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Melatonin Factory Wholesale High Purity Hot selling 10mg 99%Purity

TDS 26 Inquiries

Unit Price:

$20-23/G FOB

Get Latest Price 

CAS No.:

73-31-4

Grade:

Pharma Grade / Research Grade

Content:

99%

Port:

GUANGZHOU

Brand:

Packaging:

10 mg/vial

Price valid (until):

2026-07-25

Contact Supplier

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Tianjin Huifeng Technology Co., Ltd.

Company Type:

Trader

Location:

China

Qualification:

Main Products:

peptides

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Product Description
Seller Information
Inquiry History

Description

Product Detail

NAME: ANNA
WHATSAPP:+8619933210924
+852 5504 3622
EMAIL:sales02@yw-jl.cn
Welcome to concult

Manufacturer advantages

—— Basic Introduction ——

Name: Melatonin

CAS#: 73-31-4

Molecular Formula: C13H16N2O2

Molecular Weight: 232.28

Sequence: N/A Small Molecule

Appearance: White Powder

Purity (HPLC): ≥99.0%

Single Impurity (HPLC): ≤1.0%

Moisture Content (Karl Fischer): ≤10.0%

Peptide Content: ≥80.0%

Storage: Store at -20℃ degrees Celsius in a dry and cool place.

Storage Condition: Store at -20°C

Solubility in DMSO: 3mg/mL

What is Melatonin used for?

Melatonin is an endogenous neurohormone that regulates human circadian rhythm and neuroendocrine balance. It modulates the body’s biological clock, improves sleep disorders caused by rhythm disorders, and relieves oxidative stress. It is widely used in sleep regulation research, neuroendocrine studies and daily physiological conditioning.

What does Melatonin do to your body?

Melatonin stabilizes circadian rhythm and optimizes neural physiological states. It regulates hormone secretion, calms nervous tension, and improves sleep quality and nighttime rest efficiency. It also provides antioxidant protection, relieves cellular oxidative damage, and maintains stable physical functions.

What effect can you get with Melatonin?

Persistent standardized use of Melatonin effectively adjusts irregular sleep cycles and relieves insomnia and light sleep issues. It alleviates fatigue and mental sub-health caused by poor rest, stabilizing physical and mental states with mild bionic regulation safer than traditional conditioning products.

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——Peptide Storage Guidelines——

When storing peptides, remember to:
• Store peptide in a cold, dry, dark place
• Avoid repeated freezing and thawing of peptide
• Avoid overexposure to the air
• Avoid light exposure
• Avoid storing peptides in solution long term
• Aliquot peptide according to experimental requirements

——FAQ——

Q1: Are you a supplier or a manufacturer?
A: We are both a supplier and a manufacturer.
Q2: How do you make the delivery?
A: We have established stable cooperative relationships with DHL, TNT, UPS, FedEx, EMS, China Post Air Express, etc. For container transportation, we can arrange for sea shipping; you can also choose your own freight forwarder.
Q3: What payment methods do you accept?
A: We accept Bitcoin and USDT.
Q4: How about the after-sales service?
A: We offer high-quality products and guarantee 100% safe delivery.
Q5: How do you ensure product quality?
A: We will send you the analysis report (COA) of the sample to confirm the quality.
Q6: How can we verify the quality of the products before placing an order?
A: For some products, free samples are available. You only need to bear the shipping cost or arrange for a courier to pick them up. You can also provide the product specifications and requirements, and we will produce them accordingly.
Q7: Are there any discount offers?
A: Yes, the larger the order quantity, the more favorable the price will be.

——Product Description ——

Melatonin exhibits outstanding efficacy in circadian rhythm regulation, sleep quality optimization and endogenous antioxidant protection compared with common bioactive ingredients. As a high-activity natural bionic hormone substance, it has high binding affinity for human neuroendocrine receptors. This unique regulatory mechanism effectively relieves sleep disorders, nervous tension and cellular oxidative aging without causing physiological dependence or adverse side effects. Relevant pharmacological studies confirm that Melatonin perfectly mimics natural human circadian regulatory activity, safely and efficiently adjusting biological clock rhythm, stabilizing neuroendocrine levels and optimizing overall physiological conditions. It is widely used in sleep regulation research, neuroendocrine conditioning research and daily physical regulation, providing a safe and natural alternative to traditional sleep and physiological adjustment methods.

——Company Profile——

Tianjin Huifeng Technology Co., Ltd. is a company specializing in the production of various peptide products and chemical raw materials. We have a professional R&D team and an efficient and reliable logistics team to ensure that you can receive high-quality products safely and on time. Our customers are located in the United States, Europe, Japan, South Korea, India, and other regions. Most of our main products are in stock and can be shipped immediately. Please inform us of your specific quantity requirements, and we will provide you with the most competitive prices. Welcome to contact us at any time for more information.
We offer a wide range of peptide products, which are widely used in life science research, drug development, cosmetics, anti-aging medicine, and functional health supplements. We guarantee excellent product quality and competitive prices. Customers who have ordered our peptide products have always given high evaluations. We sincerely welcome reliable buyers from all over the world to contact us and negotiate business cooperation for peptide products. 1. Outstanding Product Quality
Product quality is the foundation of our business. Our peptide compounds are synthesized using the solid-phase peptide synthesis method (SPPS), purified by high-performance liquid chromatography (HPLC), and verified by mass spectrometry (MS).
Each batch of products comes with an analysis certificate (COA), which contains key data: ••• Purity (HPLC) • Molecular weight (MS) • • • Moisture content • • • Residual solvents • • Microbial limits (if applicable).
For customers with stricter regulatory requirements, we can also provide third-party testing reports, endotoxin (LAL) data, and stability study documents. 2. Customized Services and R&D Support
We provide flexible customized synthesis services and support from an experienced R&D team. Whether you need a new peptide sequence, cosmetic-grade purity, or modified molecules (such as PEGylation or acetylation), we can deliver high-quality products on time. Our services include:
•• Custom peptide synthesis (milligram to kilogram level)
••• Peptide modification and labeling
•• Small molecule synthesis
• Project-based R&D and large-scale production
We work closely with our clients to ensure technical feasibility, rapid delivery, and cost control throughout the entire development cycle. 3. Diverse product portfolio
We offer a wide range of products that are continuously expanding:
••• Peptides: GLP-1 analogues (such as sitagliptin, tazapetide, retactide, etc.), cosmetic-grade peptides (such as acetyl hexapeptide-8, Matrixyl, etc.), anti-aging peptides, and research-grade peptides.
•• Small molecule compounds: Cognitive enhancers, NAD+ precursors/promoters (such as NMN, NR, NADH) and intermediates.
• Biochemical products: Amino acid derivatives, enzyme cofactors, and custom reagents.

Shop GMP Certified Peptide Factory Melanotan 2 Acetate MT-210mg Lyophilized Powder for Export-Detailed Image 4

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——Payments ——

We support payment methods including Alipay, bank cards and USDT

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——Modes of transport ——

We offer global shipping via EMS and FedEx with full tracking and secure delivery to all regions worldwide.

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Items	Specifications
CAS number	73-31-4
Purity	99%
Appearance	White powder

Certificates

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:
peptides

Location:
No. 85, Qingnian Road, Hongqiao District, Tianjin

Total Annual Revenue:
$5 million-$10 million

Total Employees:
51-100

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
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

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