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Merck
CN

M0883

4-Methylumbelliferyl acetate

esterase substrate

Synonym(s):

MU-Ac

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About This Item

Empirical Formula (Hill Notation):
C12H10O4
CAS Number:
2747-05-9
Molecular Weight:
218.21
UNSPSC Code:
12352204
NACRES:
NA.32
PubChem Substance ID:
24896576
EC Number:
220-386-6
Beilstein/REAXYS Number:
189667
MDL number:
MFCD00006865

Key Documents

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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

100

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCB2995
BCBP3230V
BCBP3230
BCBC1650V
BCBC1650

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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
Wanlapa Chaibangyang et al.
The Korean journal of parasitology, 55(6), 643-652 (2018-01-13)
Calreticulin (CALR), a multifunctional protein thoroughly researched in mammals, comprises N-, P-, and C-domain and has roles in calcium homeostasis, chaperoning, clearance of apoptotic cells, cell adhesion, and also angiogenesis. In this study, the spatial and temporal expression patterns of
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
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
View All Related Papers

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