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If you're troubleshooting inconsistent yields in your peptide synthesis, it's almost always the linker qualiy—this one has a dirt simple AEEA-AEEA spacer that's known to fold cleanly, and we've seen it knock out coupling failures (usually 2-3% loss in crude purity) that cheaper batches cause.
It's a white to pale yellow powder, CAS 1188328-37-1, and at ≥99.9% purity teh HPLC trace barely shows baseline—basically, you bypass that extra recrystallization step because the impurity profile is that flat, though we don't recommend it for anything oral since it's strictly research-use only.
2-8°C storage, dry conditions—don't skip dessicant packaging (a 5L drum actually takes longer to warm up, so your techs can split it at room temp without condensation forming if they're fast enough, but we usually keep portioned vials for small runs).
Custmized packaging? We'll do 100g drums or 1kg bags and include a COA that gives you the residual solvents at ppm level—most buyers go with the 250g foil pouch (easier to seal) and we've got stock on that anyway.
Lead time is 10 business days or so for 50 units, give or take—honest to god, we're faster than most for this grade since we hold the starting matrial, but confirm lead time if you're under a 3-week deadline.
