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316830

Sigma-Aldrich

Urea-15N2

98 atom % 15N, 99% (CP)

Synonym(s):

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

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About This Item

Linear Formula:
H215NCO15NH2
CAS Number:
2067-80-3
Molecular Weight:
62.04
MDL number:
MFCD00064399
UNSPSC Code:
12352102
PubChem Substance ID:
24859045
NACRES:
NA.12

isotopic purity

98 atom % 15N

Quality Level

200

Assay

99% (CP)

form

solid

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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General description

Urea-15N2 enriched with 15N isotope.

Application

Urea-15N2 is used
  • In agriculture research as a technique to determine uptake or denitrification and leaching losses of native soil N via the “added N interaction".
  • In horticulture, massive labeling of trees to ascertain that N originating from 15N leaf labeling.

Packaging

This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

316830-VAR:
316830-5G:
316830-BULK:
316830-250MG:
316830-1G:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Melissa Scholefield et al.
Frontiers in molecular neuroscience, 14, 711396-711396 (2021-11-10)
Widespread elevations in brain urea have, in recent years, been reported in certain types of age-related dementia, notably Alzheimer's disease (AD) and Huntington's disease (HD). Urea increases in these diseases are substantive, and approximate in magnitude to levels present in
Xu Zhao et al.
Journal of agricultural and food chemistry, 64(15), 3017-3024 (2016-03-30)
The nitrogen (N) isotope method reveals that application of fertilizer N can increase crop uptake or denitrification and leaching losses of native soil N via the "added N interaction". However, there is currently little evidence of the impact of added

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