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.

Microcystin CAS NO 77238-39-2

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CAS No.:77238-39-2

Grade:Pharmacy Grade

Content:99.90%

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Dl-Cysteine, S-Benzyl (1-13C) CAS NO 77284-35-6

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CAS No.:77284-35-6

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Content:99.90%

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p-o-Desmethyl Verapamil CAS NO 77326-93-3

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CAS No.:77326-93-3

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Content:99.90%

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Sulmazole Sulfone CAS NO 77414-24-5

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CAS No.:77414-24-5

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Content:99.90%

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Ethylene-13C2-Diamine Dihydrochloride CAS NO 77435-60-0

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CAS No.:77435-60-0

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Content:99.90%

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5'-Hydroxypiroxicam CAS NO 77459-78-0

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CAS No.:77459-78-0

Grade:Pharmacy Grade

Content:99.90%

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5-Fluorouracil n-Β-D-Glucuronide Methyl Ester, 2,3,4-Triacetate CAS NO 77476-81-4

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CAS No.:77476-81-4

Grade:Pharmacy Grade

Content:99.90%

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Testosterone-16,16,17-D3 CAS NO 77546-39-5

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CAS No.:77546-39-5

Grade:Pharmacy Grade

Content:99.90%

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