Cartalax

Ran independent HPLC verification — purity matched the included COA within 0.3%. Packaging arrived cold with intact seal.

Reconstituted cleanly in BAC water with zero turbidity. Mass spec confirmed expected molecular weight.

Have tested several batches by NMR — clean spectra, no detectable solvent residues.

Used in a comparative assay against two other suppliers — this lot showed the cleanest baseline by a wide margin.

Ran independent HPLC verification — purity matched the included COA within 0.3%. Packaging arrived cold with intact seal.

Pricing is fair for the purity level. Documentation is thorough and the COA is signed and dated.