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.

Fexofenadine n-Oxide CAS NO 1422515-52-3

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CAS No.:1422515-52-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Fasudil Impurity 1 CAS NO 1423155-03-6

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CAS No.:1423155-03-6

Grade:Pharmacy Grade

Content:99.90%

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Vwyiwoybernxlx-Fnkkqmtjsa-N CAS NO 1426395-63-2

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CAS No.:1426395-63-2

Grade:Pharmacy Grade

Content:99.90%

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Jwh 122 2-Methylnaphthyl Isomer CAS NO 1427325-69-6

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CAS No.:1427325-69-6

Grade:Pharmacy Grade

Content:99.90%

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Rcs-8 3-Methoxy Isomer CAS NO 1427326-08-6

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CAS No.:1427326-08-6

Grade:Pharmacy Grade

Content:99.90%

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Ztmssdqfjneung-Wmmxxeousa-N CAS NO 1429386-01-5

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CAS No.:1429386-01-5

Grade:Pharmacy Grade

Content:99.90%

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L-Thyroxine-13C9,15N CAS NO 1431868-11-9

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CAS No.:1431868-11-9

Grade:Pharmacy Grade

Content:99.90%

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Nicardipine-D3 CAS NO 1432061-50-1

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CAS No.:1432061-50-1

Grade:Pharmacy Grade

Content:99.90%

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