CHINA PEPTIDE API SUPPLY
Wholesale Peptides and Bulk Supply from China
LJH Global supplies peptide raw materials and vialed products from China. Explore our product range, available specifications and packaging options, and contact us for wholesale and bulk supply quotations.
Peptide Products for Wholesale and Bulk Supply
Our portfolio covers selected GLP-1 related APIs and other peptide raw materials for qualified B2B procurement.
Product availability, purity specifications, packaging, batch documentation and shipping arrangements are confirmed according to the individual product and sourcing requirement.
Product availability, purity specifications, packaging, batch documentation and shipping arrangements are confirmed according to the individual product and sourcing requirement.
01
Retatrutide
CAS 2381089-83-2
- Molecular Formula
- C221H342N46O68
- Purity
- 99.8%
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02
Tirzepatide
CAS 2023788-19-2
- Molecular Formula
- C225H348N48O68
- Purity
- 99.8% (HPLC)
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03
Semaglutide
CAS 910463-68-2
- Molecular Formula
- C187H291N45O59
- Purity
- 99.7% (HPLC)
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04
BPC-157
CAS 137525-51-0
- Molecular Formula
- C62H98N16O22
- Purity
- 99.63% (HPLC)
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05
KPV
CAS 67727-97-3
- Molecular Formula
- C16H30N4O4
- Purity
- 99.63% (HPLC)
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06
Epitalon
CAS 307297-39-8
- Molecular Formula
- C14H22N4O9
- Purity
- 99.69% (HPLC)
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07
Thymosin Beta-4(TB-500)
CAS 77591-33-4
- Molecular Formula
- C₂₁₂H₃₅₀N₅₆O₇₈S
- Purity
- 99.66% (HPLC)
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08
TESAMORELIN
CAS 901758-09-6
- Molecular Formula
- C221H366N72O67S . x(C2H4O2)
- Purity
- 99.7% (HPLC)
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09
TB-500 Fragment(17-23)
CAS 885340-08-9
- Molecular Formula
- C38H68N10O14
- Purity
- 99.4% (HPLC)
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10
Melanotan II
CAS 121062-08-6
- Molecular Formula
- C50H69N15O9
- Purity
- 99.43% (HPLC)
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11
GHK Cu
CAS 89030-95-5
- Molecular Formula
- C14H23CuN6O4+
- Purity
- 99.6% (HPLC)
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12
SEMAX
CAS 80714-61-0
- Molecular Formula
- C37H51N9O10S
- Purity
- 99.72% (HPLC)
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13
SELANK
CAS 129954-34-3
- Molecular Formula
- C33H57N11O9
- Purity
- 99.34% (HPLC)
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14
SS-31
CAS 736992-21-5
- Molecular Formula
- C32H49N9O5
- Purity
- 99.56% (HPLC)
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15
MOTs-C
CAS 1627580-64-6
- Molecular Formula
- C101H152N28O22S2
- Purity
- 99.6% (HPLC)
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16
Ipamorelin
CAS 170851-70-4
- Molecular Formula
- C38H49N9O5
- Purity
- 99.6% (HPLC)
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17
AOD-9604
CAS 221231-10-3
- Molecular Formula
- C78H123N23O23S2
- Purity
- 99.1% (HPLC)
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18
CJC-1295 No DAC
CAS 863288-34-0
- Molecular Formula
- C152H252N44O42
- Purity
- 99.16% (HPLC)
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19
5-AMINO-1MQ
CAS 42464-96-0
- Molecular Formula
- C₁₀H₁₁IN₂
- Purity
- 99.52% (HPLC)
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20
SLU-PP-332
CAS 303760-60-3
- Molecular Formula
- C₁₈H₁₄N₂O₂
- Purity
- 99.62% (HPLC)
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21
SLU-PP-915
CAS 2285432-92-8
- Molecular Formula
- C₁₇H₁₃BFNO₃S
- Purity
- 99.32% (HPLC)
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22
NAD+
CAS 53-84-9
- Molecular Formula
- C21H27N7O14P2
- Purity
- 99.2% (HPLC)
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23
PT-141
CAS 189691-06-3
- Molecular Formula
- C50H68N14O10
- Purity
- 99.77% (HPLC)
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24
ARA-290
CAS 1208243-50-8
- Molecular Formula
- C51H84N16O21
- Purity
- 99.1% (HPLC)
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25
Kisspeptin-10
CAS 374675-21-5
- Molecular Formula
- C63H83N17O14
- Purity
- ≥95% (HPLC; confirm with batch-specific COA)
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26
Cagrilintide
CAS 1415456-99-3
- Molecular Formula
- C194H312N54O59S2
- Purity
- ≥99.13% (HPLC)
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27
Liraglutide
CAS 204656-20-2
- Molecular Formula
- C172H265N43O51
- Purity
- ≥98.0% (HPLC)
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Complete Product and Batch Documentation
Every supplied batch is supported by complete quality documentation for qualified B2B review, including product specifications, COA, HPLC purity analysis, LC-MS identity confirmation, endotoxin testing and microbiological testing.
