HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) ≥99.5% (by titrimetric analysis), cGMP-manufactured
Supplier: SPECTRUM CHEMICAL MFG
H1804-12KGBL
H1804-1KGBL
H1804-25KGBL
SPCMH1804-12KGBLEA
16760
EUR
SPCMH1804-12KGBL
SPCMH1804-1KGBL
SPCMH1804-25KGBL
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) ≥99.5% (by titrimetric analysis), cGMP-manufactured
HEPES (4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid)
HEPES, cGMP Manufactured is a zwitterionic biological buffer and is one of Good's buffers widely used in cell culture. Non-graded HEPES, cGMP Manufactured supplied by Spectrum is indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.
Formula:
C₈H₁₈N₂O₄S MW: 238.31 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00006158 CAS Number: 7365-45-9 EINECS: 230-907-9 Merck Index: 13,04672 |
Specification Test Results
APPEARANCE | WHITE FINE POWDER |
ASSAY (TITRATION) | min. 99.5 % |
pH OF A 5% AQUEOUS SOLUTION | 4.5 - 6.5 |
pKa @ 25°C | 7.35- 7.75 |
Absorbance @ 260 nm (0.05 M in water) | max. 0.05 AU |
Absorbance @ 280 nm (0.05 M in water) | max. 0.03 AU |
WATER (KF) | max. 0.5 % |
HEAVY METALS (as Pb) | max. 5 ppm |
INSOLUBLE MATTER | max. 0.1 % |
TOTAL AEROBIC MICROBIAL COUNT | max. 100 cfu/g |
TOTAL YEAST AND MOLD COUNT | max. 100 cfu/g |
BACTERIAL ENDOTOXIN | As reported |
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