Date published: 2026-4-25

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4-Amino-(6R)-5,6,7,8-tetrahydro-L-biopterin dihydrochloride

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Alternate Names:
4-Amino-(6R)-BH4 2HCl; (6R)-4-Amino-5,6,7,8-tetrahydro-L-biopterin dihydrochloride
Molecular Weight:
313.18
Molecular Formula:
C9H16N6O22HCl
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Potent, reversible inhibitor of nitric oxide synthases (NOS) at their pterin-site. This compound inhibits the formation of nitric oxide (NO) by nNOS (NOS I) with IC50=1.1µM for arginine and IC50=1.3µM for NG-hydroxy-L-arginine. This compound also prolongs allograft survival in vivo and rescues rats from septic shock, as well as act as an immunosuppressant.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

4-Amino-(6R)-5,6,7,8-tetrahydro-L-biopterin dihydrochloride, 10 mg

sc-362202
10 mg
$1000.00