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.

Dregeoside Ga1 CAS NO 98665-66-8

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CAS No.:98665-66-8

Grade:Pharmacy Grade

Content:99.90%

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(-)-Β,3,4-Trihydroxybenzenepentanoic Acid 2-(3,4-Dihydroxyphenyl)-3,4-Dihydro-5,7-Dihydroxy-2H-1-Benzopyran-3-Yl Ester CAS NO 98570-83-3

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CAS No.:98570-83-3

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Content:99.90%

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C27 Ring-C Monoaromatic Sterane (5Beta(H),10Beta(Ch3)/5A(H),10Beta(Ch3)) CAS NO 98819-91-1

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CAS No.:98819-91-1

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Content:99.90%

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C27 Ring-C Monoaromatic Sterane (5Beta(H),10Beta(Ch3)/5Alpha(H),10Beta(Ch3)) CAS NO 98819-92-2

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CAS No.:98819-92-2

Grade:Pharmacy Grade

Content:99.90%

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Aminomenthylnorepinephrine CAS NO 99081-68-2

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CAS No.:99081-68-2

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Content:99.90%

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Chenodeoxycholic-2,2,4,4-D4 Acid CAS NO 99102-69-9

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CAS No.:99102-69-9

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Content:99.90%

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Benzoic Acid, Ethyl Ester, Radical Ion(1+) (9Ci) CAS NO 99341-95-4

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CAS No.:99341-95-4

Grade:Pharmacy Grade

Content:99.90%

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Prosaikogenin A CAS NO 99365-21-6

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CAS No.:99365-21-6

Grade:Pharmacy Grade

Content:99.90%

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