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.

Dibenzo(A,L)Pyrene 11,12-Dihydrodiol CAS NO 88191-01-9

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CAS No.:88191-01-9

Grade:Pharmacy Grade

Content:99.90%

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4-Hydroxymethylbenz(A)Anthracene-10,11-Dihydrodiol CAS NO 88195-60-2

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CAS No.:88195-60-2

Grade:Pharmacy Grade

Content:99.90%

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(3R)-3,4-Dihydro-7-Methylbenzo[A]Anthracene-3Β,4Α-Diol CAS NO 88244-38-6

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CAS No.:88244-38-6

Grade:Pharmacy Grade

Content:99.90%

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7-Methyl-8,9-Dihydrobenzo[A]Anthracene-8Β,9Α-Diol CAS NO 88244-40-0

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CAS No.:88244-40-0

Grade:Pharmacy Grade

Content:99.90%

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25-Hydroxy Cholesterol-D6 CAS NO 88247-69-2

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CAS No.:88247-69-2

Grade:Pharmacy Grade

Content:99.90%

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Alpha-Chaconine:Alpha-Solaninemixture CAS NO 88251-32-5

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CAS No.:88251-32-5

Grade:Pharmacy Grade

Content:99.90%

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4-(Sulfooxy)Dibenz[B,F][1,4]Oxazepin-11(10H)-One CAS NO 88373-19-7

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CAS No.:88373-19-7

Grade:Pharmacy Grade

Content:99.90%

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2-Methyl-3-Glutathionyl-1,4-Naphthoquinone CAS NO 88467-65-6

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CAS No.:88467-65-6

Grade:Pharmacy Grade

Content:99.90%

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