62354-65-8
Chemical Structure
H-D-Phe-Pip-Arg-pNA dihydrochloride
Synonym(s): S-2238 dihydrochloride
- CAS No.: 62354-65-8
- Formula:C27H38Cl2N8O5
- Molecular Weight:625.55
IUPAC Name: (S)-1-(D-phenylalanyl)-N-((S)-5-guanidino-1-((4-nitrophenyl)amino)-1-oxopentan-2-yl)piperidine-2-carboxamide dihydrochloride
InChIKey: NSXSTEARZJTALV-ROJHRYAJSA-N
SMILES: O=C([C@H](N)CC1=CC=CC=C1)N2[C@H](C(N[C@@H](CCCNC(N)=N)C(NC3=CC=C([N+]([O-])=O)C=C3)=O)=O)CCCC2.[H]Cl.[H]Cl
Biological Activity: H-D-Phe-Pip-Arg-pNA (S-2238) dihydrochloride, a chromogenic substrate, is patterned after the N-terminal portion of the A alpha chain of fibrinogen, which is the natural substrate of thrombin. H-D-Phe-Pip-Arg-pNA dihydrochloride is specific for thrombin and is used to measure antithrombin-heparin cofactor (AT-III). The AT-III assay using H-D-Phe-Pip-Arg-pNA dihydrochloride is sensitive, accurate, and easy to perform[1][2].
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H-D-Phe-Pip-Arg-pNA dihydrochloride | H-D-Phe-Pip-Arg-pNA (S-2238) dihydrochloride, a chromogenic substrate, is patterned after the N-terminal portion of the A alpha chain of fibrinogen, which is the natural substrate of thrombin. H-D-Phe-Pip-Arg-pNA dihydrochloride is specific for thrombin and is used to measure antithrombin-heparin cofactor (AT-III). The AT-III assay using H-D-Phe-Pip-Arg-pNA dihydrochloride is sensitive, accurate, and easy to perform. | |||||||||||||||||||||
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- [1]. Goodnight SH Jr, et al. Measurement of antithrombin III in normal and pathologic states using chromogenic substrate S-2238. Comparison with immunoelectrophoretic and factor Xa inhibition assays. Am J Clin Pathol. 1980;73(5):639-647. [Content Brief]
- [2]. Voorthuizen H, Kluft C. Improved assay conditions for automated antithrombin III determinations with the chromogenic substrate S-2238. Thromb Haemost. 1984;52(3):350-353. [Content Brief]
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