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Merck
CN

75164

4-Methylumbelliferyl oleate

lipase substrate, ≥95% (HPCE), solid, suitable for fluorescence

Synonym(s):

Oleic acid 4-methylumbelliferyl ester

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About This Item

Empirical Formula (Hill Notation):
C28H40O4
CAS Number:
18323-58-5
Molecular Weight:
440.61
NACRES:
NA.21
PubChem Substance ID:
57652555
UNSPSC Code:
12352204
EC Number:
242-210-7
MDL number:
MFCD00076095
Beilstein/REAXYS Number:
4887028

Key Documents

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Product Name

4-Methylumbelliferyl oleate, suitable for fluorescence, ≥95% (HPCE)

InChI key

NKQFKJYKCVDLPT-KHPPLWFESA-N

InChI

1S/C28H40O4/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-27(29)31-24-19-20-25-23(2)21-28(30)32-26(25)22-24/h10-11,19-22H,3-9,12-18H2,1-2H3/b11-10-

SMILES string

CCCCCCCC\C=C/CCCCCCCC(=O)Oc1ccc2C(C)=CC(=O)Oc2c1

assay

≥95% (HPCE)

form

solid

storage condition

protect from light
under inert gas

mp

37-38 °C (lit.)

solubility

2-methoxyethanol: soluble
DMSO: soluble
chloroform: soluble

fluorescence

λex 312 nm in methanol
λex 327 nm; λem 449 nm in 0.1 M phosphate pH 7.0 (lipase)

suitability

suitable for fluorescence

shipped in

wet ice

storage temp.

−20°C

Quality Level

100

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Application

4-Methylumbelliferyl oleate has been used:
  • as a substrate to assay the activity of non-specific esterases
  • to determine lipase activity
  • as a substrate to evaluate pancreatic lipase inhibitory activity

Other Notes

Fluorogenic substrate for lipase.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
0000511739
BCCN4094
0000511739
BCCL3463
BCCK7519

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T J Van Berkel et al.
Biochimica et biophysica acta, 617(3), 446-457 (1980-03-21)
(1) Parenchymal and non-parenchymal cells were isolated from rat liver. The characteristics of acid lipase activity with 4-methylumbelliferyl oleate as substrate and acid cholesteryl esterase activity with cholesteryl[1-14C]oleate as substrate were investigated. The substrates were incorporated in egg yolk lecithin
Non-flavonoid phenolics from Averrhoa carambola fresh fruit
Jia X, et al.
Journal of functional foods, 32(1), 419-425 (2017)
Oleate lipase activity in Gardnerella vaginalis and reconsideration of existing biotype schemes
Moncla BJ and Pryke KM
BMC Microbiology, 9(1), 78-78 (2009)
T Imanaka et al.
Biochimica et biophysica acta, 665(2), 322-330 (1981-08-24)
An acid lipase was purified from rabbit liver lysosomes by, in sequence, osmotic treatment of the lysosomal fraction, Sephadex LH-20, DEAE-Sephadex A-50, Bio-Gel A-5m, hydroxyapatite and, finally, Sephadex G-200 column chromatography. The substrate was 4-methylumbelliferyl oleate. The enzyme was solubilized
Study of the hydrolysis of 4-methylumbelliferyl oleate by acid lipase and cholesteryl oleate by acid cholesteryl esterase in human leucocytes, fibroblasts and liver.
J F Koster et al.
Biochimica et biophysica acta, 618(1), 98-105 (1980-04-18)
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