L-Glutamine
Molecular Structure:
MDL:
MFCD00008044
Molecular Formula:
C5H10N2O3;H2NCOCH2CH2CH(NH2)CO2H
Molecular Weight:
146.15
Alias:
L-2-氨基戊二酸酰胺
H-Gln-OH
α-Aminoglutamic acid
Glutamic acid 5-amide
(S)-2,5-Diamino-5-oxopentanoic acid
L-Glutamic acid 5-amide
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
L-Glutamine |
99% |
25g |
RMB 55 |
Consulting service |
L-Glutamine |
99% |
100g |
RMB 198 |
Consulting service |
L-Glutamine |
99% |
500g |
RMB 748 |
Consulting service |
Character:
白色结晶体或结晶粉末。在中性或弱酸性沸腾溶液中,迅即转化为吡咯酮羧酸的铵盐。能溶于水,溶解度:35 g/L 水(20°C),46 µG/100 ML乙醇 (25°C),3.5 MG/100 ML 甲醇(27°C),实际上不溶于甲醇、乙醇、醚、苯、丙酮、乙酸乙酯和氯仿,溶于无机酸
熔点: 185 °C
[a]20/D: 32.25° (c=10, 2N HCl)
Quality Standard:
外观Appearance 白色结晶或结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity ≥99.0%
干燥损失Loss on drying <0.2 % (105°C, 3 小时)
重金属Heavy metals (as Pb) <10 ppm
硫酸盐灰分Sulfated ash <0.1 %
其它氨基酸Other amino acids <0.5 % (TLC)
比旋度Specific rotation [a]20/D +31.5° ~ +33°(c=10, 2 N HCl)
铁Fe < 10 ppm
氯离子Cl < 200 ppm
硫酸根SO4 measure < 200 ppm
透光度Transmittance >95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
pH 4 ~ 6 (2.5% 水溶液, 25°C)
Storage:
生化试剂级,室温保存
用途 生化研究,细菌培养基。