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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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9,246 Items found

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SKU: 13751.9-K-ME

Clonidine hydrochloride; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 13752.9-K-ME

Clonidine-d4 hydrochloride; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 13769.20-100-ME

Tiagabine-d6 hydrochloride (methyl-d6); 100 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg base/mL
SKU: 13786.22-K-ME

Losartan carboxylic acid; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 13794.X-K-W

Polymyxin B sulfate ; 1000 µg base/mL in water; 1 mL

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  • Brand Chiron
  • Matrix water
  • Concentration 1000 µg base/mL
SKU: 1380.3-3.2M-5ME

Trimethylamine; ca. 3.2 mol/L in methanol; 5 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration ca. 3.2 mol/L
SKU: 13801.13-100-AN

Sulfabenzamide ; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 13801.13-K-AN

Sulfabenzamide ; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 13802.14-100-AN

Triclabendazole ; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 13806.12-K-DS

Cymiazole ; 1000 µg/mL in DMSO; 1 mL

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  • Brand Chiron
  • Matrix DMSO
  • Concentration 1000 µg/mL
SKU: 13807.6-100-AN

Hydroxymetronidazole; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 13811.18-K-ME

Pefloxacin mesylate ; 1000 µg base/mL in 0.04M NaOH in MeOH; 1 mL

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  • Brand Chiron
  • Matrix 0.04M NaOH in MeOH
  • Concentration 1000 µg base/mL
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