Basic information Safety Supplier Related

OPHIOBOLIN A

Basic information Safety Supplier Related

OPHIOBOLIN A Basic information

Product Name:
OPHIOBOLIN A
Synonyms:
  • 18-epoxy-3-hydroxy-5-oxo-19-dien-25-a(18r)-ophiobola-14
  • cochliobolin
  • ophiobolin
  • COCHLIOBOLIN A
  • ophiobolin A from helminthosporium sp.
  • Ophiobolin, Helminthosporium sp.
  • (18R)-14,18-Epoxy-3-hydroxy-5-oxoophiobola-7,19-dien-25-al
  • (18R)-3-Hydroxy-5-oxo-14,18-epoxyophiobola-7,19-diene-25-al
CAS:
4611-05-6
MF:
C25H36O4
MW:
400.55
Mol File:
4611-05-6.mol
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OPHIOBOLIN A Chemical Properties

Melting point:
182°C
Boiling point:
443.19°C (rough estimate)
Density 
1.0278 (rough estimate)
refractive index 
1.4460 (estimate)
storage temp. 
2-8°C
solubility 
Soluble in DMSO (up to 10 mg/ml)
form 
White to off-white solid.
pka
13.84±0.70(Predicted)
color 
White
Stability:
Stable for 1 year from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 2 months.
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Safety Information

Hazard Codes 
Xn
Risk Statements 
20/21/22
Safety Statements 
36
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
3
RTECS 
RL1576000
HS Code 
2932190090
Toxicity
mouse,LD50,intraperitoneal,21mg/kg (21mg/kg),"CRC Handbook of Antibiotic Compounds," Vols.1- , Berdy, J., Boca Raton, FL, CRC Press, 1980Vol. 6, Pg. 143, 1981.
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OPHIOBOLIN A Usage And Synthesis

Description

Ophiobolin A (4611-05-6) selectively inhibits the growth of cancer cells (IC50=0.4-4.3 μM) over normal cells (IC50=20.9 μM).1 Induces non-apoptotic cell death in glioblastoma cells and is active in an in vivo model.2 Covalently reacts with primary amines such as lysine side chains2 and phosphatidylethanolamine3 forming unique pyrrole adducts. Induces ER stress4, paraptosis4 and autophagy5.

Uses

Ophiobolin A is the dominant member of a class of phytotoxic metabolites produced by plant pathogenic fungi. Ophiobolin A acts by inhibiting calmodulin action in calcium regulation.

Definition

ChEBI: A sesterterpenoid that is ophiobolane with a hydroxy group at position 3, oxo groups at positions 5 and 25, double bonds at positions 7-8 and 19-20, and an oxygen link between positions 14 and 18.

References

1) Bhatia et al. (2016), Anticancer activity of Ophiobolin A, isolated from the endophytic fungus Bipolaris setariae; Nat. Prod. Res., 30 1455 2) Dasari et al. (2015), Fungal metabolite ophiobolin A as a promising anti-glioma agent: In vivo evaluation, structure-activity relationship and unique pyrrolylation of primary amines; Bioorg. Med. Chem. Lett., 25 4544 3) Chidley et al. (2016), The anticancer natural product ophiobolin A induces cytotoxicity by covalent modification of phosphatidylethanolamine; Elife., 5 e14601 4) Kim et al. (2017), Ophiobolin A kills human glioblastoma cells by inducing endoplasmic reticulum stress via disruption of thiol proteostatis; Oncotarget, 8 106740 5) Rodolfo et al. (2016), Ophiobolin A Induces Autophagy and Activates the Mitochondrial Pathway of Apoptosis in Human Melanoma Cells; PLoS One, 11 e0167672

OPHIOBOLIN ASupplier

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