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VendorsCPC Scientific
Layer A — cited: COA practices, testing, enforcement, provenanceLayer B — disclaimed: online sentiment, community reportsIndependence firewall: the Trust Index is computed from cited facts only — never sold, never sorts the directory.
V0 · V1 · V2 · V3 · V4

Overview

Independence-firewalled vendor profile · Trust Index computed from cited facts

CPC Scientific

cpcscientific.comActiveResearch use only

US-facing research-peptide supplier, research-grade, founded 2005. Publishes certificates of analysis. Identity and claims are vendor-stated unless cited. Research use only.

Publishes COAsGMP claimISO claimDomestic shipping
—products listed
2.3/5Trustpilot (.io)
2005founded
Communityconfidence
2026-06-27 as of
Vendor Trust Index
/100
Thinly Documented

Some cited facts on file, but not enough independently-verified evidence to compute a precise index. No adverse records on file.

Coverage77%
ConfidenceModerate
Cited facts40

A transparency readout of 40 cited facts — never sold, never sorts the directory; not a safety verdict (RUO). How it’s computed →

Catalog breadth

—
No data available

External rating

Cited
2.3/5
Trustpilot (chinesepeptidecompany.com) · 6 reviews

COA policy

Cited
Yes
publishes COAs

Operating status

Cited
Active
as of 2026-06-27

Trust Index breakdown

DerivedV3

The Trust Index weighs five evidence pillars — purity claims-vs-reality, testing transparency, enforcement conduct, operational accountability and reputation integrity — into a single 0–100 factor. Nothing here can be bought.

Thinly Documented. Cited facts on file, but no allowlisted independent assay yet — a precise index is withheld. A precise number is withheld rather than guessed — absence of evidence is never shown as a low score.

Evidence at a glance

DerivedV3
Products listed
24
Publishes COAs
Yes
Independent tests tracked
1
Enforcement records
0
Cited sources
40

Methodology & independence

CitedV4
  • The Trust Index is computed only from cited facts — and can never be bought.
  • Sponsorship & affiliate are excluded by construction — they never move the score, sort, or inclusion.
  • Facts are dated and cited; absent data lowers confidence, never the score (absence isn’t evidence of bad).

No affiliate relationship with this vendor.

Legitimacy signals

DerivedV2
Official domain
cpcscientific.com
Payment
Not disclosed
Third-party testing
Not confirmed
Published COAs
Yes
HQ disclosed
US-CA
Sponsored placement
No

Vendor details

CitedV1
Founded (claimed)
2005
Domain registered
2005-04-26
HQ
US-CA
Address
CPC Scientific, 2105 S Bascom Ave, Suite 260, Campbell, CA 95008
Ships from
US, CN
Ships to
US, international
Categories
Catalog Peptides · Custom Peptides · GMP Peptides · Fmoc Amino Acids · Oligonucleotides · Peptide-Oligonucleotide Conjugates (POC)
Grade claimed
research
Website
cpcscientific.com

WHOIS: cpcscientific.com was created 2005-04-26 via GoDaddy (updated 2022-09-03, expires 2027-04-26), aligning with the stated 2005 establishment of the US company (CPC Scientific Inc.) by Shawn Lee, Ph.D. The wider CPC Scientific Group / 'Chinese Peptide Company' traces to a 2001 founding in Hangzhou; the GMP plant opened there in 2006. The numerous consumer 'chinese(s)peptide(s)company' domains were not WHOIS-resolved in this crawl and should be checked for registration age/owner. gridinsoft.com

Find them

V1

Verify you are on cpcscientific.com — 5 domain variants exist; this is the one on record as current.

V5 · V6 · V7 · V8 · V9

Products & price

Vendor-listed prices, dated & cited — no ranking, no commission

Product catalog & pricelist

CitedV5

24 listings from the live catalog, captured on 2026-08-03. Prices are vendor-listed and dated; price-per-mg is a unit price, not a ranking. No commission is earned and no vendor is ranked. Research use only.

