ASY
Asymchem Laboratories (Tianjin) Co., Ltd.
Tianjin · China · est. 1998 · source page added 20 Aug 2026
Buy direct from ASY at asymchem.org →
Their storefront, not ours. Marked nofollow and sponsored, and nobody here is paid for it.
Tianjin, filed 1998, and the oldest operation on this ledger by some margin. What earns the entry is not the age but the paperwork habit: four laboratories are run against the same lot and all four certificates are published against the lot code, so a member can pull two of them independently and compare. Six lots are logged below and the independent figure has come back above the claim on every one. The two things this board has against it are the custom-synthesis queue, which runs well behind the catalogue side, and the six-warehouse dispatch model — the lot in the box is not always the lot on the newest certificate unless you ask.
- Legal name
- Asymchem Laboratories (Tianjin) Co., Ltd.
- Short code
- ASY
- Also known as
- ASY, Asymchem, Asymchem Laboratories
- Shop domain
- asymchem.org →
- City
- Tianjin
- Established
- 1998
- Community rating
- 95%
- Independent tests logged
- 6
Regional stock, so orders ship inside the buyer’s own country.
- Netherlands (Rotterdam) — European Union, 2-4 days
- Germany (Hamburg) — Germany, Austria, Switzerland, 2-4 days
- United Kingdom (London) — United Kingdom & Ireland, 2-3 days
- United States (California) — United States, 2-4 days
- Canada (Toronto) — Canada, 3-5 days
- Australia (Melbourne) — Australia & New Zealand, 3-5 days
- Four different laboratories are run against the same lot — Janoshik, Medutest, PeptideMeter and VendorInvestigate — and all four certificates are published against the lot code rather than a generic sample
- Synthesis is in house on their own solid-phase lines, so a question about a coupling, a deletion sequence or a rework goes to someone who ran it
- Release is at 98% and the published figures sit above it with room; across six lots logged here the independent number has never come back under the claim
- Six regional warehouses means the lot you receive may not be the lot on the newest certificate — quote the lot code in the first email and ask which stock the order will actually ship from
- Custom sequences are quoted individually and run behind the catalogue side; do not plan a bespoke order on catalogue lead times
- Cold-chain packing is standard on lyophilised material, but confirm it explicitly for a summer shipment to a hot destination — it is the one variable members have had to ask for by name
| Date | Service | Compound | Batch | Claimed | Result |
|---|---|---|---|---|---|
| 2026-07-18 | Janoshik | Tirzepatide 10mg | ASY-TR10-5370 | 98.0% | 99.51% |
| 2026-06-02 | Medutest | Retatrutide 10mg | ASY-RT10-5525 | 98.0% | 99.39% |
| 2026-04-30 | PeptideMeter | BPC-157 10mg | ASY-BC10-8610 | 98.0% | 99.13% |
| 2026-03-12 | Janoshik | Semaglutide 10mg | ASY-SM10-6553 | 98.0% | 99.45% |
| 2026-02-04 | VendorInvestigate | Test Cypionate 50mg/ml | ASY-C50-4124 | 98.0% | 98.72% |
| 2025-12-15 | Medutest | IGF-1 LR3 1mg | ASY-IP10-2489 | 98.0% | 99.77% |
| From | To | Carrier | Days |
|---|---|---|---|
| Tianjin | UK | DHL | 6-9 |
| Tianjin | EU | EMS | 8-13 |
- 1[Lab] split one vial across PeptideMeter and VendorInvestigate — 99.0% and 99.1%c/vendorvetting · 16k points · 64 comments
- 2[Vendor] WXT vs JEEP on the same compound, same month — both cleared 97.0%c/coa · 15k points · 38 comments
- 3[Vendor] GL Biochem vs GGPeps on the same compound, same month — both cleared 97.5%c/coa · 14k points · 51 comments
- 4purity is the most under-discussed thing on this boardc/coa · 13k points · 66 comments
- 5why does nobody talk about water contentc/coa · 13k points · 63 comments
- 6[Meta] the area percent rule is doing its job and people should stop complainingc/coa · 11k points · 58 comments
- 7unpopular opinion: most of what gets said here about PeptideMeter is guessworkc/vendorvetting · 11k points · 27 comments
- 8[Lab] FGP BPC — PeptideMeter came back 99.6% against a claimed 99.0%c/coa · 11k points · 28 comments
- 9vendor is the most under-discussed thing on this boardc/vendorvetting · 11k points · 65 comments
- 10how much of what we believe about batch actually comes from purity threadsc/coa · 10k points · 52 comments
certificate for lot ASY-TR10-5370 carried the column, the gradient and the wavelength. four labs on the same lot and the spread between them was under two tenths.
sent my own vial of the BPC-157 out. came back 99.1 against a claim of 98. that is the direction you want the surprise to go in.
day 7 to the UK from Tianjin, tracking moved every hop, customs paperwork right first time.
asked which warehouse the order would ship from before paying and got a straight answer with the lot code. no dance about it.
retatrutide arrived with the gel pack still cold. the outer box had no branding on it at all, which is what I asked for.
second order on the same line six months apart, 99.5 then and 99.5 now. the certificate layout had not changed either.
the semaglutide lot had all four lab reports on the product page before I ordered, not after I asked. I checked two of them against the labs directly.
custom sequence quote took four working days. the catalogue side answers same day, so plan accordingly — they told me that up front, to be fair.
test cyp came in at 98.7 on an oil, which is fine. carrier was clean, no crash after a week on the bench.
one vial in a ten-pack had a slightly soft cake. reconstituted clear, no haze. logging it because I would want to know.
emailed at 23:00 UK time and had an answer before I woke up. Talia answers with the actual number rather than a brochure line.
IGF-1 LR3 came back 99.8 which I did not believe until I pulled the second lab report on the same lot and it agreed.
certificate for lot ASY-TR10-5370 carried the column, the gradient and the wavelength. four labs on the same lot and the spread between them was under two tenths.
sent my own vial of the BPC-157 out. came back 99.1 against a claim of 98. that is the direction you want the surprise to go in.
day 7 to the UK from Tianjin, tracking moved every hop, customs paperwork right first time.
asked which warehouse the order would ship from before paying and got a straight answer with the lot code. no dance about it.
retatrutide arrived with the gel pack still cold. the outer box had no branding on it at all, which is what I asked for.
second order on the same line six months apart, 99.5 then and 99.5 now. the certificate layout had not changed either.
the semaglutide lot had all four lab reports on the product page before I ordered, not after I asked. I checked two of them against the labs directly.
custom sequence quote took four working days. the catalogue side answers same day, so plan accordingly — they told me that up front, to be fair.
test cyp came in at 98.7 on an oil, which is fine. carrier was clean, no crash after a week on the bench.
one vial in a ten-pack had a slightly soft cake. reconstituted clear, no haze. logging it because I would want to know.
emailed at 23:00 UK time and had an answer before I woke up. Talia answers with the actual number rather than a brochure line.
IGF-1 LR3 came back 99.8 which I did not believe until I pulled the second lab report on the same lot and it agreed.
Asymchem Laboratories (Tianjin) Co., Ltd. sells from its own storefront. Read what they say about themselves against the log above, then decide.
Go to the ASY store — asymchem.org →
Check the lot on the vial against the lot on the certificate when it arrives. A good record predicts your batch; it cannot guarantee it, and no storefront can.