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.

Beta-D-Glucopyranosiduronic Acid, (1Alpha,3Beta,5Z,7E)-Dihydroxy-9,10- Secocholesta-5,7,10(19)-Trienyl CAS NO 82694-73-3

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CAS No.:82694-73-3

Grade:Pharmacy Grade

Content:99.90%

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(S)-4-Hydroxy Mephenytoin CAS NO 82695-93-0

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CAS No.:82695-93-0

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Content:99.90%

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Qungjlqfmqghsk-Rzwfjvbzsa-M CAS NO 82731-28-0

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CAS No.:82731-28-0

Grade:Pharmacy Grade

Content:99.90%

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Gonyautoxin Vi CAS NO 82810-44-4

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CAS No.:82810-44-4

Grade:Pharmacy Grade

Content:99.90%

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(17Β)-2-(Acetyl-13C2)-17-(Benzoyloxy)-4-Oxaandrost-5-En-3-One CAS NO 82938-00-9

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CAS No.:82938-00-9

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Content:99.90%

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17Β-Estradiol-13C2 CAS NO 82938-05-4

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CAS No.:82938-05-4

Grade:Pharmacy Grade

Content:99.90%

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3-o-Tetradecanoylingenol CAS NO 83036-83-3

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CAS No.:83036-83-3

Grade:Pharmacy Grade

Content:99.90%

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1,2-Dehydro-n-Acetyldopamine CAS NO 83104-76-1

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CAS No.:83104-76-1

Grade:Pharmacy Grade

Content:99.90%

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