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.

5Α-Cholest-8(14)-Ene-3Β,7,15-Triol CAS NO 54411-51-7

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CAS No.:54411-51-7

Grade:Pharmacy Grade

Content:99.90%

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Ethacrynic Acid Mercapturate CAS NO 54546-23-5

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CAS No.:54546-23-5

Grade:Pharmacy Grade

Content:99.90%

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Alprenolol Glucuronide CAS NO 54587-50-7

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CAS No.:54587-50-7

Grade:Pharmacy Grade

Content:99.90%

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Urs-12-En-28-Oic Acid,3-(3-Carboxy-1-Oxopropoxy)-,(3B)- (9Ci) CAS NO 54717-85-0

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CAS No.:54717-85-0

Grade:Pharmacy Grade

Content:99.90%

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17Α-Acetyloxy-19,20-Didehydroyohimban-16Α-Carboxylic Acid Methyl Ester CAS NO 54725-62-1

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CAS No.:54725-62-1

Grade:Pharmacy Grade

Content:99.90%

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Modbuwpkwkqqdo-Uhfffaoysa-N CAS NO 54738-70-4

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CAS No.:54738-70-4

Grade:Pharmacy Grade

Content:99.90%

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Fumaric Acid-2 3-14C CAS NO 54744-93-3

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CAS No.:54744-93-3

Grade:Pharmacy Grade

Content:99.90%

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2,4-Dichlorophenoxyacetic Acid-Carboxy-14C CAS NO 54745-01-6

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CAS No.:54745-01-6

Grade:Pharmacy Grade

Content:99.90%

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