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1. Urea-13c
2. 58069-82-2
3. Urea C 13
4. 13c-urea
5. Urea, C-13
6. Carbon-13 Urea
7. Urea (13c)
8. Diamino(113c)methanone
9. Urea 13 C
10. Helicosol
11. 13-c Urea
12. 13-c-urea
13. Carbone (13) Urea
14. (13c) Urea
15. Urea ((sup 13)c)
16. W6kx9e6d8x
17. Chebi:32285
18. Carbamide-13c
19. Pylobactell
20. Urea (13c) (jan)
21. Urea (13c) [jan]
22. C13-urea
23. Urea C13
24. Helicobacter Test Infai
25. Unii-w6kx9e6d8x
26. Urea C 13 [usp]
27. Pylori-chek
28. Helicosol (tn)
29. Carbon 13 Urea
30. Carbonyldiamide-13c
31. (13c)urea
32. Urea C13 (usp)
33. ((13)c)urea
34. Urea-[13c]
35. (~13~c)carbamimidic Acid
36. Chembl2096648
37. Urea 13 C [who-dd]
38. Urea C 13 [usp-rs]
39. 13-c Urea [ema Epar]
40. Dtxsid20973641
41. Urea C-13 [orange Book]
42. Amy37002
43. Urea C 13 [usp Impurity]
44. Urea C 13 [usp Monograph]
45. Mfcd00064398
46. Akos030254865
47. Idkit:hp Component Urea C-13
48. Db09510
49. Urea C-13 Component Of Idkit:hp
50. As-77784
51. C-13
52. Hy-118877
53. Urea-13c, 99 Atom % 13c, Ubt Grade
54. Cs-0069967
55. Urea-13c, Research Grade, 99 Atom % 13c
56. D01749
57. Q27114855
58. Urea C 13, United States Pharmacopeia (usp) Reference Standard
Molecular Weight | 61.048 g/mol |
---|---|
Molecular Formula | CH4N2O |
XLogP3 | -1.4 |
Hydrogen Bond Donor Count | 2 |
Hydrogen Bond Acceptor Count | 1 |
Rotatable Bond Count | 0 |
Exact Mass | 61.035717591 g/mol |
Monoisotopic Mass | 61.035717591 g/mol |
Topological Polar Surface Area | 69.1 Ų |
Heavy Atom Count | 4 |
Formal Charge | 0 |
Complexity | 29 |
Isotope Atom Count | 1 |
Defined Atom Stereocenter Count | 0 |
Undefined Atom Stereocenter Count | 0 |
Defined Bond Stereocenter Count | 0 |
Undefined Bond Stereocenter Count | 0 |
Covalently Bonded Unit Count | 1 |
Urea-13C is indicated for use in the qualitative detection of urease associated with Helicobacter pylori in the human stomach and as an aid in the initial diagnosis and post-treatment monitoring of Helicobacter pylori infection in adult patients. The test may be used for monitoring treatment if used at least four (4) weeks following completion of therapy. For these purposes, the system utilizes an Infrared Spectrophotometer for the measurement of the ratio of 13CO2 to 12CO2 in breath samples.
FDA Label
This medicinal product is for diagnostic use only.
For in vivo diagnosis of gastroduodenal Helicobacter pylori (H. pylori) infection.
Helicobacter Test INFAI may be used for in vivo diagnosis of gastroduodenal Helicobacter pylori infection in:
- adults;
- adolescents, who are likely to have peptic ulcer disease.
Helicobacter Test INFAI for children aged three to 11 years may be used for in vivo diagnosis of gastrduodenal Helicobacter pylori infection:
- for the evaluation of the success of eradication treatment, or;
- when invasive tests cannot be performed, or;
- when there are discordant results arising from invasive tests.
This medicinal product is for diagnostic use only.
Pylori-Chek may be used for in vivo diagnosis of gastroduodenal Helicobacter pylori infection.
V04CX
V04CX
V04CX
V - Various
V04 - Diagnostic agents
V04C - Other diagnostic agents
V04CX - Other diagnostic agents
V04CX05 - 13C-urea
The Urea Breath Test is based on the ability of the H. pylori enzyme urease to cleave urea into ammonia and carbon dioxide. As the urease enzyme is not present in mammalian cells, the presence of urease (and the products of urea cleavage) in the stomach is evidence that H. pylori bacteria are present. To detect H. pylori, urea labeled with 13C is swallowed by the patient. If gastric urease from H. pylori is present, urea is split to form CO2 and NH3 at the interface between the gastric epithelium and lumen and 13CO2 is absorbed into the blood and exhaled in the breath. Exhaled breath samples can then be collected and measured for the presence of radioactivity.
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