91299
Isobutyryl-L-carnitine
analytical standard
Synonyme(s) :
(2R)-3-Carboxy-N,N,N-trimethyl-2-(2-methyl-1-oxopropoxy)-1-propanaminium inner salt, L-Carnitine isobutyryl ester, iC4-Carnitine
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A propos de cet article
Formule empirique (notation de Hill) :
C11H21NO4
Numéro CAS:
Poids moléculaire :
231.29
NACRES:
NB.21
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
4138517
MDL number:
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analytical standard
Quality Level
assay
≥97.0% (HPLC)
optical activity
[α]/D -22.0±2.0°, c = 0.1 in H2O
shelf life
limited shelf life, expiry date on the label
impurities
≤10.0% water (calculated from elemental analysis)
application(s)
clinical testing
format
neat
storage temp.
2-8°C
SMILES string
C[N+](C)(C)C[C@H](OC(C(C)C)=O)CC([O-])=O
InChI
1S/C11H21NO4/c1-8(2)11(15)16-9(6-10(13)14)7-12(3,4)5/h8-9H,6-7H2,1-5H3/t9-/m1/s1
InChI key
LRCNOZRCYBNMEP-SECBINFHSA-N
General description
Isobutyryl-L-carnitine belongs to the acylcarnitines class of compounds. These compounds are produced from L-carnitine, which plays an important role in fatty acid metabolic pathways. The functions and roles of acyl-L-carnitines in various tissues like brain, heart, and muscle continue to attract much interest.
Application
Isobutyryl-L-carnitine may be used as an analytical reference standard for the separation and identification of underivatized isobutyryl-L-carnitine in human plasma samples using high-performance liquid chromatography coupled to tandem mass spectrometry (HPLC-MS/MS). It may also be used as an analytical reference standard for the quantification of the analyte in human urine samples using liquid chromatography/electrospray ionization tandem mass spectrometry (LC/ESI-MS/MS).
Other Notes
Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
Classe de stockage
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Matrix effect?corrected liquid chromatography/tandem mass-spectrometric method for determining acylcarnitines in human urine
Abe K, et al.
Clinica Chimica Acta; International Journal of Clinical Chemistry, 468, 187-194 (2017)
Minzhi Peng et al.
Journal of chromatography. A, 1319, 97-106 (2013-10-31)
A simple HPLC-MS/MS method has been established to separate and identify underivatized acylcarnitine isomers. Human plasma samples were deproteinized and concentrated. Acylcarnitines were separated on a reverse phase column and detected with triple quadrupole linear ion trap mass spectrometry. Deuterium-labeled