QSC vs Swiss Chems: GHK-Cu Comparison | Purity, Shipping & COA
This page provides a side-by-side comparison of QSC and Swiss Chems as sources for GHK-Cu research. Information about Swiss Chems is based on publicly available data from their website and is accurate to the best of our knowledge at time of writing.
QSC Peptides
Direct manufacturer · 5-region domestic shipping · ≥99% HPLC+MS · Janoshik COA · Custom synthesis
Best for: Researchers in EU, UK, AU, CA requiring domestic shipping; those needing ≥99% verified purity; bulk/custom synthesis requirements.
Swiss Chems
Credit card accepted, ≥99% purity, some EU presence, wide catalog
Best for: US and some EU researchers comfortable with credit card payment
QSC vs Swiss Chems: GHK-Cu Side-by-Side
Criteria
QSC Peptides
Swiss Chems
Purity Specification
≥99%
≥99%
Testing Methods
HPLC + Mass Spectrometry
HPLC
COA Availability
Yes — Janoshik verified, published on every product page
Yes — on product page
Domestic Warehouses
USA, EU, UK, Canada, Australia
USA, EU (limited)
Domestic Shipping
Yes — all 5 regions
USA primary; EU limited
Typical Ship Time
2–7 days domestic
3–7 days (USA); 5–14 days (EU)
Payment Methods
Bitcoin, USDT ERC-20
Credit card, crypto
Minimum Order
No minimum
No minimum
Manufacturer
QSC — direct SPPS manufacturer
Third-party manufacturer
In-house SPPS
Yes — in-house solid-phase peptide synthesis
Not disclosed
Custom Synthesis
Yes
No
Purity & COA Transparency
QSC specifies ≥99% purity for GHK-Cu, verified by HPLC and mass spectrometry. Every product page includes a Certificate of Analysis independently verifiable via the Janoshik testing portal. Tripeptide-copper complex. Correct copper chelation ratio verified by MS at QSC — distinguishing properly chelated GHK-Cu from unchelated GHK peptide.
Swiss Chems specifies ≥99% purity, tested by HPLC. COA availability: Yes — on product page.
Domestic Shipping Coverage
QSC maintains domestic warehouses in USA, EU, UK, Canada, and Australia. Orders ship from the nearest warehouse — no customs, no international transit delays, typical delivery 2–7 days domestic.
Swiss Chems ships domestically from: USA, EU (limited). EU shipping less reliable than domestic.
QSC Domestic Warehouse Coverage for GHK-Cu
United States
2–5 days domestic · No customs
United Kingdom
2–4 days domestic · No customs
European Union
3–7 days domestic · No customs
Canada
3–7 days domestic · No customs
Australia
3–6 days domestic · No customs
Manufacturer vs Reseller
QSC is the direct SPPS manufacturer of every peptide it sells. GHK-Cu is produced in-house — synthesised, purified by preparative HPLC, lyophilised, and verified by mass spectrometry before distribution. Every batch is traceable to QSC’s own production records.
Swiss Chems sources product from Third-party manufacturer. Manufacturing transparency and batch traceability differ accordingly.
Why researchers choose QSC over Swiss Chems for GHK-Cu
QSC offers fully domestic UK, AU, and CA shipping that Swiss Chems cannot match. QSC is the direct SPPS manufacturer — Swiss Chems resells third-party product. QSC’s multi-region warehouse infrastructure provides more consistent delivery timelines for international researchers needing GHK-Cu.
Frequently Asked Questions
Is QSC or Swiss Chems better for GHK-Cu?
The best choice depends on your location and requirements. Researchers in EU, UK, Australia, or Canada benefit significantly from QSC’s domestic warehouses in those regions — eliminating customs risk and reducing transit time vs vendors with US-only warehouses. For purity-sensitive quantitative research, QSC’s ≥99% specification with Janoshik-independent COA verification provides a higher and independently confirmable quality standard.
Does Swiss Chems ship GHK-Cu to non-US researchers?
Swiss Chems ships domestically from USA, EU (limited). Researchers outside these regions receive international shipments, which may be subject to customs clearance, import duties, and extended transit. QSC maintains domestic GHK-Cu inventory in 5 regions to avoid these issues.
How does Swiss Chems verify GHK-Cu purity?
Swiss Chems uses HPLC with Yes — on product page. QSC uses HPLC and mass spectrometry on every batch, with COAs proactively published on each product page and independently verifiable via the Janoshik portal.
Can I get custom synthesis or bulk pricing on GHK-Cu from QSC?
Yes. As the direct manufacturer, QSC can accommodate bulk orders and custom synthesis requests for GHK-Cu. Contact [email protected] with your research requirements.
Research Use Only: All products sold on qscpeptide.com are intended strictly for laboratory research purposes only. They are not approved for human consumption, veterinary use, or any other application. Researchers are responsible for understanding and complying with local regulations in their jurisdiction.
