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Analytical Reference Materials

Organic, Inorganic, Microbiology & PT Reference Materials

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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9,926 Items found

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SKU: 15373.2-250MG

Taurine; neat; 250 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 15374.9-250MG

L-Tyrosine; neat; 250 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 15376.5-250MG

L-Glutamine; neat; 250 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 15377.7-250MG

L-Carnitine; neat; 250 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 15471.6-10MG

7-Methylxanthine; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 15473.5-10MG

Xanthine; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 15765.13-K-ME

Selegiline hydrochloride; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
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SKU: 2517.8-100MG

Caffeine; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 2517.8-500MG

Caffeine; neat; 500 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 2517.8-K-ME

Caffeine; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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SKU: 2518.7-100MG

Theophylline; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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SKU: 2518.7-K-ME

Theophylline; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
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