Allergen: Que a 1.0301 (Quercus alba) Common name: White oak Unit: 250µg Source: E. coli Mol. Wt: 18kD Purification: Multi-step chromatographic purification. Purity > 95 % by silver stained SDS-PAGE Concentration: See product insert. Formulation: Preservative-free and carrier-free in 20mM Tris, 0.3M NaCl, 0.2M L-Arginine, pH 8.0. Sterile filtered. Storage: Store at -20◦C. Re-freeze unused...$685Add to cart
