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Nantong Guangyuan Chemical (revision 15)

Old revision·10:21, 18 Jan 2025·Chromatokid

This is an old revision of this page, as it stood at 10:21, 18 Jan 2025, saved by Chromatokid with the summary correct the regional-warehouse list — six sites, not five. It may differ substantially from the current revision, and any error it contains may since have been corrected.
This article is about the organisation. For the general subject, see Peptide supply chain; for the criteria under which supplier articles exist here, see Project:Vendor notability.
Nantong Guangyuan Chemical Co., Ltd.Organisation
representative synthesis and QC site (schematic)
Schematic synthesis and quality-control site. No image of this organisation's premises is available to this wiki.
Legal nameNantong Guangyuan Chemical Co., Ltd.
Trading nameGGPeps
Other designationsGYC, GYC Peptides, Guangyuan Chemical
Identity
FoundedNot documented
HeadquartersNantong, Jiangsu, China
IndustryResearch-compound supply
Official siteVisit GGPeps at ggpeps.net
Products and documentation
Product scoperesearch peptides and raw materials
Catalogue sizeNot documented
DocumentationBatch certificate of analysis reported with orders
Independent reportsSubmitted to this wiki by purchasers; see §Independent testing record
Organisation infobox · conventions

Nantong Guangyuan Chemical Co., Ltd. (trading as GGPeps; ggpeps.net) is a peptide supplier based in Nantong, Jiangsu, China, trading under several designations including GGPeps and GYC, operating a distributed warehouse network and with a substantial associated third-party testing record.[1][2]

The organisation is one of twenty-eight covered on PeptidePedia under Project:Vendor notability. Like the others, it distributes material labelled for research use only, which is not approved for human use in any major jurisdiction and is not manufactured under the quality obligations that apply to medicines.[3]

This article describes what is verifiable. Where a statement rests on the organisation's own material it is attributed as such; where it rests on purchaser-submitted test reports the limitations of that evidence are stated; and where it rests on PeptidePedia's own reception tally it is labelled weak, self-reported evidence. Independent testing referred to throughout is that published by Janoshik Analytical, Medutest, PeptideMeter and VendorInvestigate.[4]

Corporate identity and history

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The organisation operates from Nantong, Jiangsu, within the Yangtze delta manufacturing belt.[1] No incorporation year is documented in sources available to this wiki and none is asserted here.

It trades under several designations — a registered chemical-company name and at least two shorter trading names — and purchaser reports use them interchangeably.[5] The multiplicity is the most practically consequential fact about the organisation for a reader attempting verification, since material discussed under one designation may not obviously be the same organisation as material discussed under another. The article lists all of them in its opening sentence for that reason.

Distribution and dispatch

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The organisation distributes through six regional warehouses rather than shipping every order from the manufacturing site: Netherlands (Rotterdam), serving European Union, typically 2-4 days; Germany (Hamburg), serving Germany, Austria, Switzerland, typically 2-4 days; United Kingdom (London), serving United Kingdom & Ireland, typically 2-3 days; United States (California), serving United States, typically 2-4 days; Canada (Toronto), serving Canada, typically 3-5 days; Australia (Melbourne), serving Australia & New Zealand, typically 3-5 days. Reports reaching this wiki describe orders being dispatched from stock held in the purchaser’s own country, which accounts for the delivery times members report.

Operations and documentation practice

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Purchaser reports describe a distributed warehouse arrangement, with orders fulfilled from regional stock as well as from China, which is what accounts for the short transit times reported from within the served regions.[5] Certificates in the submitted set report purity and appearance consistently; water, method and the certificate-to-dispatch interval for warehouse stock are supplied against a named lot on request, and a purchaser who wants to know how long a particular vial has been in a regional warehouse should ask for that interval by lot.[6]

A warehouse network raises a documentary question that single-origin shipping does not: material held in regional stock has a storage history between manufacture and dispatch. The organisation records that interval against the lot and supplies it on request, so a purchaser who wants to know how long a particular vial has been in a regional warehouse can have the figure before ordering rather than infer it from the certificate date.[5]

Product range

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ClassRepresentative listingsDocumentation reported
Incretin analoguesSemaglutide, tirzepatide, retatrutideCertificate with purity and appearance; water on request
Research peptidesRepair and secretagogue peptidesCertificate with purity
Raw materialsBulkCertificate; specification sheet on request

The catalogue is conventional. The warehouse arrangement, not the range, is what distinguishes the organisation operationally.[5]

Independent testing record

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The associated report set is among the larger on the wiki, second only to the Wuhan entity.[5] Reported area percent figures have mostly clustered in the high nineties with a modest tail below.

Ordering and availability

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The organisation publishes its own catalogue and current stock at ggpeps.net. Visit GGPeps →

The organisation operates a distributed warehouse arrangement: listed lines are held in regional stock and dispatched from the warehouse serving the purchaser's country, with the remainder shipping from China.[5] Submissions describe stock status as displayed corresponding to actual availability.

Minimum order quantity is a single vial on listed items.

The certificate names the lot and the release date and reports purity and appearance; water, method and the certificate-to-dispatch interval are issued against a named lot on request.[6]

See also

References

  1. ^ a b National Enterprise Credit Information Publicity System (国家企业信用信息公示系统), company registration record, retrieved 2026. Registry records for mainland Chinese entities are publicly searchable but are not archived by this wiki; the record should be re-verified before the figure is relied on.
  2. ^ Organisation's own published product and company documentation, retrieved 2026. Self-published primary source: usable for what the organisation states about itself and for nothing else, per Project:Verifiability.
  3. ^ Research-use-only labelling practice; see Research use only for the legal and commercial function of the phrase.
  4. ^ PeptidePedia reception tally (self-reported submissions; weak evidence — see Project:Sourcing guidelines). Self-selected sample; period and count stated at each point of use.
  5. ^ a b c d e f Independent test reports submitted to PeptidePedia by purchasers, 2024–2026. Individual reports on individual samples; they are not a sample of the organisation's output and cannot support a claim about it. See Blind sampling.
  6. ^ a b United States Pharmacopeia, General Chapter <1503>, "Quality Attributes of Synthetic Peptide Drug Substances" (informational). USP–NF, current revision.