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Cortagen 99% In-stock from Chinese factory

2 Inquiries

Unit Price:

$30-35/UNIT FOB

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CAS No.:

335591-03-2

Grade:

Reagent Grade

Content:

99%

Port:

Shenzhen, Shanghai

Brand:

T&L

Packaging:

10 Vials per Kit

Price valid (until):

2026-11-10

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T&L Biosciences

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Peptide,Pharmaceutical raw powder

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Product Description
Seller Information
Inquiry History

Description
  Product Detail

We supply APIs, pharmaceutical intermediates, and functional peptide materials for research, supporting everything from sample testing and small-batch trial orders to bulk procurement.

We offer:

COA and product specifications
Various specifications and packaging options
Bulk purchase quotes
International shipping and logistics tracking
Long-term, stable supply services
Contact Us

WhatsApp / Telegram:     +1 605 633 3333

Email:   tail333398@gmail.com

FAQ

Q: What is the minimum order quantity (MOQ)?
A: It depends on the product; the standard MOQ is usually 100g, though trial orders of 10g or 20g are available for some products.

Q: Can you provide samples?
A: Yes, free samples are available for some products (shipping costs are borne by the customer).

Q: Are there discounts for bulk orders?
A: Yes. Please provide the product name, quantity, and destination country, and we will provide an accurate quote.

Q: How soon will the order ship?
A: In-stock items usually ship within 1–3 business days after payment confirmation, and tracking information will be provided.

Q: How long does international shipping take?

A: Shipping time depends on the destination country and local delivery conditions. Generally, international shipping takes about 5–12 business days.

Q: What payment methods do you accept?
A: We accept T/T, Wise, Zelle, USDT, BTC, etc.

Q: How do I place an order?
A: Please send us the product name, order quantity, specifications, and destination country; we will then confirm the price, stock availability, and shipping arrangements.
Full Name: Cortagen (Cerebral Cortex Targeted Bioregulatory Tetrapeptide)

Core Mechanism of Action

Cortagen penetrates the nucleus of neurons and glial cells, remodels chromatin architecture, and reactivates functional genes silenced by cellular aging:

Decondense compact heterochromatin, restore transcriptional accessibility of age-suppressed neural genes;

Upregulate expression of neurotrophic factors including BDNF, NGF and NT-3, boost neuronal protein synthesis and axonal regeneration;

Balance excitatory/inhibitory neurotransmitter pathways (glutamate & GABA) to stabilize cortical neural electrical activity;

Activate intracellular antioxidant enzymes to mitigate neuronal oxidative damage and lipid peroxidation;

Suppress excessive microglial activation and pro-inflammatory cytokines to relieve neuroinflammation;

Regulate lymphocyte gene expression to coordinate central nervous and peripheral immune functions;

Accelerate myelin sheath repair of damaged nerve fibers and restore neural signal conduction efficiency.

Company Profile:

Laboratory Display:

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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:
Polypeptide

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:
Manufactory

Main Products:
Peptide,Pharmaceutical raw powder

Location:
No. 188 Kaiyuan Avenue, Science City, Guangzhou High-tech Industrial Development Zone, Huangpu District, Guangzhou

Payment Terms:
100% TT in advance

Average lead Time:
15

Total Annual Revenue:
$2.5 million-$5 million

Total Employees:
11-50

Year of Establishment:
2020

T&L Biosciences is a modern biotechnology enterprise specializing in the R&D, production, and global supply of active pharmaceutical ingredients (APIs), pharmaceutical intermediates, plant extracts, and functional ingredients. Our products serve a wide range of sectors—including pharmaceutical R&D, nutrition and health, cosmetics, dietary supplements, and the food industry—providing reliable, professional ingredient supply services to overseas brands, distributors, research institutions, and manufacturers.

We operate a standardized production and processing system; our facilities are designed according to modern production management principles and feature dedicated zones for raw material handling, synthesis and extraction, refining and processing, quality testing, packaging, and warehousing. Through standardized workflows and comprehensive process management, we effectively control every stage—from raw material procurement and production to quality testing, storage, and export—ensuring consistent product quality and efficient order fulfillment.

T&L Biosciences prioritizes quality management and technological innovation. We are equipped with professional testing, analysis, and R&D instrumentation, and maintain a robust quality control system covering raw materials, production processes, and finished products. We offer a range of services tailored to client needs, including specific product specifications, testing reports, sample testing, custom development, and bulk supply.

Leveraging a mature supply chain and extensive international trade experience, we have established a global sales and service network, exporting products to North America, Europe, Southeast Asia, the Middle East, and other international markets. Committed to quality, driven by technology, and focused on long-term partnerships, we continuously provide global customers with stable, efficient, and competitive ingredient solutions.

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 99% In-stock from Chinese factory

Product Description

Seller Information

Inquiry History

Core Mechanism of Action

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