Merck
CN

M7133

Sigma-Aldrich

4-甲基伞形酮硫酸盐 钾盐

sulfatase substrate

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别名:
4-甲基伞形基硫酸钾
经验公式(希尔记法):
C10H7KO6S
CAS号:
分子量:
294.32
Beilstein:
3803203
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.32

质量水平

检测方案

≥99% (HPLC)

形式

powder

溶解性

water: 5 mg/mL, clear, colorless

荧光

λex 334 nm; λem 370 nm (pH 10.4)
λex 360 nm; λem 449 nm (Reaction products)

储存温度

−20°C

SMILES string

[K+].CC1=CC(=O)Oc2cc(OS([O-])(=O)=O)ccc12

InChI

1S/C10H8O6S.K/c1-6-4-10(11)15-9-5-7(2-3-8(6)9)16-17(12,13)14;/h2-5H,1H3,(H,12,13,14);/q;+1/p-1

InChI key

CSOCSPXOODWGLJ-UHFFFAOYSA-M

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一般描述

4-甲基伞形酮硫酸酯(4MUS)作为一种通用底物,是4-甲基伞形酮(4MU)的极性代谢物。

应用

4-甲基伞形酮硫酸酯钾盐已用作偶联荧光硫代转移酶测定的底物,以从3′-磷酸腺苷5′-磷酸盐再生3′-磷酸腺苷 5′-磷酸硫酸盐(PAPS),进而测定脑苷脂硫酸转移酶(CST)的酶活性。它还用作芳香基硫酸酯酶测定/4-甲基伞形酮硫酸酯(4-MUS)测定的底物,以测试蛋白磁珠复合体的酶活性。

生化/生理作用

4-甲基伞形酮硫酸酯(4MUS)能够进行脱硫,并参与4MU的无效循环。它可以用于测定多种硫酸酯酶的活性。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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O P van Diggelen et al.
Journal of inherited metabolic disease, 12(3), 273-280 (1989-01-01)
Arylsulphatase C (ASC) activity in leukocytes and fibroblasts measured with 4-methylumbelliferylsulphate, is caused by at least two genetically different sulphatases. One of these is steroid sulphatase (STS). Depending on the substrate concentration, about 10-50% of the ASC activity in leukocytes
A M Hassen et al.
Drug metabolism and disposition: the biological fate of chemicals, 24(7), 792-798 (1996-07-01)
The uptake of estrone sulfate (E1S; 1 to 400 microM), harmol sulfate (HS; 5 to 900 microM), and 4-methylumbelliferyl sulfate (4MUS; 5 to 1000 microM) was investigated in isolated rat hepatocytes in the presence or absence of inhibitors. Uptake of
J Chen et al.
The Journal of pharmacology and experimental therapeutics, 280(1), 24-31 (1997-01-01)
The vascularly perfused rat intestine and liver preparations were used to examine the effect of flow (8 and 10 ml/min) on the sequential metabolism of 4-methylumbelliferone (4MU), which forms primarily the glucuronide conjugate (4MUG) in intestine and the sulfate conjugate
C L Zimmerman et al.
Journal of chromatography, 563(1), 83-94 (1991-01-18)
A direct high-performance liquid chromatographic (HPLC) assay was developed for the separation and determination of 4-methylumbelliferone (4MU) and its glucuronide (MUG) and sulfate (MUS) conjugates in the cell-free perfusate ("plasma") from in situ perfused rat intestine-liver preparation. In addition, a
S Ratna et al.
Hepatology (Baltimore, Md.), 17(5), 838-853 (1993-05-01)
Futile cycling between 4-methylumbelliferone and its sulfate and glucuronide conjugates was examined in the single-pass perfused rat liver preparation. The steady-state hepatic extraction ratio of 4-methylumbelliferone was found to be high (0.97) at a low input concentration of 0.005 mumol/L

商品

Drug conjugate analysis and the enzymatic hydrolysis of glucuronides

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