CompoundPriceSizePrice / mgCOA
CACalcitoninPeptides
$1381 mg vial$137.50
DSDSIPPeptides
$29625 mg vial$11.84
DSDSIPPeptides
$71.505 mg vial$14.30
EXExenatidePeptides
$1275 mg vial$25.30
EXExenatidePeptides
$2041 mg vial$203.50
GHGHRP-2Peptides
$27.505 mg vial$5.50
GHGHRP-2Peptides
$49.501 mg vial$49.50
GLGlucagonPeptides
$1385 mg vial$27.50
GLGlucagonPeptides
$2151 mg vial$214.50
GOGonadorelinPeptides
$27.501 mg vial$27.50
LLLL-37Peptides
$108910 mg vial$108.90
LLLL-37Peptides
$6885 mg vial$137.50
LLLL-37Peptides
$1931 mg vial$192.50
OCOctreotidePeptides
$55.005 mg vial$11.00
OCOctreotidePeptides
$88.001 mg vial$88.00
OXOxytocinPeptides
$27.501 mg vial$27.50
OXOxytocinPeptides
$2605 mg vial$51.92
P2P21Peptides
$1791 mg vial$179.30
THThymosin Alpha-1Peptides
$71.505 mg vial$14.30
THThymosin Alpha-1Peptides
$1051 mg vial$104.50
THThymulinPeptides
$51825 mg vial$20.72
THThymulinPeptides
$1305 mg vial$25.96
VIVIPPeptides
$4685 mg vial$93.50
VIVIPPeptides
$1051 mg vial$104.50

Price-per-mg snapshot

DerivedV7

First dated snapshot (2026-06-27) — price-per-mg across the catalog. A trend line builds as we re-capture; no time series exists yet.

Log scale — bars are spaced so values spanning orders of magnitude stay readable.

GHRP-2$5.50/mg
Octreotide$11.00/mg
DSIP$11.84/mg
DSIP$14.30/mg
Thymosin Alpha-1$14.30/mg
Thymulin$20.72/mg
Exenatide$25.30/mg
Thymulin$25.96/mg
Glucagon$27.50/mg
Gonadorelin$27.50/mg
Oxytocin$27.50/mg
GHRP-2$49.50/mg
Oxytocin$51.92/mg
Octreotide$88.00/mg
VIP$93.50/mg
Thymosin Alpha-1$104.50/mg
VIP$104.50/mg
LL-37$108.90/mg
Calcitonin$137.50/mg
LL-37$137.50/mg
P21$179.30/mg
LL-37$192.50/mg
Exenatide$203.50/mg
Glucagon$214.50/mg

Deals & bulk pricing

V8
No data availableNo promotional or bulk pricing collected.

Price snapshot

DerivedV6
Lowest $/mg
$5.50
Median $/mg
$49.50
Highest $/mg
$214.50

Across 24 priced listings — cheapest GHRP-2 ($5.50/mg), priciest Glucagon ($214.50/mg). This vendor’s own catalog spread — not a cross-vendor ranking.

Shipping & fulfillment

CitedV9
Ships from
US, CN
Ships to
US, international
Domestic shipping
Yes
Ship speed
No data available
Payment
No data available

cpcscientific.com

Watch & alerts

V30
  • Status-change & enforcement alerts
  • Add to a comparison set
V10 · V11 · V12

Quality & COA verification

COA & testing practices

CitedV10

What this vendor proves about identity, purity & potency

Publishes COAs
policy on record
Third-party tested
not on record
Independent tests tracked
1 on file
GMP / ISO claim
vendor-claimed
CPC Scientific is a B2B contract development & manufacturing organization (CRDMO), not a retail research-peptide brand. It states thousands of catalog peptides ship from stock at a 95% minimum purity (custom synthesis up to ~99%, 2 to >200 amino acids) and are delivered with HPLC purity, mass-spectrometry (MS) identity, amino-acid analysis (AAA) and solubility data, with a full Certificate of Analysis on every order. As a cGMP manufacturer its quality system is its own regulated in-house QC (FDA/EMA/TGA-inspected), not a named retail third-party lab (e.g., Janoshik/Finnrick). These are manufacturer-stated capabilities; per-COA lot documents were not directly verified in this crawl.

Methods: HPLC (purity), Mass Spectrometry (identity), Amino Acid Analysis (AAA) and solubility data reported on COAs (manufacturer-stated). cGMP QC under FDA/EMA/TGA/NMPA/MFDS oversight; not indexed by retail peptide-testing aggregators..

