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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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9,242 Items found

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SKU: 13101.5-K-ME

Chlormequat chloride; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 13157.25-100-MX

Crystal violet hydrate; 100 µg conj. base/mL in MeOH:H2O (1:1); 1 mL

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  • Brand Chiron
  • Matrix MeOH:H2O (1:1)
  • Concentration 100 µg conj. base/mL
SKU: 13163.25-500-ME

Cefoperazone; 500 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
SKU: 13163.25-500MEX2

Cefoperazone; 500 µg/mL in methanol; 1 mL x 2

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
SKU: 13166.43-500MEX2

Rifaximin; 500 µg/mL in methanol; 1 mL x 2

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  • Brand Chiron
  • Matrix methanol
  • Concentration 500 µg/mL
SKU: 13166.43-K-ME

Rifaximin; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 13170.10-100-ME

Sulfaclozine; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 13174.44-K-AN

Tacrolimus; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 13186.26-K-ME

Tezacaftor; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 13192.12-100-ME

Acetylsulfamethoxazole; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 13197.66-K-ME

Bacitracin (Sum of isomers); 1000 µg/mL in methanol; 1 mL

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