product name
L-谷氨酰胺, BioUltra, ≥99.5% (NT)
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
技术
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字符串
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
基因信息
rat ... Ggt1(116568)
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应用
生化/生理作用
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
Is the molecular weight of L-Glutamine 146.14 or 146.15? The label information changed.
Based on a molecular formula of C5H10N2O3, the molecular weight to seven significant figures is 146.1456. Over the years, this value may have been reported in Sigma-Aldrich documentation or on labels as either 146.15 (by rounding up) or 146.14 (by truncation). The material itself has not changed.
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