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.

L-Cystine-1,1Μ-13C2 CAS NO 136743-62-9

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CAS No.:136743-62-9

Grade:Pharmacy Grade

Content:99.90%

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Hydrocodone-D3 CAS NO 136765-36-1

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CAS No.:136765-36-1

Grade:Pharmacy Grade

Content:99.90%

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Naphthgeranine A CAS NO 137109-43-4

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CAS No.:137109-43-4

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Content:99.90%

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Dl-Aspartic-1-13C Acid CAS NO 137168-39-9

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CAS No.:137168-39-9

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Content:99.90%

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9-Fluorenone-D8 CAS NO 137219-34-2

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CAS No.:137219-34-2

Grade:Pharmacy Grade

Content:99.90%

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N(4)-(Guanosin-7-Yl)-4-Aminoquinoline 1-Oxide CAS NO 137339-24-3

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CAS No.:137339-24-3

Grade:Pharmacy Grade

Content:99.90%

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H-Arg(Nh2)-Oh Flavianate CAS NO 137361-06-9

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CAS No.:137361-06-9

Grade:Pharmacy Grade

Content:99.90%

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2-(Β-D-Glucopyranosyl)-1,1',3,4',6,7,8'-Heptahydroxy-6'-Methoxy[4,2'-Bi[9H-Xanthene]]-9,9'-Dione CAS NO 137570-21-9

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CAS No.:137570-21-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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