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.

9,10-Dihydro-9,10-Dihydroxy-5-Methylchrysene CAS NO 67411-82-9

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CAS No.:67411-82-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

4-Hydroxy-3-Methoxyphenylglycol Hemipiperazinium Salt CAS NO 67423-45-4

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CAS No.:67423-45-4

Grade:Pharmacy Grade

Content:99.90%

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n-[2-(4,6-Dihydroxy-3,3,5-Trimethyl-2-Oxocyclohexyl)-2-Hydroxy-1-(Methoxymethyl)Ethyl]-7-Methoxy-9-Methyl-4-Hexadecenamide CAS NO 67488-04-4

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CAS No.:67488-04-4

Grade:Pharmacy Grade

Content:99.90%

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15-Hydroperoxy-5,8,11,13-Eicosatetraenoic Acid CAS NO 67675-14-3

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CAS No.:67675-14-3

Grade:Pharmacy Grade

Content:99.90%

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Edaravone Impurity 26 CAS NO 67790-05-0

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CAS No.:67790-05-0

Grade:Pharmacy Grade

Content:99.90%

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n-Nitroso-n-Propylacetamide CAS NO 67809-15-8

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CAS No.:67809-15-8

Grade:Pharmacy Grade

Content:99.90%

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11-Dehydro Thromboxane B2 CAS NO 67910-12-7

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CAS No.:67910-12-7

Grade:Pharmacy Grade

Content:99.90%

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Endotoxin CAS NO 67924-63-4

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CAS No.:67924-63-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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