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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: 13854.7-5MG

Ipronidazole-OH ; neat; 5 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 13854.7-K-AN

Ipronidazole-OH ; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 13858.10-100-AN

3-Methylquinoxaline-2-carboxylic acid ; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 13858.10-K-AN

3-Methylquinoxaline-2-carboxylic acid ; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 13859.12-100-AN

Phenothiazine ; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 13860.5-K-AN

6-Methyl-2-thiouracil ; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 13861.10-100-AN

6-Phenyl-2-thiouracil ; 100 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 100 µg/mL
SKU: 13861.10-K-AN

6-Phenyl-2-thiouracil ; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 13862.25-K-AN

Leuco crystal violet; 1000 µg/mL in acetonitrile; 1 mL

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 13863.23-100MG

Leucomalachite green; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 13865.17-K-ME

Nifedipine-d4 (2-nitrophenyl-d4); 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 13867.18-K-ME

Enalaprilat-d5(phenyl-d5); 1000 µg/mL in methanol; 1 mL

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