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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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9,205 Items found

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SKU: 12547.12-10MG

Bisphenol S-d8 (2,2',3,3',5,5',6,6'-d8); neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 12559.43-K-ME

Rifampin; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 12565.46-100-AN

1H-Benzotriazole; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 12573.20-K-MEX50

Dihydropropiomazine; 1000 µg/mL in methanol; 1 mL x 50

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 12616.18-100-T

2,4-Dichloro-p-terphenyl; 100 µg/mL in toluene; 1 mL

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  • Brand Chiron
  • Matrix toluene
  • Concentration 100 µg/mL
SKU: 12634.16-100-AN

Ampicillin; 100 µg/mL in ACN:H2O (80:20); 1 mL

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  • Brand Chiron
  • Matrix ACN:H2O (80:20)
  • Concentration 100 µg/mL
SKU: 12634.16-250MG

Ampicillin; neat; 250 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 12709.12-K-ME

Metaxalone; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 12743.38-100-ME

Azithromycin; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 12780.18-100-T

4-Chloro-o-terphenyl; 100 µg/mL in toluene; 1 mL

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  • Brand Chiron
  • Matrix toluene
  • Concentration 100 µg/mL
SKU: 12780.18-100-TX5

4-Chloro-o-terphenyl; 100 µg/mL in toluene; 1 mL x 5

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  • Brand Chiron
  • Matrix toluene
  • Concentration 100 µg/mL
SKU: 12791.20-K-ME

Quinine hemisulfate monohydrate (>90%); 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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