How about delivery time/Transportation?

We usually ship the goods within 3-5 days after your order. We usually use: international express, air transportation, sea transportation, railway transportation.

How to solve the after-sale disputes?

First confirm the problem and remedy timely. If it cannot be restored, after a clear responsibility, we accept the replacement of goods or refund.

Melatonin >99% Antioxidant Regulate CAS No 73-31-4 Body Condition Improve Sleep

Name: Melatonin >99% Antioxidant Regulate CAS No 73-31-4 Body Condition Improve Sleep
Brand: Shaanxi Qingya Biotechnology Co., LTD
SKU: 2095156295

Shaanxi, ChinaShaanxi Qingya Biotechnology Co., LTD

US$200.00-220.00

1 kg

Sample price:US$2.00/10g.Request sample

Product profile

Customization

Available

CAS No.

73-31-4

Formula

C13h16n2o2

Model NO.

>99%/80mesh

EINECS

200-797-7

Packaging Material

Bag or Drum

Storage Method

Normal

Shelf Life

>12 Months

Nutrient Composition

Melatonin

Resource

Natural

The content of active substances

＞90%

Transport Package

Bag Carton Drum

Specification

>99%

Trademark

Qingya

Origin

China

HS Code

2938999099

Production Capacity

1000kg/Month

Key features

High Purity Melatonin: Melatonin content is greater than 99%, detected by HPLC method.

Natural Source Ingredient: Derived from natural sources with a molecular formula of C13H16N2O2.

Sleep Quality Improvement: Regulates circadian rhythms to deepen sleep and improve overall quality.

Antioxidant Protection: Protects nuclear DNA from lesions and helps prevent cancer risks.

Immune System Regulation: Regulates cellular and humoral immunity as well as cytokine activity.

Flexible Packaging Options: Available in 1kg aluminum foil bags or 25kg cardboard drums.

Strict Quality Control: Production follows ISO9001:2008 system with COA provided for reference.

Fast Delivery Service: Goods are usually shipped within 3-5 days after order confirmation.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Shaanxi Qingya Biotechnology Co., LTD

Shaanxi, China

Business Type: Trading CompanyExport Year: 2018-01-31Nearest Port: shanghai, qindao, shengzhenAverage Response Time: ≤0.93hTerms of Payment: T/T, LC, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory and limited company located in Xi'an, China, with four employees and a valid import/export license. It reports ODM and OEM capabilities, sample-based customization, new product launches during the past year, and export sales representing 71%–90% of total sales. However, its overseas service infrastructure is limited: it has no overseas warehouse, showroom, agent, branch, or offline trade-show participation. Service-management documentation is also weak, with no written assessment or corrective-action procedures and no written complaint-handling records. Financial information is limited to references to 2020–2022 financial and cash-flow records without performance figures, so financial credibility cannot be fully assessed. No certification information, production-scale evidence, or customer case evidence is provided.

Supplier typeThe supplier is described as a factory, legally organized as a limited company, and located in Xi'an, China. It has four employees and is not part of a larger company group, indicating a small independent operating structure.

After-Sales capabilityThe supplier has a complaint-handling procedure, but no written records; it also lacks written service-capability assessment and corrective/preventive-action procedures. It has no overseas warehouse, showroom, agent, branch, or offline trade-show experience, although stated lead times are within 15 working days in both peak and off-season.

R&D capabilityThe supplier reports launching new products during the past year and provides ODM services. However, it has no available SDK, and the information does not quantify its R&D resources or product-development output.

Customization capabilityThe supplier explicitly offers customization from samples and provides ODM services. It also reports OEM service for well-known brands, supporting a positive assessment of its customization and contract-manufacturing capability.

Product Q&A

Q:How to confirm the Product Quality before placing orders?

We will provide you with some free samples. We can also provide product customization services according to your requirements.

Q:Can you supply free samples?

Yes, we can provide some free sample, but the shipping cost should be on the customers' account. You can either pay the shipping cost or arrange a courier to collect the samples.

Q:Is there a discount? What is the payment method?

Yes, we will give you the best price according to the number of different products you need.We usually use T/T, other payment methods can be negotiated with the customer for payment.

Q:How do you control the quality of the product?

First of all, the production qualifications and production capacity of manufacturers will be examined, and the quality control of the product will strictly follow the ISO9001: 2008 management system. We will also test the product to ensure the quality.

Q:How can I rest assured of product quality?

We will provide you with free samples that can represent big products. You can detect whether it meets your requirements in advance and provide COA and product specifications for your reference.