A research literature name is not automatically a catalog SKU.
This storefront lists a fixed set of research reagents. A name that circulates in the wider research literature is not automatically a SKU here. Identity notes on the blog exist so purchasing teams can tell catalog cards from analogues we do not stock — before a purchase order is cut and before a lot is booked into LIMS.
Document the check shown above before moving to the next figure — label fields, lot paper, and pack notes belong on the same receiving record.
Research use only. Do not treat storefront nicknames as a substitute for sequence, CAS, or observed mass on the certificate.
Buyers should match CAS and sequence on the product card to the lot certificate — not to a nickname alone.
The storefront rule
We only publish product cards we can support with named identity fields (sequence or structure, registry numbers when applicable) and lot paper on request. An analogue may be well-known in public databases and still absent from the storefront. Do not infer that a blog identity note means the compound is for sale.
Melanotan II is the clearest example: a cyclic α-MSH analogue (commonly Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2, CAS 121062-08-6 in public listings; PubChem CID 92432). It is not listed here. It is also not KPV. See Melanotan II identity and KPV is α-MSH 11–13.
Examples that collide with listed names
- CJC-1295 with DAC vs without DAC (modified GRF 1-29): different formulae and masses — neither is a catalog SKU here. See DAC vs no-DAC and CJC-1295 identity.
- TB-500 on this site is the Ac-LKKTETQ fragment listing, not intact thymosin β4. See TB-500 vs thymosin β4.
- Named blends without component CAS are not single substances. See One vial, two CAS numbers and GLOW 70.
Listed example: AOD-9604 — sequence and CAS live on the catalog card and should match the lot COA.
Comparison table
| Name buyers see | Is it a BioLabs SKU? | What to verify |
|---|---|---|
| Melanotan II | No | CAS 121062-08-6 / CID 92432 — do not map to KPV |
| KPV | Yes | α-MSH 11–13 identity on the product page |
| CJC-1295 (DAC / no DAC) | No | Formula + mass; do not map onto tesamorelin/ipamorelin blend |
| AOD-9604 | Yes | Tyr-hGH 177–191 vs unmodified 176–191 |
| TB-500 (this catalog) | Yes (fragment) | Ac-LKKTETQ vs full Tβ4 CAS |
What to put on the PO and COA
If you need a listed reagent, match the product page CAS and sequence to the lot COA. Prefer the certificate’s sequence and observed mass over any marketing nickname. When a PO uses a name that can mean two formulae, require the certificate to print formula (or sequence plus modification) and observed mass before receiving.
For scope questions: admin@biolabsresearch.co. Related listed identity walkthrough: AOD-9604 vs hGH 177–191.
Purchase-order hygiene for mixed nickname environments
Multi-site labs often share a master item dictionary that grew from several vendors. That dictionary is where analogues sneak in as if they were interchangeable with listed SKUs. Before approving a blanket PO, export every peptide-like line and mark each row as listed here, identity note only, or unknown. Unknown rows need a CAS or sequence before the PO is released.
When a requester pastes a literature name into the cart notes, ask which public record they mean. A PubChem CID or CAS pasted into the PO comment field is enough to stop most collisions. If they cannot produce one, they are not ready to receive the material against a BioLabs SKU. Identity notes on this blog are deliberately written so procurement can link the ticket to a canonical explanation without inventing clinical claims.
Also separate “research interest” from “catalog commitment.” A principal investigator may want to read about Melanotan II or CJC-1295 DAC while ordering KPV or a tesamorelin/ipamorelin blend. Those are compatible behaviors only if the cart lines stay tied to listed cards. Scope questions can go to admin@biolabsresearch.co with the intended CAS list attached.
Re-audit the item dictionary whenever the catalog changes. Sixteen SKUs is a small surface; the risk is not catalog size — it is nickname gravity from older quotes and shared spreadsheets.
Related notes
References
- PubChem CID 92432 (melanotan-II), CAS 121062-08-6. https://pubchem.ncbi.nlm.nih.gov/compound/92432
- BioLabs Research catalog product pages — match SKU CAS/sequence to lot COA fields when ordering listed reagents.