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About This Item
Empirical Formula (Hill Notation):
C20H30O2
CAS Number:
Molecular Weight:
302.45
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.77
Recommended Products
Quality Level
Assay
≥98% (GC)
form
powder
color
white
solubility
DMSO: 25 mg/mL
storage temp.
−20°C
SMILES string
[H][C@]12CC[C@@](C)(CC1=CC[C@@]3([H])[C@@](C)(CCC[C@]23C)C(O)=O)C=C
InChI
1S/C20H30O2/c1-5-18(2)12-9-15-14(13-18)7-8-16-19(15,3)10-6-11-20(16,4)17(21)22/h5,7,15-16H,1,6,8-13H2,2-4H3,(H,21,22)/t15-,16+,18-,19+,20+/m0/s1
InChI key
MXYATHGRPJZBNA-KRFUXDQASA-N
General description
Isopimaric acid, a resin acid produced by conifer trees, is a tricyclic diterpene compound. High levels of isopimaric acid in the hepatocytes of the rainbow trout may impair calcium signalling machinery. Isopimaric acid is a potential big potassium (BK) channel opener.
Biochem/physiol Actions
Potent opener of large conductance calcium activated K+ (BK) channels.
Features and Benefits
This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Aquatic Acute 1
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
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I Christianson-Heiska et al.
Toxicology in vitro : an international journal published in association with BIBRA, 22(3), 589-597 (2008-01-22)
Wood extractives are constituents of wood present in pulp and paper mill effluents, which may cause reproductive disturbances in fish. In the present study, we examined three cellular in vitro bioassays in order to assess (anti)estrogenic potencies of the wood
Suresh Awale et al.
Chemical & pharmaceutical bulletin, 51(3), 268-275 (2003-03-04)
From the methanolic extract of Indonesian Orthosiphon stamineus, nine new highly-oxygenated isopimarane-type diterpenes [7-O-deacetylorthosiphol B (1), 6-hydroxyorthosiphol B (2), 3-O-deacetylorthosiphol I (3), 2-O-deacetylorthosiphol J (4), siphonols A-E (5-9)] have been isolated together with nine known diterpenes [orthosiphols H (10), K
Molecular basis of pimarane compounds as novel activators of large-conductance Ca2+-activated K+ channel alpha-subunit.
Imaizumi Y, et al.
Molecular Pharmacology, 62(4), 836-846 (2002)
Sohag N Saleh et al.
The Journal of pharmacology and experimental therapeutics, 321(3), 1075-1084 (2007-03-10)
Because chloride (Cl(-)) channel blockers such as niflumic acid enhance large-conductance Ca(2+)-activated potassium channels (BK(Ca)), the aim of this study was to determine whether there is a reciprocal modification of Ca(2+)-activated chloride Cl(-) currents (I(ClCa)) by two selective activators of
Beatriz Cámara et al.
International journal of systematic and evolutionary microbiology, 57(Pt 5), 923-931 (2007-05-03)
Three bacterial strains, designated MT1(T), RW10(T) and IpA-2(T), had been isolated previously for their ability to degrade chlorosalicylates or isopimaric acid. 16S rRNA gene sequence analysis demonstrated that these bacteria are related to species of the genus Pseudomonas. Analysis of
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