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.

Tolterodine Impurity 5 CAS NO 173948-30-6

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CAS No.:173948-30-6

Grade:Pharmacy Grade

Content:99.90%

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4-(Trifluoromethyl)Phenyl Β-D-Glucopyranosiduronic Acid CAS NO 176223-16-8

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CAS No.:176223-16-8

Grade:Pharmacy Grade

Content:99.90%

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8-Hydroxyodoroside A CAS NO 176519-75-8

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CAS No.:176519-75-8

Grade:Pharmacy Grade

Content:99.90%

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Aal Toxin Tc2 CAS NO 176590-34-4

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CAS No.:176590-34-4

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Content:99.90%

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n-(tert-Butoxycarbonyl)Aniline-13C6 CAS NO 176850-21-8

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CAS No.:176850-21-8

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Content:99.90%

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L-Threoascorbic Acid-1-13C CAS NO 178101-88-7

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CAS No.:178101-88-7

Grade:Pharmacy Grade

Content:99.90%

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6-Epialbrassitriol CAS NO 178456-58-1

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CAS No.:178456-58-1

Grade:Pharmacy Grade

Content:99.90%

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4-Oh-E1-1-N7Gua CAS NO 178971-92-1

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CAS No.:178971-92-1

Grade:Pharmacy Grade

Content:99.90%

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