Drug factory · FDA FEI 3001655239

Siegfried Grafton, Inc.

870 Badger Circle, Grafton, WI, United States

United States: 1

Problems found, fixed voluntarily at FDA's last inspection, Aug 21, 2026.

Voluntary Action Indicated: inspectors found problems, but not serious enough for FDA to take action. The company is expected to fix them.

7 drug inspections on record since 2009: 2 with no problems, 5 with problems fixed voluntarily, 0 with FDA action.

What it does, for whom

DrugRoleForNDC
Nitrite IonMakes the active ingredient Hope Pharmaceuticals 60267-311
Nitrite Ion and Thiosulfate IonMakes the active ingredient Hope Pharmaceuticals 60267-812
Thiosulfate IonMakes the active ingredient Hope Pharmaceuticals 60267-705

FDA inspection history

EndedResultProgramProblems noted
Aug 21, 2026Problems found, fixed voluntarilyDrug Quality Assurance—
Aug 14, 2024No problems foundDrug Quality Assurance—
Jul 15, 2016Problems found, fixed voluntarilyDrug Quality Assurance—
Apr 4, 2013Problems found, fixed voluntarilyDrug Quality Assurance—
Jun 10, 2011Problems found, fixed voluntarilyDrug Quality Assurance—
Sep 20, 2010No problems foundDrug Quality Assurance—
Dec 14, 2009Problems found, fixed voluntarilyDrug Quality Assurance—

Registered with FDA for: analysis; api manufacture; particle size reduction.