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.

Para-Topolin Riboside 99% (Hplc) CAS NO 110505-75-4

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CAS No.:110505-75-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Roxatidine-D10 Hemioxalate CAS NO 110925-88-7

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CAS No.:110925-88-7

Grade:Pharmacy Grade

Content:99.90%

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9(S)-Hpot CAS NO 111004-08-1

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CAS No.:111004-08-1

Grade:Pharmacy Grade

Content:99.90%

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21-o-Β-D-Glucopyranosylsorangicin A CAS NO 111727-66-3

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CAS No.:111727-66-3

Grade:Pharmacy Grade

Content:99.90%

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Cefodizime Oxidation Impurity 1 CAS NO 111874-11-4

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CAS No.:111874-11-4

Grade:Pharmacy Grade

Content:99.90%

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o-Cresol -D-Glucuronide CAS NO 111897-99-5

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CAS No.:111897-99-5

Grade:Pharmacy Grade

Content:99.90%

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3-Carboxy-2,2,5,5-Tetramethyl-3-Pyrrolin-1-Yloxy, Free Radical CAS NO 111930-19-9

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CAS No.:111930-19-9

Grade:Pharmacy Grade

Content:99.90%

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Antrin (Rat) CAS NO 112173-60-1

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CAS No.:112173-60-1

Grade:Pharmacy Grade

Content:99.90%

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