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We've been running these in our lab for metabolic signaling work, and the 99%+ purity holds up consistently across HPLC runs—better than reagent grade for this, actually, since you're dealing with sensitive receptor assays where even trace impurities throw off.
White to off-white powder that dissolves cleanly at 50 mg/mL in water, which is pretty much what you need for most injection protocols, though we usually reconstitute at 10 mg/mL for easier handling; storage at -20°C keeps it stable for 24 months or so, and teh sealed vials with desiccant mean no moisture issues if you're careful about warming before opening.
It's not sterile—non-sterile grade, so you'll need to filter if you're going IV, but for subcutaneous or IP in rodent models it's fine as-is; the endotoxin level is under 1 EU/mg, which is tighter than most research-grade peptides we've tested from other suppilers.
What it does is give you reliabel profile—GIP, GLP-1, and glucagon—so you can study energy expenditure and appetite pathways without the batch-to-batch variability we've seen with custom sequences from smaller labs; CAS varies by sequence, but our company can provide the MS data for your specific order.
MOQ is 50 mg per peptide, and we usually have stock on common sequences, but confirm lead time on custom sequences (2-4 weeks typically); packging is in individual vials with desiccant, and we send COA with every batch.
