Showing 19–23 of 23 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Biological StainsUltra High Purity Indigo Carmine (5 gm) $875.00 Add to cart Biological StainsMethylene BlueUltra High Purity Methylene Blue Powder (100 gms)Rated 5.00 out of 5 $800.00 Add to cart Biological StainsMethylene BlueUltra High Purity Methylene Blue Powder (25 gms) $300.00 Add to cart Biological StainsMethylene BlueUltra high purity Methylene Blue Powder (50 gms)Rated 4.83 out of 5 $410.00 Add to cart Biological StainsUltra High Purity Trypan Blue (5 gm) $1,500.00 Add to cart ← 1 2 3