Reference Standards

Reference Standards

Reference standards are highly purified, well-characterized substances used to verify the identity, purity, potency, and analytical performance of laboratory measurements. They serve as essential benchmarks in chemical analysis, pharmaceutical quality control, environmental monitoring, and food testing. Reference standards ensure the accuracy and reproducibility of analytical methods by providing traceable calibration materials compliant with international metrological guidelines. Their preparation involves rigorous purification, structural confirmation, stability testing, and certification of assigned values. These standards are critical for method development, instrument calibration, system suitability testing, and regulatory compliance. By establishing analytical comparability across laboratories and industries, reference standards support scientific reliability and strengthen global quality assurance frameworks.

Demethylchlorpromazine Sulfoxide CAS NO 2037-58-3

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CAS No.:2037-58-3

Grade:Pharmacy Grade

Content:99.90%

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3-(Trimethylsilyl)-1-Propanesulfonic Acid Sodium Salt CAS NO 2039-96-5

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CAS No.:2039-96-5

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Content:99.90%

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5,6-Chrysenequinone CAS NO 2051-10-7

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CAS No.:2051-10-7

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Content:99.90%

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Urea-15N2 CAS NO 2067-80-3

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CAS No.:2067-80-3

Grade:Pharmacy Grade

Content:99.90%

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2-(3,4-Dihydroxyphenyl)-5-Hydroxy-3,7-Dimethoxy-4-Benzopyrone CAS NO 2068-02-2

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CAS No.:2068-02-2

Grade:Pharmacy Grade

Content:99.90%

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11C,14C-Eicosadienoic Acid CAS NO 2091-39-6

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CAS No.:2091-39-6

Grade:Pharmacy Grade

Content:99.90%

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Nistc2101862 CAS NO 2101-86-2

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CAS No.:2101-86-2

Grade:Pharmacy Grade

Content:99.90%

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Tetrahymanol Acetate CAS NO 2130-22-5

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CAS No.:2130-22-5

Grade:Pharmacy Grade

Content:99.90%

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