Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

I0157

Sigma-Aldrich

Ibudilast

≥99% (HPLC), solid

Synonym(s):

2-Methyl-1-[2-(1-methylethyl)pyrazolo[1,5-a]pyridin-3-yl] 1-propanone, 3-Isobutyryl-2-isopropylpyrazolo[1,5-a]pyridine, KC-404

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C14 H18 N2 O
CAS Number:
50847-11-5
Molecular Weight:
230.31
MDL number:
MFCD00864808
UNSPSC Code:
41106305
PubChem Substance ID:
24278482
NACRES:
NA.77

Assay

≥99% (HPLC)

form

solid

color

white

solubility

DMSO: soluble 28 mg/mL
H2O: soluble 4.5 mg/mL

storage temp.

2-8°C

SMILES string

CC(C)C(=O)c1c(nn2ccccc12)C(C)C

InChI

1S/C14H18N2O/c1-9(2)13-12(14(17)10(3)4)11-7-5-6-8-16(11)15-13/h5-10H,1-4H3

InChI key

ZJVFLBOZORBYFE-UHFFFAOYSA-N

Gene Information

human ... PDE4A(5141) , PDE4B(5142) , PDE4C(5143) , PDE4D(5144)

Biochem/physiol Actions

Phosphodiesterase IV (PDE4) inhbitor. Inhibits platelet aggregation. Anti-asthma drug.

Features and Benefits

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

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H315,H319,H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Masahiro Noguchi et al.
Biological & pharmaceutical bulletin, 32(11), 1924-1927 (2009-11-03)
Ibudilast (3-isobutyryl-2-isopropylpyrazolo[1,5-alpha]pyridine) is clinically used as a cerebral vasodilator in Japan. However, the effects of ibudilast on retinal blood vessels have not been fully examined. The aim of this study, therefore, was to examine the effects of ibudilast on retinal
F Barkhof et al.
Neurology, 74(13), 1033-1040 (2010-03-05)
Ibudilast is a phosphodiesterase inhibitor influencing inflammation and neurodegeneration in multiple sclerosis (MS). This study evaluated the safety, tolerability, and effects on MRI parameters of 2 different doses of ibudilast in relapsing forms of MS. In this multicenter, double-blind, phase
Aldric T Hama et al.
Journal of neurotrauma, 29(3), 600-610 (2011-08-03)
Ibudilast, an asthma drug, has demonstrated antinociceptive effects in several rat models of peripheral neuropathic pain, and a proposed mechanism of action is the inhibition of release of the cytokine tumor necrosis factor-α (TNF-α) from activated spinal microglia. Spinal glial
Primary neuroprotection: the Holy Grail of multiple sclerosis therapy.
Robert J Fox
Neurology, 74(13), 1018-1019 (2010-03-05)
Jennifer H Benbow et al.
The Journal of biological chemistry, 287(45), 37907-37916 (2012-09-19)
Peripheral neuropathy is one of the most severe and irreversible side effects caused by treatment from several chemotherapeutic drugs, including paclitaxel (Taxol®) and vincristine. Strategies are needed that inhibit this unwanted side effect without altering the chemotherapeutic action of these
View All Related Papers

Articles

Discover Bioactive Molecules for Nucleotides

Cyclic nucleotides like cAMP modulate cell function via PKA activation and ion channels.

Discover Bioactive Molecules for Nucleotides

Cyclic nucleotides like cAMP modulate cell function via PKA activation and ion channels.

Discover Bioactive Molecules for Nucleotides

Cyclic nucleotides like cAMP modulate cell function via PKA activation and ion channels.

Discover Bioactive Molecules for Nucleotides

Cyclic nucleotides like cAMP modulate cell function via PKA activation and ion channels.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service