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(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE

CAS No.
90719-30-5
Chemical Name:
(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE
Synonyms
UIC-1005;Locostatin - UIC 1005;Locostatin >=98% (HPLC);(R)-4-BENZYL-3-CROTONYL-2-OXAZOLIDINONE;(N-CROTONYL)-(4S)-BENZYL-2-OXAZOLIDINONE;(N-Crotonyl)-(R)-4-benzyl-2-oxazolidinone;4-but-2-enyl-3-propan-2-yl-2-oxazolidinone;(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE;(S)-(+)-4-BENZYL-3-CROTONYL-2-OXAZOLIDINONE;(4S)-N-Crotonyl-4-benzyl-2-oxazolidinone,99%
CBNumber:
CB4284497
Molecular Formula:
C14H15NO3
Molecular Weight:
245.27
MDL Number:
MFCD00278769
MOL File:
90719-30-5.mol
MSDS File:
SDS
Last updated:2026-01-13 11:20:41
Product description Number Pack Size Price
Locostatin ≥98% (HPLC) L5670 10mg $72.7
Locostatin ≥98% (HPLC) L5670 50mg $281
Locostatin QDA71930 50mg $540
Locostatin QDA71930 100mg $865
Locostatin QDA71930 250mg $1620

(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE Properties

Melting point 84-88 °C(lit.)
Boiling point 351.0±25.0 °C(Predicted)
Density 1.205±0.06 g/cm3(Predicted)
storage temp. 2-8°C
solubility DMSO: ≥30mg/mL
form powder
pka -1+-.0.40(Predicted)
color white to off-white
InChI 1S/C14H15NO3/c1-2-6-13(16)15-12(10-18-14(15)17)9-11-7-4-3-5-8-11/h2-8,12H,9-10H2,1H3/b6-2+/t12-/m0/s1
InChIKey UTZAFVPPWUIPBH-QSLRECBCSA-N
SMILES C\C=C\C(=O)N1[C@H](COC1=O)Cc2ccccc2
UNSPSC Code 12352200
NACRES NA.77

SAFETY

Risk and Safety Statements

Safety Statements  24/25
WGK Germany  3
HS Code  29349990
Storage Class 11 - Combustible Solids

(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE price More Price(34)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich L5670 Locostatin ≥98% (HPLC) 90719-30-5 10mg $72.7 2026-04-30 Buy
Sigma-Aldrich L5670 Locostatin ≥98% (HPLC) 90719-30-5 50mg $281 2026-04-30 Buy
Biosynth QDA71930 Locostatin 90719-30-5 50mg $540 2026-06-04 Buy
Biosynth QDA71930 Locostatin 90719-30-5 100mg $865 2026-06-04 Buy
Biosynth QDA71930 Locostatin 90719-30-5 250mg $1620 2026-06-04 Buy
Product number Packaging Price Buy
L5670 10mg $72.7 Buy
L5670 50mg $281 Buy
QDA71930 50mg $540 Buy
QDA71930 100mg $865 Buy
QDA71930 250mg $1620 Buy

(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE Chemical Properties,Uses,Production

Uses

Locostatin (UIC-1005) is a potent RKIP inhibitor. Locostatin binds Raf kinase inhibitor RKIP protein and disrupts the interaction of RKIP with Raf-1 kinase and G protein-coupled receptor kinase 2. Locostatin inhibits cell proliferation and migration. Locostatin can be used to synthesize chemical probes toward PEBP-proteins. Locostatin aggravates thioacetamide (HY-Y0698)-induced acute liver failure in mice [1][2][3].

Biochem/physiol Actions

Locostatin is a cell permeable, potent inhibitor of Raf kinase inhibitor protein (RKIP)/Raf1 kinase interaction and an inhibitor of cell migration.

in vivo

Locostatin (0.5 mg/kg; i.p.; once a day for 7 days) aggravates thioacetamide (HY-Y0698)-induced acute liver failure in mice[3].

Animal Model:6 weeks, 18-22 g, male ICR mice (TAA model; injected intraperitoneally with 300 mg/kg TAA once a day for 2 days)[3]
Dosage:0.5 mg/kg
Administration:I.p.; once a day for 7 days
Result:Decreased the expression of RKIP, led to more severe damage, such as steatosis and hepatic lesions, increased the production of ROS in the liver and TNF-α, IL-6 and IL-1β in the sera of mice with acute liver injury, inhibitd Nrf2 and HO-1 expression in the livers of mice, induced NF-κB activation in the livers of mice,increased the phosphorylation of JNK, p38 and ERK in liver tissues.

References

[1] Beshir AB, et al. Locostatin Disrupts Association of Raf Kinase Inhibitor Protein With Binding Proteins by Modifying a Conserved Histidine Residue in the Ligand-Binding Pocket. For Immunopathol Dis Therap. 2011;2(1):47-58. DOI:10.1615/forumimmundisther.v2.i1.60
[2] Mc Henry KT, et al. A non-antibacterial oxazolidinone derivative that inhibits epithelial cell sheet migration. Chembiochem. 2002 Nov 4;3(11):1105-11. DOI:10.1002/1439-7633(20021104)3:11<1105::AID-CBIC1105>3.0.CO;2-S
[3] Lin X, et al. Inhibition of RKIP aggravates thioacetamide-induced acute liver failure in mice. Exp Ther Med. 2018 Oct;16(4):2992-2998. DOI:10.3892/etm.2018.6542

(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE Preparation Products And Raw materials

Raw materials

Preparation Products

(N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE Suppliers

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(4S)-3-[(E)-BUT-2-ENOYL]-4-BENZYL-2-OXAZOLIDINONE (S)-(+)-4-BENZYL-3-CROTONYL-2-OXAZOLIDINONE (N-CROTONYL)-(4S)-BENZYL-2-OXAZOLIDINONE (N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE UIC-1005 (R)-4-BENZYL-3-CROTONYL-2-OXAZOLIDINONE (4S)-N-Crotonyl-4-benzyl-2-oxazolidinone, 99% (N-Crotonyl)-(R)-4-benzyl-2-oxazolidinone (4S)-N-Crotonyl-4-benzyl-2-oxazolidinone,99% (4S)-3-[(E)-1-Oxo-2-butenyl]-4-(phenylmethyl)-2-oxazolidinone (4S)-4-benzyl-3-[(E)-but-2-enoyl]-1,3-oxazolidin-2-one Locostatin - UIC 1005 4-but-2-enyl-3-propan-2-yl-2-oxazolidinone 2-Oxazolidinone, 3-[(2E)-1-oxo-2-buten-1-yl]-4-(phenylmethyl)-, (4S)- Locostatin >=98% (HPLC) (N-CROTONYL)-(4S)-ISOPROPYL-2-OXAZOLIDINONE USP/EP/BP (S,E)-4-Benzyl-3-(but-2-enoyl)oxazolidin-2-one 90719-30-5 Peptide