00 KG Mar 25, 2025
India
Melatonin 99.5% White powder
1 MT Mar 15, 2024
India
Melatonin
1.00 KG Jan 5, 2024 Post an enquiry for this product
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