Citric acid, BioUltra, anhydrous, >=99.5% (T)

Code: 27487-50G-F D2-231

General description

Citric acid is a buffer component for triple-column amino acid analysis. It is an optimal buffer for dissociation of radioiodinated antibodies from viable...


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General description

Citric acid is a buffer component for triple-column amino acid analysis. It is an optimal buffer for dissociation of radioiodinated antibodies from viable murine tumor cells.

Other Notes

Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. 27487.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.

λmax260 nm (Amax: ≤0.20), 280 nm (Amax: ≤0.10)
λ1 M in H2O
anion traceschloride (Cl-): ≤5 mg/kg, tartrate (C4H4O62-): ≤2000 mg/kg, oxalate (C2O42-): ≤500 mg/kg, phosphate (PO43-): ≤5 mg/kg, sulfate (SO42-): ≤20 mg/kg
assay≥99.5% (T)
cation tracesBi: ≤5 mg/kg, Na: ≤50 mg/kg, Mo: ≤5 mg/kg, Ca: ≤10 mg/kg, Al: ≤5 mg/kg, K: ≤50 mg/kg, Pb: ≤5 mg/kg, As: ≤0.1 mg/kg, Li: ≤5 mg/kg, Cu: ≤5 mg/kg, Ba: ≤5 mg/kg, Fe: ≤5 mg/kg, Zn: ≤5 mg/kg, Ni: ≤5 mg/kg, Cr: ≤5 mg/kg, Mn: ≤5 mg/kg, Cd: ≤5 mg/kg, Sr: ≤5 mg/kg, Co: ≤5 mg/kg, Mg: ≤5 mg/kg
expl. lim.8 %, 65 °F
formpowder or crystals
Gene Informationhuman ... SRC(6714)
ign. residue≤0.05% (as SO4)
impuritiesinsoluble matter, passes filter test
InChI keyKRKNYBCHXYNGOX-UHFFFAOYSA-N
InChI1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
loss≤0.5% loss on drying, 110 °C
mp153-159 °C (lit.)
pH1.0-2.0 (25 °C, 1 M in H2O)
pKa (1) 3.13, (2) 4.76, (3) 6.4
product lineBioUltra
Quality Level200
SMILES stringOC(=O)CC(O)(CC(O)=O)C(O)=O
solubilityH2O: 1 M at 20 °C, clear, colorless
technique(s)cell culture | hybridoma: suitable
UV absorptionλ: 280 nm Amax: 0.10, λ: 260 nm Amax: 0.20
Cas Number77-92-9
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