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Melatonine CAS-73-31-4 Custom beauty ingredients Whitening and brightening spots

TDS 27 Inquiries

Unit Price:

$20-25/G FOB

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CAS No.:

73-31-4

Grade:

Research Grade

Content:

99%

Port:

GUANGZHOU

Brand:

Packaging:

10mg/vial

Price valid (until):

2026-07-17

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

Basic Information

WhatsAPP:+85255073603

＋19933204008
Email：sales01@yw-jl.cn

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1. Product Name: Melatonine (Melatonin)
2. CAS No.: 73-31-4
3. Purity: ≥99% HPLC Tested, low impurity content
4. Appearance: White fine crystalline powder
5. Grade: Cosmetic Grade, skin-safe raw material
6. Custom Service: Custom particle size, private label and packaging
7. Storage: Sealed at 2-8℃, avoid light and high temperature
8. Support Documents: COA, HPLC, heavy metal test report

Category	Peptides	Purpose	Beauty products
Bottle Color	Transparent	Model	MT10
Purity	99%	Storage	Dry Cool Sealed Container
Specification	5mg	Form	Lyophilized Powder(Freeze-Dried Powder)

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Product Description

Melatonine CAS 73-31-4 is high-purity custom cosmetic whitening raw material with 99% HPLC purity. As a natural skin circadian regulating ingredient, it inhibits melanin transfer, fades sun spots and post-acne pigmentation, brightens dull skin tone. It also eliminates skin free radicals, relieves photoaging and fine lines. Note that it is prone to oxidation under strong light, so light-proof packaging is recommended for finished formulations. We support customized powder mesh, private label and exclusive packaging. Every batch provides COA, HPLC and heavy metal test reports. Fast global door-to-door shipping, both small trial samples and large bulk wholesale orders are supported.

Payment Method

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Packaging and Delivery

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Q&A

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 .

Company Profile

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.

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

27 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
United Kingdom	melatonin powder	100 G	Jul 6, 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

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