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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.

Browse Our Products below

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9,205 Items found

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SKU: 10352.8-50MG

Zonisamide; neat; 50 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 10354.17-100-ME

Desmethylmianserin; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 10357.18-100-ME

Norclomipramine hydrochloride; 100 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg base/mL
SKU: 10358.23-K-ME

Flupentixol dihydrochloride (cis+trans); 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 10360.18-10MG

Nordoxepin hydrochloride (cis+trans); neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 10387.17-10MG

(±)-Zopiclone-N-oxide, neat, neat, 10 mg

  • RUO
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  • Brand Chiron
  • Matrix neat
  • Concentration neat
  • Certification Single
SKU: 10393.24-50MG

Norbixin; neat; 50 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 10393.24-5MG

Norbixin; neat; 5 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 10412.4-100MG

Sodium DL-3-hydroxybutyrate-3,4,4,4-d4; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 10426.20-100-ME

6-β-Naltrexol hydrate; 100 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg base/mL
SKU: 10434.15-5MG

Carbamazepine-10,11-epoxide-d10 (rings-d10); neat; 5 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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