 Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > L-Proline, L-alanyl-L-α-glutamyl-L-α-aspartyl- for Sale > -Cortagen safe delivery with door to door china peptide factory

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-Cortagen safe delivery with door to door china peptide factory

2 Inquiries

Unit Price:

$1/UNIT FOB

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CAS No.:

335591-03-2

Grade:

Pharmaceutical Grade

Content:

99%

Port:

shamghai

Brand:

Packaging:

10 Vials per box

Sample Available:

Yes

Price valid (until):

2028-09-30

Contact Supplier

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Jielu Trading

Company Type:

Trader

Location:

China

Average Lead Time:

15 days

Qualification:

Main Products:

Peptide

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Product Description
Seller Information
Inquiry History

Description
  Product Detail

WhatsApp：+85293764717

WhatsApp：+85293764717

Discover a premium-grade solution for modern weight management formulations with our customizable peptide freeze-dried powder, designed for global buyers seeking quality, flexibility, and sustainability. This advanced cosmetic raw material is manufactured under strict quality control standards and presented in sterile plastic vials to ensure purity, stability, and ease of handling throughout transportation and application processes.

Our peptide powder is available in multiple dosage options—20mg—allowing brands, laboratories, and distributors to tailor their product lines according to specific market demands. Whether you are developing innovative cosmetic formulations, research-based solutions, or wellness-oriented product lines, this customizable range provides unmatched versatility. Each vial contains precisely measured, freeze-dried peptide powder that maintains structural integrity and potency, ensuring consistent performance across batches.

One of the key advantages of this product is its freeze-dried (lyophilized) form, which enhances shelf life and simplifies storage requirements. The process preserves the peptide’s bioactive properties, making it ideal for long-distance shipping and global distribution. The sterile plastic vials are lightweight, durable, and resistant to breakage, offering a safer and more cost-effective alternative to traditional glass packaging. This design also aligns with eco-friendly initiatives by reducing material waste and carbon footprint during logistics.

Customization is at the core of our offering. We support private labeling, OEM/ODM services, and flexible packaging solutions to help your brand stand out in competitive markets. From logo printing to tailored packaging designs, we enable you to create a unique identity that resonates with your target audience. Our production team works closely with clients to ensure specifications are met with precision, from peptide concentration to packaging aesthetics.

This peptide raw material is widely used in cosmetic and research applications focused on body contouring, metabolism support, and advanced skincare innovation. Its high purity and reliable quality make it a preferred choice for professionals seeking dependable ingredients for formulation development.

We prioritize sustainability and global usability. Our eco-conscious packaging and efficient production processes are designed to meet international standards, making this product suitable for export to diverse markets worldwide. Each batch undergoes rigorous testing to ensure compliance with quality benchmarks, providing buyers with confidence and consistency.

Partner with us to access a reliable supply of high-quality peptide freeze-dried powder, backed by customization options and global logistics support. Whether you are expanding your product portfolio or entering new markets, this versatile and eco-friendly solution is designed to meet your business needs with efficiency and professionalism.

About US

We are dedicated to providing high-quality peptides at affordable prices. Our products are produced quickly and safely. And our products have been spread across Europe, South America, North America, Southeast Asia, Africa and more countries in the world.

Our goal is to survive by quality and develop by reputation. We adhere to rigorous quality control standards, ensuring high purity and accurate peptide sequences.

Constantly strive for high quality products, competitive prices, professional support, effective team, cooperative and honest cooperation, good after-sales work. Meet the new and old customers to buy.

Our Service:

1.Cooperate with research institutions, we strictly control the process from raw material to finished product.

2.The customer comes first, we provide reasonable price, high quality product and prompt shipment.

3.We can send the goods to your delivery address directly. It is relatively safe and fast.

4.Quick and clear response to customers questions.

5.We could make our price discount if you place a substantial order with us.

Package & Delivery

Product Packing: 20mg

Shipping Condition:Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

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

   FAQ

Q1: Have your Product Quality been Approved by Third Party Lab?

A: Yes, All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China. So you will be assured with Good Quality if you choose us.Q2: How to cooperate with us？Q2：How to cooperate with us?

You can contact us for cooperation through the website contact information, or contact with the salesmen in our company. We will connect you about the specific detail via email.

Q3: Is there any discount？

A: Yes, for larger quantity, we always support with better price.

Q4: How long does it take to the goods arrived？

A:It is Depending on your location.
For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS.
For mass order, please allow 5-8 days by Air, 20-35 days by Sea.

Q5: Do you have any reshipment policy ？

We have good after-sale service and re-shipment policy if the parcel lose.
Our long association with our clients has brought great benefits.
We always take the upmost care in the packaging of our products .
Our clients will confirm this as even they struggle to find them without help at times.
But in spite of our best efforts it is still possible will seize a small number of packages.
In this circumstance we promise reship free to establish long term relationship.

Items Specifications

product Cortagen

specification 20mg

purity 99%

appearance powder
Research & Reference Note

-Cortagen safe delivery with door to door china peptide factory is listed on ECHEMI for industrial / laboratory sourcing. This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.
Authoritative sources

PubChem

ClinicalTrials.gov

FDA Drugs@FDA

NIH
Disclaimer: This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

Reviewed by ECHEMI Scientific Review - Platform editorial review for research chemicals
Basic Info

Product Name:
L-Proline, L-alanyl-L-α-glutamyl-L-α-aspartyl-

Other Name:
L-Proline, L-alanyl-L-α-glutamyl-L-α-aspartyl-

CAS No.:
335591-03-2

Molecular Formula:
C17H26N4O9

Molecular Weight:
430.41

Categories:
Bulk Drug Intermediates

Characteristics

Density:
1.462±0.06 g/cm3(Predicted)

Boiling Point:
923.0±65.0 °C(Predicted)

PKA:
3.26±0.20(Predicted)
Seller Information

Business Type:
Trader

Main Products:
Peptide

Location:
zhejiangshengjinhuashiyiwushijiangdongjiedaodongnanlu656hao

Average lead Time:
15 days

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
5-10

Year of Establishment:
2026

Jielu Trading focuses on the global cross‑border supply chain of high‑end peptide raw materials. Rooted in cutting‑edge biotechnology, we specialize in the selection, quality control, trade and globalized services of peptide products.

Adhering to strict quality standards and raw material traceability systems, we provide high‑purity and stable peptide raw materials as well as integrated supply‑chain solutions for scientific research, health care and medical aesthetics industries with standardized production and complete compliance qualifications.

Guided by our brand philosophy With Peptide Power, Integrity Leads Far, Empowering the World, Jielu builds a stable and efficient global trade network with craftsmanship, integrity and global vision. We strive to be an influential benchmark service provider in the worldwide peptide industry, and create a brighter future with global partners.

Inquiry History

2 Inquiries

Country	Product	Purchase Quantity	Date Posted
United States	cortagen	1 G	May 26, 2026
United States	cortagen	1 KG	Feb 9, 2026

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-Cortagen safe delivery with door to door china peptide factory

Product Description

Seller Information

Inquiry History

WhatsApp：+85293764717

WhatsApp：+85293764717

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Items	Specifications
product	Cortagen
specification	20mg
purity	99%
appearance	powder