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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: 8436.6-1G

Tris(2-chloroethyl) phosphate; neat; 1 g

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 8471.11-50-W

Carbadox; 50 µg/mL in 1M NaOH; 1 mL

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  • Brand Chiron
  • Matrix 1M NaOH
  • Concentration 50 µg/mL
SKU: 8471.11-50-WX2

Carbadox; 50 µg/mL in 1M NaOH; 1 mL x 2

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  • Brand Chiron
  • Matrix 1M NaOH
  • Concentration 50 µg/mL
SKU: 8479.10-K-IO

1-Naphthol-d7; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
SKU: 8479.10-K-IOX5

1-Naphthol-d7; 1000 µg/mL in isooctane; 1 mL x 5

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
SKU: 8480.10-K-IPX5

2-Naphthol-d7; 1000 µg/mL in isopropanol; 1 mL x 5

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  • Brand Chiron
  • Matrix isopropanol
  • Concentration 1000 µg/mL
SKU: 8481.22-100MG

Diltiazem hydrochloride; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 8483.34-K-ME

Metoprolol tartrate; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 8484.15-10MG

Metoprolol; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 8484.15-K-ME

Metoprolol; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 8491.22-10MG

Colchicine, Comet assay grade; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
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