- Certificate
- IP-COA-LC-261005
- Issued
- 7 October 2026
- Status
- released
L-Carnitine
Sterile aqueous solution of levocarnitine
- 20 mL
- IdentityConfirmedHPLC retention time against reference standard
- Endotoxin< 0.05 EU/mLKinetic chromogenic LAL
- SterilityNo growthMembrane filtration
- Analysed4 October 2026Batch made 1 October 2026
Full analytical results
Tests and specifications
| Test | Method | Specification | Result | Status |
|---|---|---|---|---|
| Appearance | Visual inspection | Clear, colourless solution, free from visible particles | Conforms | Pass |
| Identity | HPLC retention time against reference standard | Conforms to reference | Conforms | Pass |
| Assay | HPLC with UV detection | 95.0 to 105.0% of label claim | 97.7% | Pass |
| pH | Potentiometry at 25 °C | 4.0 to 7.0 | 5.4 | Pass |
| Particulate matter | Light obscuration (USP <788>) | ≤ 6000 particles ≥ 10 µm per container (USP <788>) | Conforms | Pass |
| Bacterial endotoxins | Kinetic chromogenic LAL | < 0.25 EU/mL | < 0.05 EU/mL | Pass |
| Sterility | Membrane filtration (USP <71>) | No growth | No growth | Pass |
| Container closure integrity | Dye ingress | No ingress | Conforms | Pass |
Reference data
- CAS number
- 541-15-1
- Molecular formula
- C7H15NO3
- Molecular weight
- 161.20 g/mol
- Modifications
- The single L enantiomer, (3R)-3-hydroxy-4-(trimethylammonio)butanoate, a zwitterion.
Public reference values for the compound, not measurements on this batch. The batch measurements are in the table above.
Storage and handling
- Unopened
- Room temperature, away from light
- After first withdrawal
- 2 to 8 °C, use within 4 weeks
- In transit
- Stable at ambient temperature
- Do not
- Freeze
The vial this covers
The label on your vial carries the same batch code as this certificate, IP-LC-261001, and the QR goes to the results for it. If the code on the vial is not this one, the certificate for it is on this page under earlier batches.
Sticker shown at its printed size, 40 by 20 mm. Cap colour may vary by batch.
Release
- Batch date
- 1 October 2026
- Analysis date
- 4 October 2026
- Issue date
- 7 October 2026
- Best before
- October 2028
- Released by
- Quality review, Indigo Peptides
- Document
- Valid only in its original, unmodified form
Results are taken from the batch testing documentation for this exact batch, supplied with the finished vials and held on file by us. Every value above is for the batch named on this certificate and for no other.
Holding an older vial?
| Batch | Analysed |
|---|---|
| IP-LC-260911 | 14 September 2026 |
If the code on your vial is one of these, it is an earlier batch of ours and these are its results. A result we have published is never removed and never recalculated.