Melatonin is a chemical product listing on XCHEMI (https://www.xchemi.com), offered by Shandong Lanyuguang Chemical Co., Ltd for international B2B procurement. The CAS Registry Number shown on this listing is 73-31-4. Specifications on this page are provided by the supplier; confirm critical attributes before purchase.

What is the CAS number for this listing?

This XCHEMI product page lists CAS 73-31-4 for Melatonin. CAS numbers help align chemical identity across suppliers and regions. Always verify identity, grade, and impurity profile with supplier documentation (e.g., COA) before use in regulated processes.

How can I request a quotation or buy Melatonin?

Use the XCHEMI marketplace actions on this listing (https://www.xchemi.com/product/115305200056223620.html) to contact Shandong Lanyuguang Chemical Co., Ltd and request a quotation (RFQ). Offer price and currency—when shown—come from the supplier listing and may vary by quantity and shipping terms.

What purity, grade, and packaging are listed?

Purity: 99%. Appearance: white to off-white Powder.

How should chemicals be stored and handled?

Follow supplier SDS / label instructions, local regulations, and your site safety program. XCHEMI is a B2B marketplace; obtain current SDS and handling guidance from Shandong Lanyuguang Chemical Co., Ltd before receipt, storage, or use.

What are typical applications for Melatonin?

Applications depend on industry segment and process requirements. Use this listing as a sourcing lead and validate fitness-for-purpose with Shandong Lanyuguang Chemical Co., Ltd for your intended use (e.g., synthesis, formulation, manufacturing).

Is a safety data sheet (SDS / MSDS) available?

Request SDS/MSDS and regulatory documents from Shandong Lanyuguang Chemical Co., Ltd through XCHEMI quotation or supplier contact. Marketplace summaries do not replace official safety documentation.

Who is the seller for this product on XCHEMI?

Shandong Lanyuguang Chemical Co., Ltd is identified as the seller on this listing. You can open the supplier storefront from this page when available to review company profile and other listed chemicals.

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Melatonin

Reference Price >

¥ 130.00 Market Price

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Characteristic >

CAS No.:73-31-4

Brand:-

Lead Time:-

Minimum order quantity:1000 kg

Multiple Specs‌ And Other Price Factors >

Packing:

25kg

Payment terms:

100% T/T in advance

Other

Quantity >

/kg

Shipping >

Shipping fee and delivery date to be negotiated.

Item subtotal（ 1 /kg ） ¥ 130.00

Shipping total To be negotiated

Subtotal ¥ 130.00

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Contact Supplier

Shandong Lanyuguang Chemical Co., Ltd

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Room 511, Building 4, Wangfujing Apartment, No. 1199 Tianmushan Road, Wenhui Street, Dongying District, Dongying City, Shandong Province

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Product Details & Description

Product Info

Product Name Melatonin

CAS No. 73-31-4

Catalog No. HH115301827136723619

Brand -

Purity 99%

Packing -

Package -

Lead Time -

Origin -

Loading Port -

Chemical Identifiers

Melting Point 116.5-118 °C (lit.)

Boiling Point 374.44°C (rough estimate)

Water Solubility -

Density 1.1099 (rough estimate)

Storage Temp -20°C

Flash Point 9℃

Stability Stable under normal temperatures and pressures.

Appearance white to off-white Powder

Refractive Index 1.6450 (estimate)

Product Info

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Product

Melatonin

CAS No.

73-31-4

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Other Supplier Reference

Product name

Purity

Packing

Lead Time

Country

Company Name

Details

Melatonin

99%

25 kg

China

Shandong Lanyuguang Chemical Co., Ltd

Request For Quotation

Melatonin

99%

China

Hunan Oasis Plant Resources Development

Request For Quotation

Melatonin

99%

10g/1kg/ 10kg/ 25kg

China

Shanghai OuDaXin New Material Technology

Request For Quotation

Melatonin

JIAXING HUILI BIOLOGICAL TECHNOLOGY CO.,LTD.

Request For Quotation

Melatonin

99%

1kg/bag;25kg/Cardboard Drum

China

XI'AN ZHONGSHI BIOENGR CO.,LTD.

Request For Quotation

Melatonin

99%

Bottle,barrel,cargo,container,etc.

China

LEAP CHEM CO., LTD.

Request For Quotation

Melatonin

Hangzhou Fortune Biopharm Co.,LTD.

Request For Quotation

Melatonin

5ml

China

Weiyel Inc

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Melatonin

99%

10mg*10vials

China

Hebei Tengchu Trading Co., LTD

Request For Quotation

Melatonin

99%

1kg/bag,25kg/drum,25kg/bag

China

Shanghai Lonwin Chemical Co.,Ltd

Request For Quotation