COA repository · published lab results

No data availablePer-lot COA records have not been collected.

Independent test results

CitedV11

1 independent test tracked — labs and findings as reported. No pass/fail tally is computed.

Retail peptide-testing platforms — not indexed
CPC Scientific / 'Chinese Peptide Company' is a pharma CDMO and is NOT present in the public retail peptide-testing databases (Finnrick, vialaudit, Janoshik public index) that catalog consumer research-peptide brands. Absence here is expected for a B2B GMP manufacturer and is neither positive nor negative evidence of retail product quality.
finnrick.com

Authenticity & anti-spoofing

CitedV12

Official domain: cpcscientific.com

Only order from the official domain. Research-chem vendors are frequently impersonated by typosquats — verify the URL before purchase.

Known domain variants

  • cpcscientific.com — official · Primary B2B site of CPC Scientific Inc.; registered 2005-04-26 (GoDaddy), matching the 2005 US-company founding.
  • chinesepeptidescompany.com — impersonator / affiliation unverified · Consumer 'Peptides for Sale in USA - CPC' storefront trading on the 'Chinese Peptide Company / CPC' brand; affiliation with CPC Scientific Inc. NOT established. Hosts retail blog content (e.g. 'Secure Peptide Shipping in the USA').
  • chinesepeptidecompany.com — impersonator / affiliation unverified · Trustpilot ~2.3/5 (6 reviews); reviewers allege it 'hijacked the real Chinese Peptide Company name' with non-delivery scams; profile reportedly closed because the website closed.
  • chinesepeptidecompany.uk — variant / affiliation unverified · UK-facing consumer storefront with a self-hosted /reviews/ page; affiliation with CPC Scientific Inc. NOT established.
  • chinapeptidecompany.com — variant / affiliation unverified · Another consumer 'Peptides for Sale USA - CPC' storefront with self-hosted reviews/FAQ; one source frames it as separate from the chinesepeptidecompany.com impersonator. Relationship to CPC Scientific Inc. unconfirmed.
V13 · V14 · V15 · V16 · V17

Reputation & sentiment

Online sentiment

Community signalUGC · disclaimedV13

Forum sentiment: unknown · unverified

A coarse community read, not a measured score. Platforms can be gamed — corroborate.

Reddit & community

UGC · disclaimedV14

2 community mentions — disclaimed UGC, each linked. Sentiment is reported, not measured.

Trustpilot — chinesepeptidecompany.comNegative
Reviewers of the consumer look-alike domain allege it 'hijacked the real Chinese Peptide Company name and good reputation' and describe non-delivery after payment ('was in contact everyday before I sent money... after I paid they ghosted me'). The profile is reportedly closed because the website closed. UNVERIFIED affiliation with CPC Scientific Inc.; surfaced as a brand-protection caveat, not a fact about the manufacturer.
trustpilot.com
Cernum Biosciences — '5 Peptide Scams to Avoid (2026)'Neutral2026
Editorial peptide-scam guide stressing that fakes often imitate reputable names and 'US shipping' while actually shipping from Hong Kong, and that missing/generic, non-lot-matched COAs are the top tell. Cited as general context for why brand-riding 'CPC / Chinese Peptide Company' consumer domains warrant caution; does not name CPC Scientific Inc. as a scammer.
cernumbiosciences.com

Review sites

UGC · disclaimedV15

4 platforms on record — scores differ by scale; read the notes

Consumer look-alike domain, NOT confirmed to be CPC Scientific Inc. Reviews allege the site 'hijacked the real Chinese Peptide Company name'; non-delivery after Zelle/bank payment; reviews closed because the website reportedly closed.

Algorithmic ~66.7/100 'medium-risk' on the legitimate B2B domain — heuristic, not transaction-based; not an endorsement or a warning.

Algorithmic ~70/100 trust score; notes a ~21-year-old domain registered via GoDaddy, US-hosted.

