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Merck

B0560

Sigma-Aldrich

(−)-Blebbistatin

≥98% (HPLC), solid, cell cycle inhibitor

Synonym(s):

1-Phenyl-1,2,3,4-tetrahydro-4-hydroxypyrrolo[2.3-b]-7-methylquinolin-4-one

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About This Item

Empirical Formula (Hill Notation):
C18H16N2O2
CAS Number:
856925-71-8
Molecular Weight:
292.33
MDL number:
MFCD08460907
UNSPSC Code:
12352200
PubChem Substance ID:
329773119
NACRES:
NA.77

Key Documents

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Product Name

(−)-Blebbistatin, solid, synthetic

Quality Level

200

form

solid

solubility

DMSO: 5 mg/mL
chloroform: soluble(lit.)
ethyl acetate: soluble(lit.)
methanol: soluble(lit.)
methylene chloride: soluble(lit.)

storage temp.

−20°C

SMILES string

Cc1ccc2N=C3N(CC[C@@]3(O)C(=O)c2c1)c4ccccc4

InChI

1S/C18H16N2O2/c1-12-7-8-15-14(11-12)16(21)18(22)9-10-20(17(18)19-15)13-5-3-2-4-6-13/h2-8,11,22H,9-10H2,1H3/t18-/m1/s1

InChI key

LZAXPYOBKSJSEX-GOSISDBHSA-N

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General description

(-)-Blebbistatin, a bioactive small molecule, is a selective inhibitor of skeletal muscle and non-muscle myosin II isoforms.The mechanism of action of blebbistatin, a myosin II ATPase inhibitor, does not influence other members of the myosin superfamily, such as I, V, and X.Blebbistatin is highly light sensitive, and photobleaching can reverse its effect completely. Blebbistatin is a commonly used as excitation-contraction uncoupling agent in cardiovascular physiology. Blebbistatin controls the inhibitory effect of thrombin on intercellular Ca2+ wave propagation. Blebbistatin reduces cardiac contractility by stabilizing the OFF state of the thick filament.Blebbistatin’s selectivity and affinity for multiple class II myoisin make it an attractive candidate for use in cell motility research and muscle physiology.

Application

(−)-Blebbistatin has been used to investigate the effect on cardiac contractility and effect of thrombin on actomyosin contractility

Biochem/physiol Actions

(-)-Blebbistatin is a cell cycle inhibitor; selective inhibitor of non-muscle myosin II.

Features and Benefits

This compound is a featured product for Apoptosis research. Click here to discover more featured Apoptosis products. Learn more about bioactive small molecules for other areas of research at sigma.com/discover-bsm.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000278767
0000278767
SLCM2582
SLCK1459
SLCH9625

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Application of blebbistatin as an excitation-contraction uncoupler for electrophysiologic study of rat and rabbit hearts
Fedorov VV, et al.
Heart Rhythm : the Official Journal of the Heart Rhythm Society, 4(5), 619-626 (2007)
Omecamtiv mercabil and blebbistatin modulate cardiac contractility by perturbing the regulatory state of the myosin filament
Kampourakis T, et al.
The Journal of Physiology, 596(1), 31-46 (2018)
Elena Kassianidou et al.
Cell reports, 27(6), 1897-1909 (2019-05-09)
Three-dimensional matrices often contain highly structured adhesive tracks that require cells to turn corners and bridge non-adhesive areas. Here, we investigate these complex processes using micropatterned cell adhesive frames. Spreading kinetics on these matrices depend strongly on initial adhesive position
The myosin II ATPase inhibitor blebbistatin prevents thrombin-induced inhibition of intercellular calcium wave propagation in corneal endothelial cells
Ponsaerts R, et al.
Investigative Ophthalmology & Visual Science, 49(11), 4816-4827 (2008)
Blebbistatin: use as inhibitor of muscle contraction
Farman GP, et al.
Pflugers Archiv : European Journal of Physiology, 455(6), 995-1005 (2008)
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Product Information Sheet - B0560
S(–)-Blebbistatin: Selective inhibitor ofnon-muscle myosin II

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