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Sigma/Amresco L-谷氨酰胺L-Glutamine,慧穎生(sheng)物專業供應(ying)小包裝(zhuang)原裝(zhuang)正品生(sheng)化(hua)試劑,訂購: !
產品名稱: L-谷氨酰胺;(S)-2,5-二氨基-5-氧(yang)代戊酸; L-谷氨酸-5-酰胺
別名:L-Glutamine
CAS號(hao):56-85-9
線性分(fen)子式:H2NCOCH2CH2CH(NH2)CO2H
分子量:146.14
描述:L-谷氨酰胺(an)是一種基本氨基酸(suan),是作(zuo)為細胞(bao)(bao)培(pei)養主要(yao)能(neng)源(yuan)的培(pei)養基所(suo)*的組成(cheng)部分。L-谷氨酰胺(an)干粉和冷凍(dong)溶液(ye)十分穩定。但液(ye)體培(pei)養基或儲存(cun)液(ye)中的 L-谷氨酰胺(an)分解相對(dui)較(jiao)快。使用前(qian),通常需要(yao)補充含·L-谷氨酰胺(an)的培(pei)養基,以獲(huo)得*細胞(bao)(bao)性能(neng)。
品(pin)牌(pai):Sigma/Amresco
貨(huo)號(hao):G-3126/0374
純(chun)度(du):≥99%/≥98.5%
Sigma L-谷氨酰(xian)胺L-Glutamine 描述(shu):
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grade | ReagentPlus® |
assay | ≥99% (TLC) |
total impurities | ≤0.2% free ammonia. |
| ~0.5% Glutamic acid |
mp | 185 °C (dec.)(lit.) |
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Amresco L-谷(gu)氨酰胺L-Glutamine 描述:
Arsenic (%) < 0.0001
Ash (%) 0.1
Chloride (%) < 0.02
Heavy Metals (as Pb) (%) < 0.001
Iron (%) < 0.002
Loss on Drying (%) 0.2
Purity (%) 98.5
Solubility (10%, 2N HCl) (P/F) PASS
Specific Rotation (1g/25ml Water) (degrees) +6.3 - +7.3
Sulfate (%) < 0.03
Thin Layer Chromatography (TLC) ONE SPOT
高(gao)品質 Sigma/Amresco L-谷氨酰胺(an)L-Glutamine 盡在上(shang)海慧穎生(sheng)物(wu)
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