Merck

49419

Sigma-Aldrich

L-谷氨酰胺

BioUltra, ≥99.5% (NT)

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别名:
(S)-2,5-二氨基-5-氧代戊酸, L-谷氨酸-5-酰胺, 左谷酰胺
线性分子式:
H2NCOCH2CH2CH(NH2)CO2H
CAS号:
分子量:
146.14
Beilstein:
1723797
EC 号:
MDL编号:
eCl@ss:
32160406
PubChem化学物质编号:
NACRES:
NA.26

产品线

BioUltra

质量水平

检测方案

≥99.5% (NT)

形式

powder

旋光性

[α]20/D +33.0±1°, c = 5% in 5 M HCl

technique(s)

cell culture | mammalian: suitable

杂质

insoluble matter, passes filter test
≤0.5% foreign amino acids

灼烧残渣 (900 °C)

≤0.1% (as SO4)

缺失

≤0.1% loss on drying, 110 °C

颜色

white

pH值(酸碱度)

5.0-6.0 (25 °C, 0.1 M in H2O)

mp

185 °C (dec.) (lit.)

溶解性

H2O: 0.1 M at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤200 mg/kg

痕量阳离子

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H2O

紫外吸收

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

SMILES string

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

InChI

1S/C5H10N2O3/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H2,7,8)(H,9,10)/t3-/m0/s1

InChI key

ZDXPYRJPNDTMRX-VKHMYHEASA-N

Gene Information

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G8540G6392G5792
L-Glutamine BioUltra, ≥99.5% (NT)

Sigma-Aldrich

49419

L-谷氨酰胺

Premium Grade
L-Glutamine meets USP testing specifications, suitable for cell culture, 99.0-101.0%, from non-animal source

Sigma-Aldrich

G8540

L-谷氨酰胺

-
L-Glutamine γ-irradiated, BioXtra, suitable for cell culture

Sigma-Aldrich

G6392

L-谷氨酰胺

-
L-Glutamine

SAFC

G5792

L-谷氨酰胺

-
assay

≥99.5% (NT)

assay

99.0-101.0%

assay

-

assay

≥99%

form

powder

form

powder

form

powder

form

powder

optical activity

[α]20/D +33.0±1°, c = 5% in 5 M HCl

optical activity

-

optical activity

-

optical activity

-

technique(s)

cell culture | mammalian: suitable

technique(s)

cell culture | mammalian: suitable

technique(s)

cell culture | mammalian: suitable

technique(s)

cell culture | mammalian: suitable

impurities

insoluble matter, passes filter test, ≤0.5% foreign amino acids

impurities

endotoxin, tested

impurities

endotoxin, tested

impurities

endotoxin, heavy metals, residual solvents, tested

应用

L-谷氨酰胺已用于下丘脑神经元的培养基, 血清蛋白等速电泳的间隔基, 各种微生物的生长需要。

生化/生理作用

L-谷氨酰胺是一种必需氨基酸,作为细胞培养过程中主要的能量来源而成为培养基的重要组分。L-谷氨酰胺在干粉及冷冻溶液的状态下极为稳定。然而,L-谷氨酰胺在液体培养基或储存溶液中均会相对较快的降解。最佳的细胞表现通常需要在使用前向培养基中添加L-谷氨酰胺补充剂。

储存分类代码

11 - Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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T. Yagi et al. et al.
Electrophoresis ?83, 503-503 (1984)
Techniques for culture of hypothalamic neurons.
C Loudes et al.
Methods in enzymology, 103, 313-334 (1983-01-01)
CRC Handbook of Microbiology, 4, 1-1 (1974)
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