ARA-290
Synthetic 11-residue peptide. Loti Labs supplies it as lyophilized powder in 10 mg vials, for laboratory research.

pGlu (also written pE) = N-terminal pyroglutamate, residue 1. Ser11 has a free C-terminal carboxyl group.
Specifications
Reference dataFormula, molecular weight and CAS number are reference values for the compound, not measurements of a specific batch.
- Compound
- ARA-290 (cibinetide)
- Class
- Synthetic 11-residue peptide
- Molecular formula
- C51H84N16O21
- Physical presentation
- Lyophilized powder, sealed vial
- Formats
- 10 mg vial
- Sequence
- pGlu-Glu-Gln-Leu-Glu-Arg-Ala-Leu-Asn-Ser-Ser-OH
- Reference form
- The molecular formula, molecular weight and CAS number shown refer to cibinetide without counterions.
- Reference support
- PubChem CID 91810664
How every batch is tested
MethodEvery Loti Labs batch goes to an independent, U.S.-based third-party laboratory.
- 1
Sample sent
Samples from the production batch go to the laboratory under the batch number.
- 2
Purity
HPLC separates sample components and can be used to assess chromatographic purity. Determining absolute compound content requires a validated quantitative assay.
- 3
Identity
Mass spectrometry provides evidence supporting compound identity, where reported.
- 4
Archived
The certificate is published and kept for good. Search the archive.
Questions researchers ask
ArchiveEvery certificate we have published is searchable in the COA archive.
What is the molecular formula and weight of ARA-290?
ARA-290 has the sequence pGlu-Glu-Gln-Leu-Glu-Arg-Ala-Leu-Asn-Ser-Ser-OH, molecular formula C51H84N16O21 and a molecular weight of 1257.3 g/mol, CAS 1208243-50-8. The molecular formula, molecular weight and CAS number shown refer to cibinetide without counterions.
How do I find the certificate for my vial?
Match the lot number printed on the vial label to the batch column in the history table, or search it in the Loti Labs COA archive. Every certificate is kept permanently under its batch number.
What is ARA-290 from Loti Labs intended for?
Loti Labs supplies ARA-290 strictly for laboratory, analytical and research use. It is not for human or veterinary use, and it is not a drug, food or cosmetic.
Ordering is open to registered researchers
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Research use only. This page is provided for laboratory, analytical and research reference. Products are not drugs, foods or cosmetics and are not for human or veterinary use.
