Blend
Retatrutide + Tirzepatide
Lot-matched COA · Third-party tested20 mg + 40 mg blend. >99% HPLC.
- ≥99% purity spec
- ≤0.05 EU/mg endotoxin
- USP <71> — 14-day incubation
- Lot-matched COA
$190
The documentation guarantee
Released against a ≥99% chromatographic purity specification, identity confirmed by mass spectrometry, with a Certificate of Analysis carrying the vial's own lot number.
- Certificate of Analysis published for every released lot
- Same-day dispatch on orders before 2:00 PM CT
- Free shipping over $250
- Unmarked packaging — no product names outside
SKU DEV-RETA-TIRZ
20 mg + 40 mg blend. >99% HPLC.
Supplied as a laboratory reference material. Store as indicated on the vial label and consult the lot Certificate of Analysis for solvent guidance.
Retatrutide
| CAS number | 2381089-83-2 |
|---|---|
| Molecular formula | C221H342N46O68 |
| Average molecular weight | 4,731.40 g/mol |
| Amino-acid count | 39 |
| Peptide class | lipidated 39-residue peptide analogue |
| Physical form | Lyophilized powder |
| Research area | Metabolic research |
| Solubility | Soluble in sterile or bacteriostatic water; consult the lot COA for solvent guidance |
Tirzepatide
| CAS number | 2023788-19-2 |
|---|---|
| Molecular formula | C225H348N48O68 |
| Average molecular weight | 4,813.45 g/mol |
| Amino-acid count | 39 |
| Peptide class | lipidated 39-residue peptide analogue |
| Physical form | Lyophilized powder |
| Research area | Metabolic research |
| Solubility | Soluble in sterile or bacteriostatic water; consult the lot COA for solvent guidance |




