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.

Apigenin 6-C-Α-L-Arabinopyranosyl-8-C-Β-D-Xylopyranoside CAS NO 677021-30-6

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CAS No.:677021-30-6

Grade:Pharmacy Grade

Content:99.90%

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2-(5-Bromo-2-Pyridylazo)-5-[n-Propyl-n-(3-Sulfopropyl)Amino]Phenol Disodium Salt Dihydrate CAS NO 679787-08-7

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CAS No.:679787-08-7

Grade:Pharmacy Grade

Content:99.90%

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4-Benzyloxy-[7-13C]Benzyl Alcohol CAS NO 680182-18-7

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CAS No.:680182-18-7

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Content:99.90%

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2-(3,4-Dihydroxyphenyl)-3-(Β-D-Glucopyranuronosyloxy)-5,7-Dihydroxy-1-Benzopyrylium Chloride CAS NO 683208-13-1

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CAS No.:683208-13-1

Grade:Pharmacy Grade

Content:99.90%

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Androst-5-En-17-One, 3,7,11-Tris(Acetyloxy)-, (3Beta,7Beta,11Alpha)- (9Ci) CAS NO 685877-57-0

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CAS No.:685877-57-0

Grade:Pharmacy Grade

Content:99.90%

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1H-2-Benzopyran-4,5-Diol, 3,4-Dihydro-6-Methoxy-1,3-Dimethyl-, (1R,3R,4S)- (9Ci) CAS NO 688005-04-1

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CAS No.:688005-04-1

Grade:Pharmacy Grade

Content:99.90%

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Anion Standard - Propionate CAS NO 72-03-7

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CAS No.:72-03-7

Grade:Pharmacy Grade

Content:99.90%

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Medifoxamine Acid Metabolite CAS NO 729-89-5

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CAS No.:729-89-5

Grade:Pharmacy Grade

Content:99.90%

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