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.

1,2,3-Propanetriol Tris(Octanoate-1-13C) CAS NO 65402-55-3

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CAS No.:65402-55-3

Grade:Pharmacy Grade

Content:99.90%

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17-Hydroxyandrostane-3-Glucuronide CAS NO 65535-18-4

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CAS No.:65535-18-4

Grade:Pharmacy Grade

Content:99.90%

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(2S)-3,4-Dihydro-3Α,4Β-Dihydroxy-2Β-Methyl-7-[(E)-1-Propenyl]-2H,5H-Pyrano[4,3-B]Pyran-5-One CAS NO 65647-66-7

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CAS No.:65647-66-7

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Content:99.90%

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2,3,4,4A-Tetrahydro-5,8,10-Trihydroxy-6-Methoxy-1,1,4A-Trimethyl-7-(Me Thylethyl)-9(1H)-Phenanthrenone CAS NO 65714-80-9

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CAS No.:65714-80-9

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Content:99.90%

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Dihydrocitrinone CAS NO 65718-85-6

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CAS No.:65718-85-6

Grade:Pharmacy Grade

Content:99.90%

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Wlkphjweiiaifw-Fbyxxyqpsa-N CAS NO 65807-08-1

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CAS No.:65807-08-1

Grade:Pharmacy Grade

Content:99.90%

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1,9,10-Trihydroxy-9,10-Dihydro-3-Methylcholanthrene (1-Alpha,9-Alpha,1 0-Beta) CAS NO 65831-43-8

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CAS No.:65831-43-8

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Content:99.90%

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n-Acetylnorheroin CAS NO 65846-34-6

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CAS No.:65846-34-6

Grade:Pharmacy Grade

Content:99.90%

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