NEW — not in existing profile. Aggregator/review-platform (not a lab) dated 2026-04-16, explicitly reviewing cpcscientific.com (the real B2B CDMO, not an impersonator domain): '4 verified reviews', avg 4.3/5, cites catalog size (1,197 listings), avg pricing ~$109/mg, and quotes like 'CPC Scientific has been my go-to for over two years' / 'gold standard status for research peptides'. CAUTION: could not confirm who operates Peptides.SO or its review-verification methodology; the polished marketing-style quotes and round numbers raise a content-marketing/SEO-mill possibility rather than an organic customer-review platform (similar in flavor to several other 'peptide vendor roundup' sites surfaced during this crawl, e.g. peptidestack.io, peptiderecon.com). Recommend a human spot-check before this feeds liveRatings.

The legitimate B2B manufacturer (cpcscientific.com) has little consumer-review footprint; reputation discussion online attaches mostly to look-alike consumer storefront domains using the 'Chinese Peptide Company / CPC' name. A Trustpilot profile for chinesepeptidecompany.com sits at ~2.3/5 (6 reviews) with non-delivery scam allegations and is reportedly closed because 'the company's website has closed' — that profile is NOT confirmed to be CPC Scientific Inc. Algorithmic site-checkers rate cpcscientific.com itself only mid-range (Scam Detector ~66.7/100; gridinsoft ~70/100), reflecting age/HTTPS heuristics rather than transactions.

trustpilot.com

User reviews

Not collectedUGC · disclaimedV16
No data availableNo first-party reviews have been collected for this vendor.

Press & media

CitedV17
Medtide Inc. (parent of CPC Scientific) lists on the Hong Kong Stock Exchange (Stock Code 03880)
CPC Scientific · 2025-06-30
cpcscientific.com
Medtide Launches HK$514m IPO at Top of Range — U.S./China Expansion to Propel Peptide CDMO; #3 by 2023 revenue, 1.5% share
Minichart · 2025-06-29
minichart.com.sg
Medtide Inc. launches Hong Kong IPO to boost weight-loss (GLP-1) peptide business; CSPC Pharma cornerstone investor
Benzinga · 2025-06-01
benzinga.com
CPC Scientific Successfully Passes 4th U.S. FDA Inspection (Hangzhou GMP facility)
CPC Scientific · 2016-03-01
cpcscientific.com
V18 · V19 · V20 · V21

Trust, risk & enforcement

Enforcement & legal history

CitedV18

Warning letters, raids, shutdowns, BBB actions — cited or omitted

No enforcement actions on record. No FDA warning letters, raids, recalls, or import alerts naming this vendor as of 2026-06-27. Absence of record is not a guarantee.

We publish negative records only with a source, and offer vendors a right of reply.

Buyer safety checklist

DerivedV19
  • Publishes COAs
  • Third-party tested
  • Accepts non-crypto payment
  • Has reship / refund policy
  • Clean enforcement record
  • Currently operating

4 of 6 checks clear · derived from vendor-stated data.

Operating status & continuity

CitedV20
Status
Active
Last confirmed
2026-06-27
US-facing
Yes
Domain history
5 variants on record
Known rebrands / aliases
Migrated to cpcscientific.com (2005-04-26)

cpcscientific.com was created 2005-04-26 via GoDaddy (updated 2022-09-03, expires 2027-04-26), aligning with the stated 2005 establishment of the US company (CPC Scientific Inc.) by Shawn Lee, Ph.D. The wider CPC Scientific Group / 'Chinese Peptide Company' traces to a 2001 founding in Hangzhou; the GMP plant opened there in 2006. The numerous consumer 'chinese(s)peptide(s)company' domains were not WHOIS-resolved in this crawl and should be checked for registration age/owner.

If they disappear: prepaid / crypto orders carry no recourse if any research-chem vendor changes domains or shuts down with little notice.

Scam & non-delivery reports

Community-reportedUGC · disclaimedV21
Brand impersonation / non-delivery (look-alike domain, NOT the manufacturer) · 6 — Trustpilot reviews of chinesepeptidecompany.com allege the consumer site adopted the 'Chinese Peptide Company / CPC' name and then failed to deliver after payment — including a $295 Zelle payment with no response and a £1850 payment with no shipment or tracking. These complaints are against a look-alike consumer domain of UNVERIFIED affiliation, not against CPC Scientific Inc. (cpcscientific.com). Recorded as a consumer-protection signal and brand-collision risk.
Community-reported; affiliation to CPC Scientific unverified; profile reportedly closed · trustpilot.com

Community-reported & unverified by PeptideCompass — counts reflect what platforms display, not adjudicated findings.

