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.

Methyl Methanethiosulfonate-13C CAS NO 1309943-60-9

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CAS No.:1309943-60-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

3-Hydroxy-Dl-Kynurenine-(Butyric-1,2-13C2) Dihydrobromide CAS NO 1313734-57-4

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CAS No.:1313734-57-4

Grade:Pharmacy Grade

Content:99.90%

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Rac-N'-Nitrosonornicotine 1-n-Oxide CAS NO 1314916-69-2

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CAS No.:1314916-69-2

Grade:Pharmacy Grade

Content:99.90%

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11-Desmethyl Rifaximin-D4 CAS NO 1316302-12-1

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CAS No.:1316302-12-1

Grade:Pharmacy Grade

Content:99.90%

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Aphagranin A CAS NO 1318173-53-3

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CAS No.:1318173-53-3

Grade:Pharmacy Grade

Content:99.90%

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Eos (D18:1/32:1/18:2) CAS NO 1318771-31-1

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CAS No.:1318771-31-1

Grade:Pharmacy Grade

Content:99.90%

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Discontinued CAS NO 1320360-87-9

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CAS No.:1320360-87-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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