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.

Cbi-Bb Zero/005764 CAS NO 889945-01-1

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CAS No.:889945-01-1

Grade:Pharmacy Grade

Content:99.90%

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Std1T CAS NO 893075-58-6

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CAS No.:893075-58-6

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Content:99.90%

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(R)-n-Formyl Methamphetamine CAS NO 894793-16-9

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CAS No.:894793-16-9

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Content:99.90%

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Chloroalbuterol CAS NO 898542-81-9

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CAS No.:898542-81-9

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Content:99.90%

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Acetone o-2,3,4,5,6-Pfbha-Oxime CAS NO 899828-53-6

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CAS No.:899828-53-6

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Content:99.90%

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n-Phenylanthranilic Acid CAS NO 91-40-7

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CAS No.:91-40-7

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Content:99.90%

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Esculetin Dibenzyl Ether CAS NO 909-84-2

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CAS No.:909-84-2

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Content:99.90%

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Methyl n-Propyl Nitrosamine CAS NO 924-46-9

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CAS No.:924-46-9

Grade:Pharmacy Grade

Content:99.90%

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