V22 · V23 · V24

Compare & discover

Compare vendors

V22

See CPC Scientific side-by-side with every vendor on the directory — COA practices, testing, shipping, enforcement history.

Similar vendors

V23
No data availableSimilar-vendor matching is not yet computed.

Best value for

V24

Cross-vendor price ranking is intentionally not computed

The Trust Index rates each vendor against a fixed evidence rubric — it never ranks vendors against each otheror sorts the directory. Naming a “best-value” vendor per compound would require exactly that cross-vendor sort, so we don’t. Compare the cited price-per-mg in the Products & price table yourself, or open a side-by-side comparison.
V25 · V26 · V27 · V28 · V29 · V31

Compliance, meta & tools

Jurisdiction & legality

CitedV25
Ships to
US, international
US-facing
Yes
Gating
Commercial links suppress where a compound is restricted in your region

Commercial CTAs are jurisdiction-gated; reference content stays visible everywhere (RUO).

Independence & disclosure

CitedV26
Affiliate
No
Sponsored placement
None
Effect on Trust Index
None — sponsorship & affiliate are excluded by construction

No affiliate or sponsorship relationship on record.

Data confidence & provenance

CitedV27
CommunityReview: needs_review
Reviewed by
PeptideCompass editorial
Sources
40 cited
Captured
2026-06-27
Provenance
web_research + adversarial_verification
View 40 sources

FAQ

CitedV31
Is CPC Scientific legit?
CPC Scientific Inc. is a real, established US-based peptide & oligonucleotide contract manufacturer (CRDMO). Its US company was set up in 2005 (group founded 2001 as 'Chinese Peptide Company'), it runs an FDA/EMA/TGA-inspected GMP plant in Hangzhou, China, and its parent Medtide Inc. listed on the Hong Kong Stock Exchange (03880) on 2025-06-30. No FDA warning letter or enforcement action against CPC Scientific was found. Caution: several consumer 'Chinese Peptide Company / CPC' storefront websites trade on this brand and carry non-delivery scam complaints; their affiliation with CPC Scientific Inc. is not established. Verify you are dealing with cpcscientific.com. PeptideCompass computes no vendor score. Research use only.
en.wikipedia.org
Does CPC Scientific sell peptides directly to individual consumers?
CPC Scientific positions itself as a B2B partner serving pharmaceutical, biotech and academic customers from discovery through commercial GMP manufacturing, with orders handled by quotation. It is not structured as a direct-to-consumer research-peptide retailer. Consumer-facing 'Peptides for Sale in USA' sites using the CPC / 'Chinese Peptide Company' name are separate storefronts of unverified affiliation. Research use only.
cpcscientific.com
What testing and documentation does CPC Scientific provide?
Per the company, catalog peptides ship from stock at 95% minimum purity (custom up to ~99%) with HPLC purity, mass-spectrometry identity, amino-acid analysis and solubility data, and a full Certificate of Analysis on every order. It operates under cGMP audited by the FDA, EMA, TGA, NMPA and MFDS, holds ISO 9001, ISO 13485 and ISO 22716 certifications, and supports IND/NDA/BLA filings. Research use only.
cpcscientific.com
Where is CPC Scientific located?
Sources place the current US headquarters in Rocklin, CA (3880 Atherton Rd; phone (408) 734-3800), with additional US sites historically in Sunnyvale, CA (1245 Reamwood Ave) and Milpitas, CA (1900 McCarthy Blvd), plus the GMP manufacturing facility in the Hangzhou Economic & Technological Development Zone, China. Research use only.
yelp.com

Citable summary (GEO)

DerivedV29

CPC Scientific (cpcscientific.com) is a US-facing research-peptide vendor. Publishes certificates of analysis. No enforcement actions on record. PeptideCompass Trust Index: Thinly Documented — Cited facts on file, but no allowlisted independent assay yet — a precise index is withheld.. Data is community and dated 2026-06-27. The Trust Index is an evidence-transparency readout of cited facts — not a safety verdict, never sold. Research use only.

JSON-LD: Organization · BreadcrumbList · FAQPage. Computed from cited facts, never sold.

Contribute, report & claim

V28
Reports are moderated · not verified by PeptideCompass