Peptide Analogs

Retatrutide

Also catalogued as: Retatrutide (INN)

Synthetic 39-residue peptide acylated with a C20 fatty diacid at Lys17; its sequence incorporates elements drawn from GIP, GLP-1 and glucagon.

Size

Purity 99.63% — lowest of 3 laboratories · lot EP-A1003 · 10mg certificates →

For in-vitro laboratory research by qualified professionals. Not for human or veterinary use.

Specifications

Systematic name
Retatrutide (INN)
Chemical class
Acylated Peptide Analog
CAS registry
2381089-83-2 · PubChem
Molecular weight
4,731 g/mol
Amino acids
39
Form
Lyophilized powder
Structure note
C20 fatty-diacid chain at Lys17

Quality documentation

Certificates on record for this compound-size. Purity is the lowest reported figure. Three laboratories release a size.

10mg
lot EP-A1003 · purity 99.63% · 3 of 3 certificates
20mg
lot EP-B1004 · purity 99.54% · 3 of 3 certificates
30mg
no released lot on record · purity 99.45% · 2 of 3 certificates · pending

Intended use

For in-vitro laboratory research by qualified professionals. Not for human or veterinary use of any kind — not a drug, food, cosmetic or supplement. The buyer is responsible for lawful handling, storage and disposal.

Researchers should consult the primary scientific literature for published experimental protocols and conditions relevant to their specific in-vitro or laboratory applications.

Certificates of analysis

Per size, per lot — three laboratories each.

10mg · lot EP-A1003

Aegis Analytical

Purity 99.63%

Lot EP-A1003 · tested 2026-02-04

Legacy record — file not on record

Certus Diagnostics

Purity 99.65%

Lot EP-A1003 · tested 2026-02-11

Legacy record — file not on record

Meridian Bioassay

Purity 99.64%

Lot EP-A1003 · tested 2026-01-28

Legacy record — file not on record

20mg · lot EP-B1004

Aegis Analytical

Purity 99.54%

Lot EP-B1004 · tested 2026-02-04

Legacy record — file not on record

Certus Diagnostics

Purity 99.56%

Lot EP-B1004 · tested 2026-02-11

Legacy record — file not on record

Meridian Bioassay

Purity 99.55%

Lot EP-B1004 · tested 2026-01-28

Legacy record — file not on record

30mg · No released lot on recordPending

Aegis Analytical

Purity 99.45%

Lot EP-C1005 · tested 2026-02-04

Legacy record — file not on record

Meridian Bioassay

Purity 99.46%

Lot EP-C1005 · tested 2026-01-28

Legacy record — file not on record

Awaiting certificate

Not yet reported.