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.

1,2,7,8,13,13Bβ,14,14Aα-Octahydro-1Β-Vinyl-2Α-(Β-D-Glucopyranosyloxy)-5H-Indolo[2,3-A]Pyrano[3,4-G]Quinolizine-5-One CAS NO 23141-25-5

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CAS No.:23141-25-5

Grade:Pharmacy Grade

Content:99.90%

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Rac trans-4-Hydroxy Glyburide CAS NO 23155-00-2

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CAS No.:23155-00-2

Grade:Pharmacy Grade

Content:99.90%

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4-Hydroxyglibenclamide CAS NO 23155-04-6

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CAS No.:23155-04-6

Grade:Pharmacy Grade

Content:99.90%

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7-Hydroxy-2-Phenyl-1-Benzopyrylium CAS NO 23244-15-7

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CAS No.:23244-15-7

Grade:Pharmacy Grade

Content:99.90%

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Histamine Diphosphate CAS NO 23297-93-0

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CAS No.:23297-93-0

Grade:Pharmacy Grade

Content:99.90%

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2Β,3Β,4Aα-Trihydroxy-1Β-Methyl-8-Methylene-6-Oxogibbane-1Α,10Β-Dicarboxylic Acid 1,4A-Lactone CAS NO 23365-02-8

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CAS No.:23365-02-8

Grade:Pharmacy Grade

Content:99.90%

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Androsta-3,5-Diene-3,17Β-Diol Bis(Heptafluorobutyrate) CAS NO 23538-52-5

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CAS No.:23538-52-5

Grade:Pharmacy Grade

Content:99.90%

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n-Isovalerylglycine CAS NO 23590-18-3

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CAS No.:23590-18-3

Grade:Pharmacy Grade

Content:99.90%

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