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.

n-2-4-Dnp-Dl-Citrulline Crystalline CAS NO 102783-65-3

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CAS No.:102783-65-3

Grade:Pharmacy Grade

Content:99.90%

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n-2,4-Dnp-L-Glutamic Acid Di(Monocyclohexylammonium) Salt CAS NO 102783-75-5

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CAS No.:102783-75-5

Grade:Pharmacy Grade

Content:99.90%

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Bthc CAS NO 102818-95-1

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CAS No.:102818-95-1

Grade:Pharmacy Grade

Content:99.90%

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4-Hydroxyandrostenedione Glucuronide CAS NO 102848-54-4

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CAS No.:102848-54-4

Grade:Pharmacy Grade

Content:99.90%

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3,5,8-Trimethylimidazo(4,5-F)Quinoxalin-2-Amine CAS NO 103139-94-2

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CAS No.:103139-94-2

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Content:99.90%

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19-Hydroxyaldosterone CAS NO 103246-10-2

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CAS No.:103246-10-2

Grade:Pharmacy Grade

Content:99.90%

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Trioxilin A4 CAS NO 103301-70-8

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CAS No.:103301-70-8

Grade:Pharmacy Grade

Content:99.90%

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Dibromodibenzofuran CAS NO 103456-40-2

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CAS No.:103456-40-2

Grade:Pharmacy Grade

Content:99.90%

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