Batch-Specific COA
Providing COA and related documentation for every product batch.
HPLC Purity Analysis
High-performance liquid chromatography to deliver purity and quality reports.
LC-MS Verification
Providing mass spectrometry confirmation and molecular weight verification reports.
Endotoxin & Microbial Testing
Delivering rigorous endotoxin and microbial test reports.
Supply Coordination Across Global Markets
We support qualified B2B partners with product communication, document coordination, and market-oriented sourcing support.
North AmericaEuropeAsiaLatin AmericaMiddle EastAfrica
Flexible Specifications
Supporting varied procurement scales.
Batch Tracking
Trace quality data via lot numbers.
Global Delivery
Assisting partners with global fulfillment.
Custom Peptide Synthesis Services for Qualified B2B Buyers
Discuss peptide sequence, target purity, synthesis scale, modification requirements, packaging format and analytical documentation with our B2B project team.
Why B2B Buyers Work With LJH Global
Comprehensive Peptide Supply Chain
Backed by a robust supply chain, providing diverse peptide APIs, lyophilized powders, and custom vial packaging/aliquoting services.
Complete Documentation Support
Supporting technical and quality review with comprehensive testing reports and documentation, including COA, HPLC, MSDS and elemental impurity analysis.
Robust Inventory & Fast Delivery
Core products feature regular kilogram-scale stock, ensuring rapid-response fulfillment and stable supply for bulk procurement.
Flexible Packaging for Bulk Orders
Peptide raw materials and vial-packed products are available, with packaging and aliquoting options discussed according to the product and order quantity.
From Requirement to Delivery
01
Submit product requirements
Product name, quantity, specification, destination and intended business use.
02
Confirm product and documentation
Confirm available specifications, packaging and document requirements.
03
Review supply arrangement
Discuss availability, quotation, batch arrangement and expected schedule.
04
Confirm packaging and shipment
Confirm packaging, temperature conditions, shipping documents and destination requirements.
Peptide API Sourcing and Technical Resources
Retatrutide API Batch Consistency: Comparing Purity, Peptide Content and Impurity Profiles
Consistent Retatrutide supply requires more than matching purity figures on certificates of analysis. This technical guide explains how B2B buyers can compare chromatograms, peptide content, impurity trends and other quality attributes across batches, assess analytical comparability, and evaluate the relationship between qualification samples and subsequent supply. It also distinguishes OOS results from OOT signals and outlines documentation for supplier review.
Read article
How Overseas API Buyers Should Prepare High-Quality Peptide API Technical Inquiries
This article guides overseas API buyers on preparing comprehensive and high-quality technical inquiries for peptide APIs, focusing on supplier evaluation, regulatory documentation, impurity profiling, and supply chain communication.
Read article
Global Tirzepatide Intermediates Supply-Demand Landscape and China Supply Chain Advantages
An overview of Tirzepatide-related supply considerations, China-side resources, documentation requirements and procurement factors for qualified B2B buyers.
Read articleB2B Inquiry
Looking for a peptide API supplier?
Tell us the product, required quantity, packaging preference and delivery destination. Contact our team for availability, supply options and a wholesale or bulk quotation.
About LJH Global
Located in Guangdong, China, LJH Global is an integrated peptide raw material manufacturer and sourcing service provider. We support qualified B2B buyers with direct manufacturing, technical documentation coordination, and seamless procurement solutions.
