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Merck
CN

20777

Butyrylcholinesterase from equine serum

lyophilized, powder, light brown, 7-16 U/mg

Synonym(s):

Acylcholine acyl-hydrolase, Choline esterase, butyryl, Pseudocholinesterase

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About This Item

CAS Number:
UNSPSC Code:
12352204
EC Number:
232-579-2
MDL number:
EC Number:
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form

powder

quality

lyophilized

specific activity

7-16 U/mg

mol wt

Mr ~440000

color

light brown

storage temp.

−20°C

Other Notes

Comparison of butyrylcholinesterase and acetylcholinesterase, review; Applications in (selective) hydrolysis/condensation of carboxylic ester bonds.
1 U corresponds to the amount of enzyme which hydrolyzes 1 μmol butyrylcholine per minute at pH 8.0 and 37 °C.
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pictograms

Health hazard

signalword

Danger

hcodes

Hazard Classifications

Resp. Sens. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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E. Santaniello et al.
Gazzetta Chimica Italiana, 119, 55-55 (1989)
E P Dropsy et al.
Biotechnology and bioengineering, 26(8), 911-915 (1984-08-01)
An enzymatic method for the preparative resolution of racemic carnitine (whose L-isomer and its acyl-derivatives have numerous therapeutical applications) has been developed. It is based on our finding that electriceel acetylcholinesterase hydrolyzes the D- but not the L-isomer of acetylcarnitine.
Comparison of butyrylcholinesterase and acetylcholinesterase.
A Chatonnet et al.
The Biochemical journal, 260(3), 625-634 (1989-06-15)