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.

Cerin CAS NO 468-67-7

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CAS No.:468-67-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

(4As)-3,4,4A,9,10,10Aα-Hexahydro-6-Hydroxy-1,1,4A-Trimethyl-7-Isopropylphenanthren-2(1H)-One CAS NO 472-37-7

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CAS No.:472-37-7

Grade:Pharmacy Grade

Content:99.90%

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2',4',6'-Trihydroxyacetophenone Monohydrate CAS NO 480-66-0

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CAS No.:480-66-0

Grade:Pharmacy Grade

Content:99.90%

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Estriol 3-Sulfate CAS NO 481-95-8

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CAS No.:481-95-8

Grade:Pharmacy Grade

Content:99.90%

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Isoquercitrin CAS NO 482-35-9

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CAS No.:482-35-9

Grade:Pharmacy Grade

Content:99.90%

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Isofraxidin CAS NO 486-21-5

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CAS No.:486-21-5

Grade:Pharmacy Grade

Content:99.90%

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(-)-Cotinine CAS NO 486-56-6

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CAS No.:486-56-6

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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