For research use only. Not for human or veterinary use. Sold as 10-vial kits to laboratories and qualified professionals.
Coherent Lab Supply · Research reagent kits
Most suppliers test once. We test every kit five ways.
Every 10‑vial kit we ship is checked by Janoshik Analytical for purity, mass, endotoxin, sterility, and heavy metals. The report is matched to the lot number on your box, and you can verify it yourself.
10 vials in every kit
Lot‑matched Janoshik report
Stored at −86°C, ships in 24 h
ONE KIT = 10 VIALS
From $17.30per vial, bought as a 10‑vial kit
5 testspurity · mass · endotoxin · sterility · heavy metals
$30is the only difference between unlabeled and labeled
20% offyour first kit with code WELCOME20
What the report actually checks
Purity is one number. A usable kit needs five.
A single purity percentage tells you what fraction of the powder is the right molecule. It says nothing about how much powder is in the vial, what else came along with it, or whether the vial is clean. That is why we run the full panel on every lot.
01
Purity
How much of the material is the target compound, not fragments or by‑products.
HPLC‑UV · LC‑MS identity
02
Mass
Actual milligrams per vial versus the label. Under‑filled vials are the most common failure in this market.
Quantitative HPLC · CHNS
03
Endotoxin
Bacterial endotoxin (LPS) left behind by manufacturing. Reported in endotoxin units per vial.
LAL assay · EU/vial
04
Sterility
Total aerobic microbial and yeast/mould counts on the finished vial.
TAMC · TYMC
05
Heavy metals
Arsenic, cadmium, lead, and mercury from raw materials and equipment.
ICP‑MS
×3
Multi‑vial testing. We submit several vials from the same lot, not one hand‑picked vial. Purity and mass have to agree across them before the lot is released, so the report describes the kit you receive, not the best vial we could find.
Why Janoshik
The lab the research community uses as its reference.
- Built on blind samples. Janoshik’s reputation came from years of forum members sending unlabeled or deliberately mislabeled samples and getting the right answer back. That track record is why “Janoshik‑tested” became shorthand for “actually tested”.
- Volume nobody else matches. The Prague lab runs multiple HPLC systems, LC‑MS/MS, GC‑MS, and NMR, and processes on the order of 15,000 samples a month in 2026. More samples means better reference data for each compound.
- Manufacturers accept it. Raw‑material suppliers honor guarantee claims against Janoshik results. Sellers cannot argue with a report their own supplier recognizes.
- Reports you can verify. Every certificate carries a task number and QR code that resolves on Janoshik’s public portal. Forged or edited certificates have been caught this way.
- The full panel in one place. Purity, quantity, LAL endotoxin, TAMC/TYMC sterility, and ICP‑MS heavy metals from the same lab on the same lot, so the numbers line up.
| Lab | Based | Blind‑test track record | Full 5‑test panel | Public verification |
|---|---|---|---|---|
| Janoshik Analytical | Prague, CZ | Yes, 10+ years | Yes | QR + task number |
| ILS Laboratories | San Diego, US | Not a focus | Yes | Access code |
| Vanguard Laboratory | US | Not a focus | Yes | Portal |
| Chromate | Hudson NH, US | New since 2024 | Partial | Job number |
ILS and Vanguard hold ISO/IEC 17025 accreditation, which certifies the lab’s own procedures. Janoshik and Chromate do not. Accreditation confirms how a lab works; it does not tell you whether the seller sent a representative sample. That is what a blind‑test culture and multi‑vial submissions are for, and it is why we chose Janoshik for every lot.
Kits and pricing
Sold as 10‑vial research kits. Priced like it.
Prices per kit of ten vials. Unlabeled shown; Coherent‑labeled adds $30.
NAD+
10 vials
10 × 500 mg
$280
$28.00 / vial
10 × 1000 mg
$351
$35.10 / vial
Lyophilized. Lot‑matched Janoshik report. Ships cold‑packed from −86°C storage.
GHK‑Cu
10 vials
10 × 50 mg
$173
$17.30 / vial
10 × 100 mg
$235
$23.50 / vial
Lyophilized. Lot‑matched Janoshik report. Ships cold‑packed from −86°C storage.
Unlabeled · lowest price
Ten vials with a plain lot sticker. Same compound, same purity, same report, same box. Most customers choose this.
Coherent label · +$30 per kit
Ten vials with the full printed label: name, amount, and lot on every vial.
34 kits in the full catalog. Every one is tested the same way. See all kits and prices.
Check our work before you order.
Every kit carries a lot number. Ask us for the Janoshik task number for that lot, or find it on the product page, and confirm the report on Janoshik’s own site. No login, no PDF from us to take on faith.
- Take the lot number from the kit page or your box.
- Open Janoshik’s public verification page.
- Enter the task number. The report opens on their domain, not ours.
Quick answers
Before you click through
Ten sealed vials of one compound at the listed amount, in a Coherent box with a cold pack and a lot number that matches its test report.
No. Every product is a 10‑vial kit. Buying by the kit is how the per‑vial price stays low.
Laboratories, researchers, and qualified professionals. You confirm research or professional use at checkout. There is no account approval step.
The vials carry a plain lot sticker instead of the full printed Coherent label. The compound, purity, box, and report are identical. It costs $30 less per kit.
No. These are laboratory reagents supplied for research use only. They are not dietary supplements, not medicines, and not for human or veterinary use. Nothing on this site describes what any compound does.
On coherentsupply.com. This page is an overview. All prices and stock are on the main store.