We keep running into the problem of inconsistent vial sizes and labeling across different suppliers for our metabolic studies, which is a headache when you're trying to standardize protocols across multiple labs.
what it does is let us order custom vial sizes and labeling directly, so every batch comes with the same concentration and packaing—it basically eliminates that variability without us having to repackage anything ourselves.

The powder itself is a white crystalline solid with a purity of ≥99% by HPLC, and melting point falls in the 128-131°C range, which is tighter than what we've seen from some bulk suppliers (usually 126-132°C or so). And it's got that high water solubility—1000 g/L at 20°C—which matters for our cell culture work where we need to hit consistent molar concentrations without solids crashing out. The molecular weight is 122.12 g/mol, and CAS is 98-92-0, but you probably already have that in your system.

50 units or so is the MOQ for custom labels, but for bulk synthesis our company can go down to 25 kilos if we push it. We usually have stock, but confirm lead time if you need more than 200 kilos—it's typically 2-4 weeks (check lead time for anything over 500). Storage is just room temperture in a dry place, so no cold chain issues.

One thing—this isn't ideal for topical formulation work where you need micronized particle size; the standerd crystalline powder is better suited for oral or injection-based research. Most buyers go with the 5mg or 10mg vial size depending on their, but we've also ordered 20mg for a few NAD+ precursor studies.
Actually, a detail you might not think to ask: the custom labeling includes lot number and expiration date printed directly on the vial, which saved us a lot of time during our last audit because teh COA matched exactly what was on the label.