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High-Quality Analytical Reference Materials Spex | NSI | HPS | Chiron

Precision & Accuracy for Every Analysis

Ensure the highest confidence in your laboratory results with high-quality reference materials from industry-leading brands: Spex, NSI, HPS, and Chiron. Our extensive selection supports environmental, food safety, pharmaceutical, toxicology, cannabis, and industrial testing.

Our Reference Materials Include:

  • Inorganic Standards – Trace metals, ICP, ICP-MS, AAS, and wet chemistry solutions
  • Organic Standards – Pesticides, PCBs, PAHs, VOCs, SVOCs, and more
  • Microbiology Standards – Quantitative and qualitative reference materials for pathogen detection, sterility testing, and microbial analysis
  • Proficiency Testing (PT) Samples – Validate accuracy with external quality controls
  • Custom Standards – Tailored solutions to meet your lab’s specific needs – Fill out your custom request today!

Why Choose Us?

  • ISO 17034 & ISO 17025 Accreditation – Certified for reliability and traceability
  • Compliance with EPA, AOAC, ASTM, ISO, and other global regulations
  • High-Purity Materials – Ensuring precision in every analysis
  • Expert Support – Technical assistance to optimize your testing process

Get Started Today

Explore our full range of analytical and microbiology reference materials.

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9,842 Items found

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  • New
SKU: 10759.4-K-ME

O;O-Diethyl thiophosphate; sodium salt; 1000 µg conj. base/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg conj. base/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10760.4-K-ME

O;O-Diethyl dithiophosphate; sodium salt; 1000 µg conj. base/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg conj. base/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 11001.8-100-AN

Metaldehyde-d16; 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10906.16-100-ME

Methoxychlor-d6 (dimethoxy-d6); 100 µg/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10906.16-10MG

Methoxychlor-d6 (dimethoxy-d6); neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 11030.10-100-CY

Tolylfluanide-d7 (p-tolyl-d7; Major); 100 µg/mL in cyclohexane

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  • Brand Chiron
  • Matrix cyclohexane
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10741.14-100-ME

4,4'-DDMU, 100 µg/mL in methanol

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10992.8-10MG

Dimethoxane, neat

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
  • New
SKU: 10820.14-100-AN

Prosulfocarb, 100 µg/mL in acetonitrile

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
  • Raw Material 94.5% min
  • Certification Grav. &/or Volume w/Analytical Confirmation
SKU: 113H

O,O,O-Triethylphosphorothioate

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
SKU: 1126H

4,4'-Dibromooctafluorobiphenyl

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  • Brand NSI
  • Raw Material >95% min; as available
  • Certification Gravimetric and/or Volumetric
SKU: 111-M

Toxaphene

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  • Brand NSI
  • Raw Material >95% min
  • Certification Gravimetric and/or Volumetric
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