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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.

Browse Our Products below

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9,205 Items found

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SKU: 9191.8-10MG

Caffeine-d3 (1-methyl-d3); neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 9194.17-K-ME

Omeprazole-d3 (benzimidazole-4,6,7-d3); 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 9216.13-100MG

4-Chlorobenzhydrol; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 9217.13-100MG

4-Chlorobenzophenone; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 1981.12-K-ME

Tri-n-butyltin chloride; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 9242.7-K-ANX10

Salicylic acid-d4 (3,4,5,6-d4); 1000 µg/mL in acetonitrile; 1 mL x 10

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  • Brand Chiron
  • Matrix acetonitrile
  • Concentration 1000 µg/mL
SKU: 9244.8-10MG

Acetaminophen-d3; neat; 10 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 9274.20-K-ME

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

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 9282.28-25MG

Sildenafil citrate; neat; 25 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 9284.17-100-ME

(+)-(1S,4S)-Sertraline hydrochloride; 100 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg base/mL
SKU: 9288.17-100-ME

Mirtazapine; 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
SKU: 9298.23-100-ME

Vardenafil-d5 (N-ethyl-d5); 100 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg/mL
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