RYZEN
Certificate of analysis
Batch
RYZ-RETA-26041
Material
Retatrutide
Purity, RP-HPLC
99.3%
Gradient elution · UV 214 nm · area percent
Results
- Purity (RP-HPLC)
- 99.3% area
- Observed mass
- 4731.5 Da
- Theoretical mass
- 4731.33 Da
- Water (Karl Fischer)
- 2.9%
- Residual acetate
- ≤ 8.0%
Release
- Date of release
- 19 April 2026
- Appearance
- Conforms
- Disposition
- Released to specification
- Issued by
- Ryzen Research Ltd
Methods
- Purity: reversed-phase HPLC, gradient elution, UV 214 nm, area %
- Identity: electrospray ionisation mass spectrometry (ESI-MS)
- Water content: Karl Fischer coulometric titration
- Appearance: visual inspection against reference standard
This certificate reports measurements made on batch RYZ-RETA-26041 and applies to that batch only. Material is released for laboratory research use and is not a medicine, food or veterinary product, and not for human or animal use. Appearance is assessed visually against a reference description. Full analytical records are retained by Ryzen Research Ltd and are available on request.