HEPES化学名称:4-羟乙基哌嗪乙磺酸,CAS:
7365-45-9,含量:99.0%,分子式:
C8H18N2O4S ,分子量:
238.31,PH值范围:6.8-8.2。hepes的用途:生物缓冲剂,用在生化诊断试剂盒、DNA/RNA提取试剂盒及PCR诊断试剂盒里。对细胞无毒性作用。它是一种氢离子缓冲剂,能较长时间控制恒定的pH范围。使用终浓度为10-50mmol/L,一般培养液内含20mmol/LHEPES即可达到缓冲能力。1mol/L
HEPE缓冲液配制方法如下:准确称取HEPTS
238.3g,加入新鲜三蒸水定容至1L。过滤除菌,分装后4℃保存。
详细参数:HEPES
FREE ACID
(N-[2 HYDROXYETHYL] PIPERAZINE -N'-[2-ETHANESULFONIC ACID])
High Purity Grade
C8H18N2O4S MW: 238.3 [7365-45-9]
Purity (Dry Basis) (%)................................. > 99.0
pKa @20°C ........
...............................<4.5 - 7.65
Residue on Ignition .. .. .... ......................... < 0.2
Heavy Metals (as Pb) ................................ < 0.0005
Iron ................................ ............... < 0.0005
DNase ...... ................................... None Detected
RNase . .... ................................... None Detected
Protease ............. ......................... None Detected
Storage at RT Amresco 0511
订货信息:
|
货号 |
品名 |
规格 |
市场价(元) |
促销价(元) |
产地 |
|
0511 |
HEPES |
100g |
350 |
280 |
Amresco |
|
0511 |
HEPES |
500g |
1400 |
980 |
Amresco |
|
0511 |
HEPES |
1kg |
1800 |
1680 |
Amresco |
|
0511 |
HEPES |
25kg |
28000 |
22400 |
Amresco |
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