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中文名称英文名称CAS 编号规格目录价所属品牌订货号
HEPESHEPES7365-45-925G¥312.00SIGMAH4034
HEPESHEPES7365-45-9100G¥900.00SIGMAH4034
HEPESHEPES7365-45-9500G¥3,260.00SIGMAH4034
HEPESHEPES7365-45-91KG¥5,700.00SIGMAH4034
HEPESHEPES7365-45-95KG¥16,300.00SIGMAH4034
HEPESHEPES7365-45-925KG¥55,200.00SIGMAH4034
品牌SIGMA
产品名称 HEPES : HEPES ——【产品编号:SIGMA-H4034】
CAS编号7365-45-9
别名N-2-羟乙基哌嗪-N'-2-乙基磺酸,4-(2-羟乙基)哌嗪-1-乙磺酸,N-(2-羟乙基)哌嗪-N′-(2-乙磺酸),4-羟乙基哌嗪乙磺酸,4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid, Hydroxyethyl)piperazine-N'-2-ethane sulfonic acid
级别细胞培养级
纯度&分析≥99.5% (titration),cell culture tested,Biotechnology Performance Certified
Tips此产品经特殊纯化处理,可用于细胞培养、缓冲剂等各项科学研究。
分子式C8H18N2O4S
分子量238.30
储存条件常温避光保存。
性质
grade Biotechnology Performance Certified
assay ≥99.5% (titration)
total impurities endotoxin and total aerobic microbial count, tested
useful pH range 6.8 - 8.2
pKa (25 °C) 7.5
cation traces Fe: ≤5 ppm
  heavy metals (as Pb): ≤5 ppm
abs. A0.1M/260, H2O ≤0.05
  A0.1M/280, H2O ≤0.05
suitability cell culture tested
foreign activity DNase, RNase, NICKase, protease, none detected
原产地美国
描述
APPEARANCE WHITE CRYSTALLINE POWDER
SOLUBILITY CLEAR COLORLESS SOLUTION AT 500MG/ML IN WATER
WATER BY KARL FISCHER < OR = 0.1%
UV ABSORBANCE < OR = 0.05 AT 290NM (33%W/W)
  < OR = 0.05 AT 260NM (0.1M)
  < OR = 0.05 AT 280NM (0.1M)
HEAVY METALS < OR = 5 PPM (ASLEAD)
IRON (FE) < OR = 5 PPM
PURITY BY SODIUM HYDROXIDE TITRATION * > OR = 99.5%
IR SPECTRUM CONFORMS TO STRUCTURE
DNASE, EXONUCLEASE DETECTION NONE DETECTED
NICKASE,ENDONUCLEASE DETECTION NONE DETECTED
RNASE DETECTION NONE DETECTED
PROTEASE DETECTION NONE DETECTED
ENDOTOXIN ASSAY < OR = 0.1 EU/MG
TOTAL AEROBIC MICROBIAL COUNT < OR = 100 CFU/G
CELL CULTURE TEST PASS
供货状态True
参考文献

Merck 14,4654

Beil. 23,V,2,379

类型缓冲介质
安全信息
个人防护装备 Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK德国 1
RTECS TL6809000