2-[4 (2-Hydroxietyl)-1-piperazinyl]-ethan sulfonsyra 99,5 Titrimetrisk, cGMP-manufactured

Leverantör: Spectrum Chemical

Synonyms: HEPES free acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid), 4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid, N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acid, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acid

H1804-12KGBL H1804-1KGBL H1804-25KGBL
SPCMH1804-12KGBLEA 214150 SEK
SPCMH1804-12KGBL SPCMH1804-1KGBL SPCMH1804-25KGBL
2-[4 (2-Hydroxietyl)-1-piperazinyl]-ethan sulfonsyra 99,5 Titrimetrisk, cGMP-manufactured
HEPES

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.

Formel: C₈H₁₈N₂O₄S
MW: 238.31 g/mol
Storage Temperature: Omgivande
MDL Number: MFCD00006158
CAS nummer: 7365-45-9
EINECS: 230-907-9
Merck Index: 13,04672

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Specifikation testresultat

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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