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I1754

Sigma-Aldrich

Isobuttersäure

99%

Synonym(e):

2-Methyl-propionsäure

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About This Item

Lineare Formel:
(CH3)2CHCO2H
CAS-Nummer:
79-31-2
Molekulargewicht:
88.11
Beilstein:
635770
EG-Nummer:
201-195-7
MDL-Nummer:
MFCD00002658
UNSPSC-Code:
12352100
PubChem Substanz-ID:
24895944
NACRES:
NA.22

Dampfdichte

3.04 (vs air)

Qualitätsniveau

100

Dampfdruck

1.5 mmHg ( 20 °C)

Assay

99%

Form

liquid

Selbstzündungstemp.

824 °F

Expl.-Gr.

10 %

Brechungsindex

n20/D 1.393 (lit.)

bp

153-154 °C (lit.)

mp (Schmelzpunkt)

−47 °C (lit.)

Dichte

0.95 g/mL at 25 °C (lit.)

SMILES String

CC(C)C(O)=O

InChI

1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)

InChIKey

KQNPFQTWMSNSAP-UHFFFAOYSA-N

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Allgemeine Beschreibung

Isobutyric acid is a carboxylic acid used as a building block in the production of active pharmaceutical ingredients (APIs).

Signalwort

Danger

Gefahreneinstufungen

Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 1

Flammpunkt (°F)

131.0 °F - closed cup

Flammpunkt (°C)

55 °C - closed cup

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Analysenzertifikate (COA)

Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.

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Isobuttersäure natural, ≥99%, FCC, FG

Sigma-Aldrich

W222216

Isobuttersäure

2-Methylbuttersäure 98%

Sigma-Aldrich

193070

2-Methylbuttersäure

Isobutyl-iso-Buttersäure United States Pharmacopeia (USP) Reference Standard

USP

1347835

Isobutyl-iso-Buttersäure

Isobutter-d7-säure 98 atom % D, 99% (CP)

Sigma-Aldrich

632007

Isobutter-d7-säure

Ritu Lal et al.
The Journal of pharmacology and experimental therapeutics, 330(3), 911-921 (2009-06-09)
Baclofen is a racemic GABA(B) receptor agonist that has a number of significant pharmacokinetic limitations, including a narrow window of absorption in the upper small intestine and rapid clearance from the blood. Arbaclofen placarbil is a novel transported prodrug of
E M Faed et al.
Clinical and experimental pharmacology & physiology, 5(2), 195-198 (1978-03-01)
1. Two main conjugates of CPIB (2-[chlorophenoxy]-2-methylpropionic acid) are present in the urine of subjects taking clofibrate. The metabolites can be separated by thin-layer chromatography (TLC). 2. Both conjugates are hydrolysed by dilute alkali, but only one is hydrolysed by
A Vyalikh et al.
Physical chemistry chemical physics : PCCP, 9(18), 2249-2257 (2007-05-10)
Solid state deuterium NMR has been used to study the molecular motion of d(6)-isobutyric acid (d(6)-iBA) in the pure (unconfined) state and confined in the cylindrical pores of two periodic mesoporous silica materials (MCM-41, pore size 3.3 nm and SBA-15
Julia Biermann et al.
Molecular vision, 17, 395-403 (2011-02-12)
Histone deacetylase inhibitors (HDACi) have neuroprotective effects under various neurodegenerative conditions, e.g., after optic nerve crush (ONC). HDACi-mediated protection of central neurons by increased histone acetylation has not previously been demonstrated in rat retinal ganglion cells (RGCs), although epigenetic changes
Kimberlee S Mix et al.
Molecular pharmacology, 65(2), 309-318 (2004-01-27)
Matrix metalloproteinases (MMPs) degrade extracellular matrix components, and overexpression of these enzymes contributes to tissue destruction in arthritis. Of particular importance are the collagenases, MMP-1 and MMP-13, which have high activity against the interstitial collagens in cartilage. In this study
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