These Terms and Conditions (“Terms”) govern your access to and use of qsc-usa.com (the “Website”) and any purchases of research peptides from QSC (Qingdao Sigma Chemical) (“QSC,” “we,” “our,” or “us”).
By accessing our Website or placing an order, you agree to be bound by these Terms.
1. Research Use Only
All products sold by QSC are research-grade peptides and specialty compounds intended strictly for laboratory research purposes.
They are not intended for human consumption, veterinary use, diagnosis, or therapeutic application.
By purchasing from QSC, you acknowledge that:
You are qualified to handle research peptides and laboratory materials.
You understand proper storage requirements (including -20°C storage where applicable).
You assume all risks associated with storage, handling, and laboratory research use.
QSC is not liable for misuse, improper handling, unauthorized application, or failure to store products correctly.
Age Requirement
You must be at least 18 years old and legally permitted to purchase research chemicals in your jurisdiction.
2. Orders & Cryptocurrency Payments
Accepted Payment Methods
QSC accepts cryptocurrency payments only, including payments processed via Blockonomics.
We do not accept:
Credit cards
Bank transfers
PayPal or fiat payment methods
Orders are processed only after sufficient blockchain confirmations.
Customers are solely responsible for:
Sending the exact invoice amount
Using the correct wallet address
Including accurate order reference details
Transactions sent incorrectly or to the wrong wallet address cannot be reversed. QSC is not responsible for losses due to incorrect crypto transfers.
Order Confirmation
Orders become binding once payment is confirmed on the blockchain.
QSC reserves the right to refuse, cancel, or limit orders at its discretion, including in cases of:
Suspected fraud
Regulatory concerns
Inventory discrepancies
All listed prices include free shipping, unless otherwise stated.
3. Shipping & Distribution
QSC provides free shipping on all peptide orders.
Orders may ship from:
Manufacturing facility in China
Warehouses located in the USA, EU, UK, Australia, or Canada
Shipping origin depends on inventory availability and destination.
Domestic fulfillment is prioritized when inventory is available within:
USA
EU
UK
Australia
Canada
Processing & Tracking
Orders are processed within 1–3 business days after crypto confirmation.
Tracking is typically provided within 12–48 hours after dispatch.
QSC is not responsible for delays caused by:
Customs inspections
Carrier disruptions
Government actions
Natural disasters
Force majeure events beyond our control
Reshipment conditions are governed by our Return & Shipping Policy.
4. Peptide Quality Assurance
All QSC research peptides undergo analytical testing to verify:
Identity
Molecular weight
Purity (as labeled)
Batch consistency
Certificates of Analysis (COAs) are hosted directly on each product page for full transparency and batch verification.
5. Regulatory Compliance
Customers are solely responsible for:
Determining whether research peptides are legal to import, possess, and research in their jurisdiction
Complying with all local laws and regulations
QSC makes no representation regarding regulatory approval status beyond research-use-only designation.
6. Intellectual Property
All Website content, including:
Logos
Product descriptions
COAs and analytical documentation
Images
Technical materials
Branding
is the intellectual property of QSC or its licensors.
Unauthorized reproduction, distribution, scraping, or commercial use is strictly prohibited.
7. Limitation of Liability
To the maximum extent permitted by law:
QSC shall not be liable for any indirect, incidental, consequential, special, or punitive damages arising from:
Product purchase
Research application
Storage conditions
Shipment delays
Customs issues
Regulatory matters
QSC’s total liability shall not exceed the amount paid for the specific order in dispute.
By purchasing research peptides from QSC, you acknowledge the inherent risks associated with laboratory chemicals and agree to release QSC from claims arising from improper handling, misuse, or unauthorized application.
Nothing in these Terms excludes liability that cannot legally be limited.
8. Governing Principles & Dispute Resolution
These Terms shall be interpreted according to applicable international commercial principles.
Any dispute shall first be addressed through good-faith negotiation.
If unresolved, disputes may be submitted to binding arbitration in a mutually agreed jurisdiction.
9. Amendments
QSC reserves the right to update or modify these Terms at any time.
Continued use of the Website or placement of orders after updates constitutes acceptance of the revised Terms.
The latest version will always be available on our Website.
