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Merck

PHR1099

Supelco

L-Isoleucin

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(e):

(2S,3S)-2-Amino-3-methyl-valeriansäure

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About This Item

Lineare Formel:
C2H5CH(CH3)CH(NH2)CO2H
CAS-Nummer:
Molekulargewicht:
131.17
Beilstein:
1721792
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
41116107
eCl@ss:
32160406
PubChem Substanz-ID:
NACRES:
NA.24

Qualität

certified reference material
pharmaceutical secondary standard

Qualitätsniveau

Agentur

traceable to Ph. Eur. I0460000
traceable to USP 1349502

API-Familie

leucine

Analysenzertifikat (CofA)

current certificate can be downloaded

Methode(n)

HPLC: suitable
gas chromatography (GC): suitable

mp (Schmelzpunkt)

288 °C (dec.) (lit.)

Anwendung(en)

pharmaceutical (small molecule)

Format

neat

Lagertemp.

2-8°C

SMILES String

CC[C@H](C)[C@H](N)C(O)=O

InChI

1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1

InChIKey

AGPKZVBTJJNPAG-WHFBIAKZSA-N

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Allgemeine Beschreibung

L-Isoleucine is an isomer of L-leucine and an essential amino acid. It is synthesized from threonine and is a branched-chain hydrophobic amino acid.
Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Anwendung

L-Isoleucine may be used as a pharmaceutical reference standard for the quantification of the analyte in pharmaceutical formulations using high-performance liquid chromatography technique.
These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Hinweis zur Analyse

These secondary standards offer multi-traceability to the USP, EP (PhEur) and BP primary standards, where they are available.

Sonstige Hinweise

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Fußnote

To see an example of a Certificate of Analysis for this material enter LRAA7132 in the slot below. This is an example certificate only and may not be the lot that you receive.

Empfohlene Produkte

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.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Analysenzertifikate (COA)

Lot/Batch Number

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Slide 1 of 10

1 of 10

HPLC-fluorescence determination of amino acids in pharmaceuticals after pre-column derivatization with phanquinone
Gatti.R, et al.
Journal of Pharmaceutical and Biomedical Analysis, 35(2), 339-348 (2004)
Eva Blomstrand et al.
The Journal of nutrition, 136(1 Suppl), 269S-273S (2005-12-21)
BCAAs (leucine, isoleucine, and valine), particularly leucine, have anabolic effects on protein metabolism by increasing the rate of protein synthesis and decreasing the rate of protein degradation in resting human muscle. Also, during recovery from endurance exercise, BCAAs were found
L Edvinsson
Blood vessels, 28(1-3), 35-45 (1991-01-01)
The cerebral circulation is supplied with two vasodilator systems: the parasympathetic system storing vasoactive intestinal peptide, peptide histidine isoleucine, acetylcholine and in a subpopulation of nerves neuropeptide Y, and the sensory system, mainly originating in the trigeminal ganglion, storing substance
Urho M Kujala et al.
Circulation, 127(3), 340-348 (2012-12-22)
Long-term physical inactivity seems to cause many health problems. We studied whether persistent physical activity compared with inactivity has a global effect on serum metabolome toward reduced cardiometabolic disease risk. Sixteen same-sex twin pairs (mean age, 60 years) were selected
Toshihiro Sato et al.
The Journal of biological chemistry, 278(6), 4314-4321 (2002-11-22)
Previously, we determined the crystal structures of the dimeric ligand binding region of the metabotropic glutamate receptor subtype 1. Each protomer binds l-glutamate within the crevice between the LB1 and LB2 domains. We proposed that the two different conformations of

Protokolle

Separation of L-Alanine; Glycine; L-Valine; L-Leucine; L-Isoleucine; L-Proline; L-Methionine; L-Serine; L-Threonine; L-Phenylalanine; L-Aspartic acid; L-4-Hydroxyproline; L-Cysteine; L-Glutamic acid; L-Asparagine; L-Lysine; L-Glutamine; L-Histidine; L-Tyrosine; L-Tryptophan; L-Cystine

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