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1.00289

Millipore

L-Glutamine

for biochemistry

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Synonym(s):
L-Glutamic acid-5-amide, Gln, (S)-2,5-Diamino-5-oxopentanoic acid, L-Glutamic acid 5-amide, Levoglutamide
Linear Formula:
H2NCOCH2CH2CH(NH2)CO2H
CAS Number:
56-85-9
Molecular Weight:
146.14
Beilstein:
1723797
MDL number:
MFCD00008044
EC Index Number:
200-292-1

Quality Level

100

form

solid

potency

7500 mg/kg LD50, oral (Rat)

pH

4.0-6.0 (20 °C, 25 g/L in H2O)

mp

185 °C (dec.) (lit.)

solubility

100 g/L

density

1.47 g/cm3 at 20 °C

bulk density

640 kg/m3

storage temp.

2-30°C

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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Biochem/physiol Actions

L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source for cells in culture. L-Glutamine is very stable as a dry powder and as a frozen solution. In liquid media or stock solutions, however, L-glutamine degrades relatively rapidly. Optimal cell performance usually requires supplementation of the media with L-glutamine prior to use.

Analysis Note

Assay (perchloric acid titration, calculated on dried substance): 99.0 - 101.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, fine powder
Appearance of solution (25 g/l; CO₂-free water): clear and colorless
Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance): +31,5 to +33,0
Chloride (Cl): ≤ 200 ppm
Sulfate (SO₄): ≤ 200 ppm
Heavy metals (as Pb): ≤ 10 ppm
As (Arsenic): ≤ 5 ppm
Ca (Calcium): ≤ 10 ppm
Co (Cobalt): ≤ 5 ppm
Fe (Iron): ≤ 5 ppm
K (Potassium): ≤ 5 ppm
Mg (Magnesium): ≤ 5 ppm
Na (Sodium): ≤ 50 ppm
Zn (Zinc): ≤ 5 ppm
Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity): ≤ 0.3 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)): ≤ 0.1 %
Ninhydrin-positive substances (LC)(total impurities): ≤ 0.5 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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