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.

(18R,19R)-Lup-12-En-3Β-Ol CAS NO 74523-79-8

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CAS No.:74523-79-8

Grade:Pharmacy Grade

Content:99.90%

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1-Uft Protocol CAS NO 74578-38-4

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CAS No.:74578-38-4

Grade:Pharmacy Grade

Content:99.90%

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n-[(3A,5B,7A,12A)-3,7-Dihydroxy-24-Oxo-12-(Sulfooxy)Cholan-24-Yl]-Glycine CAS NO 74723-17-4

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CAS No.:74723-17-4

Grade:Pharmacy Grade

Content:99.90%

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Methylophiopogonanone B CAS NO 74805-91-7

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CAS No.:74805-91-7

Grade:Pharmacy Grade

Content:99.90%

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Medetomidine Impurity 16 CAS NO 75013-50-2

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CAS No.:75013-50-2

Grade:Pharmacy Grade

Content:99.90%

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7,8,9,10-Tetrahydrobenzo[A]Pyrene-7Α,8Β,9Β-Triol CAS NO 75110-15-5

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CAS No.:75110-15-5

Grade:Pharmacy Grade

Content:99.90%

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Riddelline n-Oxide CAS NO 75056-11-0

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CAS No.:75056-11-0

Grade:Pharmacy Grade

Content:99.90%

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(-)-Cotinine CAS NO 75202-09-4

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CAS No.:75202-09-4

Grade:Pharmacy Grade

Content:99.90%

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