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D5545

DL-二硫苏糖醇

BioXtra, ≥99.0% (titration)

别名:

1,4-二巯基苏糖醇, DTT, 克莱兰氏试剂

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关于此项目

线性分子式:
HSCH2CH(OH)CH(OH)CH2SH
化学文摘社编号:
3483-12-3
分子量:
154.25
UNSPSC Code:
12352201
NACRES:
NA.21
PubChem Substance ID:
24893941
EC Number:
222-468-7
Beilstein/REAXYS Number:
1719757
MDL number:
MFCD00004877
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product line

BioXtra

Quality Level

200

assay

≥99.0% (titration)

form

powder

reaction suitability

reagent type: reductant

impurities

Insoluble matter, passes filter test, ≤0.3% 4,5-dihydroxy-1,2-dithiane

pH

4.0-6.0 (20-25 °C, 0.1 m in H2O)

mp

41-44 °C (lit.)

solubility

H2O: 0.1 M, clear, colorless

anion traces

sulfate (SO42-): ≤0.005%

cation traces

Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0005%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.1%, Ni: ≤0.0005%, Pb: ≤0.0005%, Sr: ≤0.0005%, Zn: ≤0.0005%

absorption

≤0.100 at 280 in H2O at 0.1 M, ≤0.400 at 260 in H2O at 0.1 M

storage temp.

2-8°C

SMILES string

O[C@H](CS)[C@H](O)CS

InChI

1S/C4H10O2S2/c5-3(1-7)4(6)2-8/h3-8H,1-2H2/t3-,4-/m1/s1

InChI key

VHJLVAABSRFDPM-QWWZWVQMSA-N

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。DTT 的刺激性和毒性都低于 2-巯基乙醇。通常，使用 DTT (100mM) 所需的浓度是使用 2-巯基乙醇 (5% v/v, 700mM) 的浓度的七分之一。

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pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Irrit. 2

存储类别

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
SLCL2186
SLCL2184
SLCK7087
SLCK1438
SLCJ5644

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全球贸易项目编号

货号GTIN
D5545-25G04061835544011
D5545-1G04061833586419
D5545-5G04061835515981