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Explore the broadest selection of analytical reference materials and proficiency testing (PT) from the leading brands in certified and analytical reference materials: Spex, NSI, HPS, and Chiron.

Our harmonized product development and custom capabilities are tailored to bring you innovative products to help meet your unique application needs.

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4,640 Items found

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Sorbitol Sorbitol
SKU: PH402

Sorbitol

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
Benzyl alcohol Benzyl alcohol
SKU: PH326

Benzyl alcohol

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
Diphenhydramine Hydrochloride Diphenhydramine Hydrochloride
SKU: PH2303

Diphenhydramine Hydrochloride

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
Acetaminophen Acetaminophen
SKU: PH2302

Acetaminophen

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Mass Balance; w/Analytical confirmation
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