329878
Water-18O
(for PET), 97 atom % 18O
Synonym(s):
18O Water
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About This Item
Linear Formula:
H218O
CAS Number:
Molecular Weight:
20.02
NACRES:
NA.12
PubChem Substance ID:
UNSPSC Code:
12142200
MDL number:
Isotopic purity:
97 atom % 18O
Assay:
≥99%
Mass shift:
M+2
Form:
liquid
description
Normalized with respect to hydrogen
Quality Level
isotopic purity
97 atom % 18O
assay
≥99%
form
liquid
technique(s)
PET imaging: suitable
bp
100 °C (lit.)
mp
0 °C (lit.)
density
1.11 g/mL at 20 °C (lit.)
compatibility
(for PET)
mass shift
M+2
storage temp.
room temp
SMILES string
[18OH2]
InChI
1S/H2O/h1H2/i1+2
InChI key
XLYOFNOQVPJJNP-NJFSPNSNSA-N
General description
Water-18O is an isotopic analogue of water.
Application
Water-18O is an isotopically modified water, which is appropriate for PET applications.
It can also be used:
It can also be used:
- In paleoclimatology, hydrology, and plant ecology to determine soil stable oxygen isotope analysis of plant cellulose using δ18O.
- To determine the diffusion of moisture into crystals using secondary ion mass spectrometry (SIMS).
Packaging
Packaged in septum-sealed serum bottles.
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.
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Storage Class
10 - Combustible liquids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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Diffusion of Water Species in Yttria-Stabilized Zirconia
Duong T, et al.
Journal of the American Chemical Society, 92(11), 2731-2737 (2009)
Separating soil and leaf water 18O isotopic signals in plant stem cellulose
Sternberg, Leonel da Silveira Lobo and Anderson, William T and Morrison, Kanema
Geochimica et Cosmochimica Acta, 67(14), 2561-2566 (2003)
Christian Berk et al.
FEBS letters, 595(2), 230-240 (2020-10-29)
Identifying the targetome of a microRNA is key for understanding its functions. Cross-linking and immunoprecipitation (CLIP) methods capture native miRNA-mRNA interactions in cells. Some of these methods yield small amounts of chimeric miRNA-mRNA sequences via ligation of 5'-phosphorylated RNAs produced