Residual-solvent records (GC)
A gas-chromatography run screens for solvents left over from synthesis and lyophilisation, each reported in parts per million against its own limit.
22 test records across 22 lots.
| Compound | Presentation | Lot | Method | Laboratory | Date | Result | Record |
|---|---|---|---|---|---|---|---|
| Adamax 10mg | — | V260910-10 | GC-MS | Vanguard Laboratory | 9/29/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| Cagrilintide / LP3-R Blend | 10mg | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| 5-Amino-1MQ 50mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| AHK-Cu 50mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| BPC-157, TB-500 Blend 20mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| CJC-1295 (No DAC), Ipamorelin 20mg (Blend) | — | V260902-51 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| Cartalax 20mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| Glutathione 600mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| Snap-8 10mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| LL-37 5mg | — | V260902-51 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| FOXO4-DRI 10mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| AHK-Cu 100mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| Tesamorelin 20mg | — | V260908-14 | GC-MS | Vanguard Laboratory | 9/25/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Trifluoroacetic Acid (TFA)=ND (<0.10%) | Open record |
| ARA-290 | 16mg | V260730-6 | GC-MS | Vanguard Laboratory | 8/16/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 5mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 10mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 15mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 20mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 30mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 40mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 50mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
| LP3-R | 60mg | V260629-18 | GC-MS | Vanguard Laboratory | 7/23/2026 | Acetone=ND ppm | Benzene=ND ppm | Butanes=ND ppm | Chloroform=ND ppm | Cyclohexane=ND ppm | Dichloromethane=ND ppm | Ethanol=ND ppm | Ethyl Acetate=ND ppm | Heptane=ND ppm | Hexanes=ND ppm | Isopropanol=ND ppm | Methanol=ND ppm | Pentanes=ND ppm | Propane=ND ppm | Toluene=ND ppm | Total Xylenes=ND ppm | Open record |
What this test measures
A gas-chromatography run screens for solvents left over from synthesis and lyophilisation, each reported in parts per million against its own limit.
Acetonitrile and trifluoroacetic acid (TFA) are the two rows most often asked about on a peptide lot.
Further reading: our testing methodology.
Laboratories
- Vanguard Laboratory, A2LA cert 6377.01.01
Cite this record
Licensed Peptides, Residual-solvent records (GC), retrieved 5 November 2026, https://licensedpeptides.com/lab-reports/residual-solvents/.
Data on this page is published under CC BY 4.0. Reuse it, with attribution. Machine-readable copies: data.csv · data.json.
For laboratory research use only. Not for human or veterinary use.