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.

n-Nitroso-n-Propyl- CAS NO 33469-51-1

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CAS No.:33469-51-1

Grade:Pharmacy Grade

Content:99.90%

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4-Oxoretinaldehyde CAS NO 33532-44-4

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CAS No.:33532-44-4

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Content:99.90%

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Venturicidin A CAS NO 33538-71-5

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CAS No.:33538-71-5

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Content:99.90%

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(18S)-Ormosanine CAS NO 33792-80-2

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CAS No.:33792-80-2

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Content:99.90%

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1-Hydroxyadamantane-D15 (Oh) CAS NO 33830-11-4

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CAS No.:33830-11-4

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Content:99.90%

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(14R)-Grayanotox-10(20)-Ene-3Β,5,6Β,12Β,14,16-Hexol CAS NO 33880-98-7

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CAS No.:33880-98-7

Grade:Pharmacy Grade

Content:99.90%

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S-(-)-Cotinine Methiodide CAS NO 33952-07-7

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CAS No.:33952-07-7

Grade:Pharmacy Grade

Content:99.90%

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2-O,3-O,4-O,5-O,6-o-Pentakis(Trimethylsilyl)-D-Glucose o-Methyl Oxime CAS NO 34152-44-8

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CAS No.:34152-44-8

Grade:Pharmacy Grade

Content:99.90%

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