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.

1-(4-Bromomethyl-2-Thiazoyl)Guanidine, Hydrobromide Saltdiscontinued See: C369545 CAS NO 204693-12-9

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CAS No.:204693-12-9

Grade:Pharmacy Grade

Content:99.90%

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D4 C27 Alpha Alpha Alpha (20R) Cholestane CAS NO 205529-74-4

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CAS No.:205529-74-4

Grade:Pharmacy Grade

Content:99.90%

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Darifenacin 3-Hydroxy Impurity CAS NO 206048-82-0

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CAS No.:206048-82-0

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Content:99.90%

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Btcp Maleate CAS NO 207455-25-2

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CAS No.:207455-25-2

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Content:99.90%

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Methyl-13C Trifluoromethanesulfonate CAS NO 207556-12-5

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CAS No.:207556-12-5

Grade:Pharmacy Grade

Content:99.90%

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2-Amino-3,8-Dimethylimidazo[4,5-F]Quinoxaline-2-13C CAS NO 209977-58-2

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CAS No.:209977-58-2

Grade:Pharmacy Grade

Content:99.90%

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Nsc 304613 CAS NO 210035-02-2

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CAS No.:210035-02-2

Grade:Pharmacy Grade

Content:99.90%

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3-Amino-1-Methyl-5H-Pyrido[4,3-B]Indole-3-14C, Acetate CAS NO 210049-15-3

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CAS No.:210049-15-3

Grade:Pharmacy Grade

Content:99.90%

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