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Arginin nyaéta asam amino anu rumusna (H2N)(HN)CN(H)(CH2)3CH(NH2)CO2H. Molekulna boga gugus guanidino anu napel dina wangun baku asam amino. Dina pH pisiologis, asam karboksilat ngalaman deprotonasi (−CO2−), anapon gugus amino jeung guanidino diprotonasi, ngahasilkeun hiji kation. Ngan énantiomér l-arginin (lambang Arg atawa R) anu kapanggih alami.[1] Résidu Arg mangrupakeun komponén galib dina protéin, disandi ku kodon CGU, CGC, CGA, CGG, AGA, jeung AGG.[2] Gugus guanidin dina arginin téh prékursor pikeun biosintésis oksida nitrat.[3] Sakumaha galibna asam amino, padetanana bodas jeung leyur dina cai.
Rumus rangka arginin | |||
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Wasta | |||
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Wasta lian
Asam 2-amino-5-guanidinopentanoat | |||
Pananda | |||
Nomer CAS |
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Modél 3D (JSmol) |
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Rujukan Beilstein |
1725411, 1725412 D, 1725413 L | ||
ChEBI |
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ChEMBL |
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ChemSpider | |||
DrugBank |
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ECHA InfoCard | 100.000.738 | ||
Nomer EC | 230-571-3 | ||
Rujukan Gmelin |
364938 D | ||
IUPHAR/BPS |
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KEGG |
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MeSH | Arginine | ||
PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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InChI
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SMILES
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Sipat | |||
Rumus kimia |
C6H14N4O2 | ||
Massa molar | 174204 g·mol−1 | ||
Panampilan | Kristal bodas | ||
Bau | Odourless | ||
Titik lebur | 260 °C; 500 °F; 533 K | ||
Titik golak | 368 °C (694 °F; 641 K) | ||
Kelarutan dina cai |
14.87 g/100 mL (20 °C) | ||
Solubilitas | rada leyur dina ethanol teu leyur dina étil éter | ||
log P | −1.652 | ||
Kaasaman (pKa) | 2.18 (karboksil), 9.09 (amino), 13.8 (guanidino) | ||
Thermochemistry | |||
Kapasitas panas (C) |
232.8 J K−1 mol−1 (at 23.7 °C) | ||
Éntropi molar baku (S |
250.6 J K−1 mol−1 | ||
Éntalpi baku formasi (ΔfH⦵298) |
−624.9–−622.3 kJ mol−1 | ||
Éntalpi baku pembakaran (ΔcH⦵298) |
−3.7396–−3.7370 MJ mol−1 | ||
Farmakologi | |||
Kode ATC |
B05 S | ||
Baya | |||
Lambar data kasalametan (SDS) | |||
Piktogram GHS | |||
Kecap sinyal GHS | WARNING | ||
Kalimah baya GHS |
H319 | ||
Kalimah panyegah GHS |
P305+P351+P338 | ||
Dosis atawa konséntrasi létal (LD, LC): | |||
LD50 (dosis médian) |
5110 mg/kg (beurit, oral) | ||
Sanyawa patali | |||
Related asam alkanoat |
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Sanyawa patali |
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Iwal disebutkeun séjén, data nu dipidangkeun keur matéri dina kaayaan baku (dina 25 °C, 100 kPa). | |||
Rujukan kotak info | |||
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