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299359

Sigma-Aldrich

尿素-13C

research grade, 99 atom % 13C

同義詞:

13C标记的尿素, 碳酰胺-13C, 羰基二胺-13C

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About This Item

線性公式:
H2N13CONH2
CAS號碼:
分子量::
61.05
MDL號碼:
分類程式碼代碼:
41116107
PubChem物質ID:
NACRES:
NA.12

同位素純度

99 atom % 13C

化驗

99% (CP)

形狀

white powder

mp

132-135 °C (lit.)

質量偏移

M+1

儲存溫度

room temp

SMILES 字串

N[13C](N)=O

InChI

1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)/i1+1

InChI 密鑰

XSQUKJJJFZCRTK-OUBTZVSYSA-N

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儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析證明 (COA)

Lot/Batch Number

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E Lotterer et al.
Zeitschrift fur Gastroenterologie, 29(11), 590-594 (1991-11-01)
A 13C-urea breath test for detection of Helicobacter pylori infection was validated in 306 patients. Breath samples (four, two or one) were taken at various time points within 30 minutes after a motility inhibiting liquid test meal with citric acid

文章

Dynamic Nuclear Polarization (DNP) is a phenomenon by which high spin polarization, typically derived from a bath of free radical electrons, is transferred to a nuclear spin bath, enhancing the difference between the nuclear energy levels and thereby producing dramatically enhanced NMR signals for detection.

Dynamic Nuclear Polarization (DNP) is a phenomenon by which high spin polarization, typically derived from a bath of free radical electrons, is transferred to a nuclear spin bath, enhancing the difference between the nuclear energy levels and thereby producing dramatically enhanced NMR signals for detection.

Sigma-Aldrich.com presents an article concerning MRI/MRS and the use of isotopes in hyperpolarization.

Sigma-Aldrich.com presents an article concerning MRI/MRS and the use of isotopes in hyperpolarization.

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