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Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order buy - image1

Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order buy - image2

Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order buy - image3

Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order buy - image4

Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order

26 Inquiries

Unit Price:

$50-60/BOU FOB

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CAS No.:

73-31-4

Grade:

Industrial Grade

Content:

99%

Port:

Guangdong

Packaging:

10mg/vial 10vials/box

Price valid (until):

2027-01-01

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HONG KONG BURSON POLYPEPTIDE R&D LIMITED

Company Type:

Trader

Location:

Hongkong, China

Qualification:

Main Products:

Tirzepatide,Retatrutide,Semaglutide,GHK-Cu

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Items	Specifications
CAS NO.	73-31-4
Product name	Melatonin
Purity	99%
Packaging	10mg/vial , 10vials/box
Payment term	Alipay, bank transfer, USDT, USDC and Bitcoin.
MOQ	10vials
Certificate	COA

This product is high-purity melatonin lyophilized powder produced with refined technology, purity ≥99%, with fine powder, stable properties and low impurities. It is suitable for scientific research, pharmaceutical intermediates and raw material R&D. Support customization, in stock with fast delivery, stable quality. Shop Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order-Detailed Image 1

Shop Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order-Detailed Image 2

Storage & Handling Instructions

Storage Conditions

Store in a dry, cool and dark environment, avoid direct sunlight and high temperature.
Recommended temperature: 2–8°C refrigerated for long-term storage.
For prolonged preservation, freeze at -20°C or below is preferred.
Keep sealed tightly to prevent moisture absorption and contamination.
Important Notes
- Do not freeze-thaw repeatedly; this will reduce product activity.
- Keep out of reach of children; handle with professional protection.
- Use reconstituted solution as soon as possible; any remainder must be refrigerated and used within a short period.

Function

Research on biological rhythm and circadian rhythm regulation
Sleep-related physiological pathway, cell and animal model studies
Antioxidant and neuroregulatory basic research
Pharmaceutical intermediate, reagent and raw material R&D
In vitro cell experiments, pharmacological and safety evaluation

Company Profile

Hong Kong Bosen Peptide Research & Development Co., Ltd. is a world-leading manufacturer and supplier of peptides and pharmaceutical raw materials, specializing in the chemical industry.

Our main products include peptide products and pharmaceutical raw materials. We possess strong research and development capabilities, exquisite synthesis technologies, and advanced quality control methods. We actively carry out joint ventures and cooperation with major enterprises and manufacturers, and adhere to the concept of industrial development to serve society and users. We always adhere to market demand orientation, and continuously develop new high-tech chemical products and pharmaceutical intermediates.

I am fully confident in the quality of our products, and many overseas customers have spoken highly of them after receiving the goods. Our products are of excellent quality, and we solemnly promise door-to-door delivery service worldwide. We provide high-quality after-sales service aimed at customer satisfaction.

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Shop Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order-Detailed Image 12

Our Advantage

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Shipping & Delivery

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Payment

Shop Melatonin | High-purity 99% | Freeze-dried powder | Available immediately upon order-Detailed Image 16

Basic 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:

Polypeptide

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

See More Melatonin Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions 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.

See More Melatonin Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Tirzepatide,Retatrutide,Semaglutide,GHK-Cu

Location:
RM 701, UNIT 108, 7/F, TWR B NEW MANDARIN PLAZA 14 SCIENCE MUSEUM RD TSIM SHA TSUI HONG KONG

Year of Establishment:
2026

Inquiry History

26 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
South Africa	99.8% 73-31-4 kuohuai Import and Export Trading Co., LTD	100 G	Jun 9, 2023
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
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

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