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W368401

Sigma-Aldrich

L-谷氨酰胺

别名:
L-谷氨酸-5-酰胺, 左谷酰胺, (S)-2,5-二氨基-5-氧代戊酸
线性分子式:
H2NCOCH2CH2CH(NH2)CO2H
CAS号:
分子量:
146.14
FEMA编号:
3684
Beilstein:
1723797
EC 号:
MDL编号:
PubChem化学物质编号:
Flavis编号:
17.007
NACRES:
NA.21

质量水平

400

生物来源

synthetic

旋光性

[α]/D 29 to 33°, c = 2% in 1 M HCl

mp

185 °C (dec.) (lit.)

溶解性

H2O: very soluble 14.6 g/L (completely)

文件

see Safety & Documentation for available documents

性状检查

milk

application(s)

flavors and fragrances

食品过敏原

no known allergens

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

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包装

1 kg in poly bottle

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

13 - Non Combustible Solids

WGK

WGK 1

闪点(F)

Not applicable

闪点(C)

Not applicable

  1. 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.

  2. 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.

  3. 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.

  4. 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. 

  5. 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.

  6. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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