M0883
4-Methylumbelliferyl acetate
esterase substrate
别名:
MU-Ac
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关于此项目
经验公式（希尔记法）:
C12H10O4
化学文摘社编号:
分子量:
218.21
UNSPSC Code:
12352204
NACRES:
NA.32
PubChem Substance ID:
EC Number:
220-386-6
Beilstein/REAXYS Number:
189667
MDL number:
产品名称
4-Methylumbelliferyl acetate, esterase substrate
InChI key
HXVZGASCDAGAPS-UHFFFAOYSA-N
InChI
1S/C12H10O4/c1-7-5-12(14)16-11-6-9(15-8(2)13)3-4-10(7)11/h3-6H,1-2H3
SMILES string
CC(=O)Oc1ccc2C(C)=CC(=O)Oc2c1
assay
≥98% (TLC)
form
powder
mp
149-150 °C (lit.)
solubility
chloroform: 100 mg/mL, clear, colorless
fluorescence
λex 312 nm in methanol
λex 360 nm; λem 499 nm (Reaction product)
storage temp.
−20°C
Quality Level
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Abha Kathuria et al.
Bioorganic & medicinal chemistry, 17(4), 1550-1556 (2009-02-03)
Calreticulin Transacetylase (CRTAase) catalyzes the transfer of acetyl groups from polyphenolic acetates (PAs) to the receptor proteins and modulates their biological activities. CRTAase was conveniently assayed by the irreversible inhibition of cytosolic glutathione S-transferase (GST) by the model acetoxycoumarin, 7,8-diacetoxy-4-methylcoumarin
H A Berman et al.
Biochemistry, 29(47), 10640-10649 (1990-11-27)
This paper examines covalent reactivity of AchE with respect to cationic and uncharged methylphosphonates and substrates in the absence and presence of cationic ligands selective for the active center and the peripheral anionic site. The organophosphorus inhibitors are enantiomeric alkyl
M L Graber et al.
The American journal of physiology, 250(1 Pt 2), F159-F168 (1986-01-01)
Intracellular pH (pHi) of turtle bladder mucosal cells was studied by the trapped fluorescent indicator technique. Bladders efficiently accumulated and converted 4-methylumbelliferyl acetate to its pH-sensitive derivative 4-methylumbelliferone (4MU). Excited at the pH-indifferent wavelength 334 nm, bladders fluoresced a uniform
A A Frimer et al.
Free radical biology & medicine, 20(6), 843-852 (1996-01-01)
--2-(Dimethylamino) fluorene (1a) and 5-benzoyloxy-2,3,7,8,12,13,17,18-octaethylporphyrin (4) react with superoxide anion radical (generated from KO2/18-crown-6 polyether) in aprotic media. Yet, when incorporated into the lipid bilayer of dimyristoyl phosphatidylcholine liposomes, these two substrates are inert to superoxide, generated enzymatically (xanthine oxidase/acetaldehyde)
H G Raj et al.
Teratogenesis, carcinogenesis, and mutagenesis, 21(2), 181-187 (2001-02-27)
Our earlier studies documented the ability of 7,8-diacetoxy-4-methylcoumarin (DAMC) to cause irreversible inhibition of cytochrome P-450 linked mixed function oxidases (MFO) mediated by membrane bound DAMC: protein transacetylase. Since P-450 catalyzed oxidation of benzene is crucial to its toxic effects
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