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Key Documents

Q51545

Sigma-Aldrich

Urea-15N2

2 atom % 15N, 99% (CP)

Synonym(s):

15N Labeled urea, Carbamide-15N2, Carbonyldiamide-15N2

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About This Item

Linear Formula:
H215NCO15NH2
CAS Number:
Molecular Weight:
62.04
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:

isotopic purity

2 atom % 15N

Assay

99% (CP)

mol wt

60.09 by atom % calculation (2 atom % 15N)

mp

132-135 °C (lit.)

application(s)

agriculture

mass shift

M+2

SMILES string

[15NH2]C([15NH2])=O

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)/i2+1,3+1

InChI key

XSQUKJJJFZCRTK-SUEIGJEOSA-N

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Tracer techniques using isotopic N have been employed since the 1940s to investigate such topics as N transformations and cycling in agricultural and other soils, N sources for crop uptake, the fate and behavior of fertilizer N applied to soils, the nature and extent of soil and fertilizer losses, and fertilizer N uptake efficiency.

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