V
Vanguard Laboratory
Independent Analytical Testing · ISO 17025 Accredited
Vanguard Laboratory, LLC
2635 Parkmont Ln SW
Olympia, WA 98502, USA
Tel: (360) 967-7010
[email protected]
Olympia, WA 98502, USA
Tel: (360) 967-7010
[email protected]
Certificate of Analysis
RU-58841 5% Topical · 50 mg/mL × 30 mL · Lot RUT822
- Report To
- IGF1 Shop · igf1shop.com
- Laboratory ID
- V269070-2 075
- Compound
- RU-58841 5% Topical
- Lot Number
- RUT822
- CAS Number
- 154992-24-2
- Molecular Weight
- 369.34 Da
- Sample Received
- 2026-04-12
- Analysis Conducted
- 2026-04-14
- Date Released
- 2026-04-17
- Physical Appearance
- Reconstituted clear liquid
1. Identity & Purity
| Specification | Method | Result | Status |
|---|---|---|---|
| Identity confirmation | RP-HPLC + ESI-MS comparison to reference | Conforms | Pass |
| Chromatographic purity | HPLC-UV/VIS, C18 RP, 220 nm | 99.11% ± 0.20% | Pass |
| Quantitative assay | HPLC-UV/VIS | 50.070 mg (target 50 mg) | Pass |
| Mass confirmation (ESI-MS) | Electrospray ionization mass spectrometry | Within ±1 Da of theoretical | Pass |
2. HPLC Chromatogram
DAD1 A, Sig=220, 4 Ref=off · Column: ZORBAX Eclipse Plus C18, 4.6×150 mm, 3.5 µm · Flow: 1.0 mL/min
Injection: 10 µL · Temp: 30 °C
Reference standard: USP/EP-grade · Run ID V269070-2 075
Integration software: Agilent OpenLAB CDS 2.7
3. Microbiological & Safety Assays
| Specification | Method | Result | Status |
|---|---|---|---|
| Bacterial endotoxins | LAL kinetic chromogenic | < 0.180 EU/mg | Pass |
| Sterility | USP <71> · BacT/ALERT | No growth detected | Pass |
| Water content | Karl Fischer titration | 0.56% | Pass |
| Acetate content | Ion chromatography | 3.01% | Pass |
4. Heavy Metals (ICP-MS)
| Analyte | Method | LOQ (ppm) | Result (ppm) | Status |
|---|---|---|---|---|
| Arsenic (As) | ICP-MS | 0.01 | ND | Pass |
| Cadmium (Cd) | ICP-MS | 0.01 | ND | Pass |
| Lead (Pb) | ICP-MS | 0.01 | ND | Pass |
| Mercury (Hg) | ICP-MS | 0.005 | ND | Pass |
ND: Non-Detect (below LOQ). LOQ: Limit of Quantification.
5. Storage & Stability
| Recommended storage | +2 °C to +8 °C, protected from light |
| Stability under recommended conditions | 24 months from release date |
| Retest date | 2027-04-17 |
| Container closure | 10 mL clear borosilicate vial · butyl rubber stopper · aluminum flip-off seal |
Report by
Dustin Newman
Dustin Newman
Laboratory Director
Date: 2026-04-14
Approved & released by
Tori Johnson
Tori Johnson
Operations Manager
Date: 2026-04-17
ISO170252017
ISO/IEC 17025:2017 Accredited Testing Laboratory
Accredited by the American Association for Laboratory Accreditation (A2LA) for analytical chemistry, biopharmaceutical assays, and microbiological testing.
A2LA Cert. #6377.01.01
Scope: pharmaceutical & biological analysis
vanguardlaboratory.com
vanguardlaboratory.com
Reference: A2LA Certificate #6377.01.01. Sample received in good condition. Results apply only to the items tested. Vanguard Laboratory, LLC did not participate in sampling. The compound described is intended for laboratory research use only — not for human or animal consumption, drug, food, agricultural, or cosmetic application.
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Document V269070-2 075 · Released 2026-04-17