StockOptions HEPES 04 pH 7.1, 185 ml

– 185 mL volume
– Sterile filtered
– Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

HR2-902-**
** = Refers to the reagent number in the kit.
For example, reagent number 1 = HR2-902-01

HEPES titrated to indicated pH using NaOH

HEPES
Synonyms: 2-[4-(2-Hydroxyethyl)-1-piperazinyl]ethanesulfonic acid or 4-(2-hydroxyethyl)piperazine-1-ethanesulfonic acid or N-(2-hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) C8H18N2O4S Mr 238.31 CAS Number [7365-45-9] EG/EC Number 230-907-9 Beilstein Registry 883043 Merck 14,4654 RTECS TL6809000 Purity > 99.0% pKa 7.5 Useful pH range of HEPES buffer 6.8-8.2

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