货号: | SIGMA 43815-1G |
保存条件: | 2-8℃ |
CAS号: | 3483-12-3 |
供应商: | 中科晨宇 |
英文名: | DL-Dithiothreitol |
规格: | SIGMA 43815-1G |
DL-二硫苏糖醇 DTT SIGMA43815-1G
BioUltra, for molecular biology, ≥99.5% (RT)
- 产品编号:43815
- 中文名称:DL-二硫苏糖醇 DTT
- 英文名称:DL-Dithiothreitol
- CAS号:3483-12-3
- 分子式:HSCH2CH(OH)CH(OH)CH2SH
- 分子量:154.25
- 纯度:≥99.5%
- 保存温度:2-8 °C
- EC号:222-468-7
- MDL号:MFCD00004877
订货信息:
产品规格价格(RMB)
- 43815-1G980.46元
- 43815-5G3,127.41元
- 43815-25G11,512.80元
性能描述
Application
用于将 −SH 基保持在还原态的绝佳试剂;定量还原二硫化物。在 SDS-PAGE 前,DTT 在样品缓冲液中可有效还原蛋白二硫键。DTT 还可用于还原交联剂 N,N′-双(丙烯酰)胱胺的二硫键桥以分解聚丙烯酰胺凝胶基质。
Other Notes
Isolation of RNA using guanidinium salts. Inclusion of a reductant enhances denaturation by breaking intramolecular protein disulfide bonds.1
性质
Related Categories | Alphabetical BioUltra Biochemicals and Reagents,Carbohydrates Denaturation更多... |
grade | for molecular biology |
product line | BioUltra |
assay | ≥99.5% (RT) |
total impurities | DNases, none detected |
RNases, none detected | |
insoluble matter, passes filter test | |
phosphatases, none detected | |
proteases, none detected | |
≤0.3% 4,5-dihydroxy-1,2-dithiane | |
pH | 4.0-6.5 (25 °C, 0.1 M in H2O) |
mp | 41-44 °C(lit.) |
solubility | H2O: soluble0.1 M at 20 °C, clear, colorless |
anion traces | sulfate (SO42-): ≤50 mg/kg |
cation traces | Al: ≤5 mg/kg |
As: ≤0.5 mg/kg | |
Ba: ≤5 mg/kg | |
Bi: ≤5 mg/kg | |
Ca: ≤10 mg/kg | |
Cd: ≤5 mg/kg | |
Co: ≤5 mg/kg | |
Cr: ≤5 mg/kg | |
Cu: ≤5 mg/kg | |
Fe: ≤5 mg/kg | |
K: ≤50 mg/kg | |
Li: ≤5 mg/kg | |
Mg: ≤5 mg/kg | |
Mn: ≤5 mg/kg | |
Mo: ≤5 mg/kg | |
Na: ≤100 mg/kg | |
Ni: ≤5 mg/kg | |
Pb: ≤5 mg/kg | |
Sr: ≤5 mg/kg | |
Zn: ≤5 mg/kg | |
λ | 0.1 M in H2O |
UV absorption | λ: 260 nm Amax: 0.400 |
λ: 280 nm Amax: 0.100 | |
storage temp. | 2-8°C |
温馨提示:不可用于临床治疗。