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.

4-[4-(Methylsulfonyl)Phenyl]-3-(Phenyl-D5)- CAS NO 544684-93-7

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CAS No.:544684-93-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

4-Chlorobenzene-D4-Sulfonamide CAS NO 544686-14-8

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CAS No.:544686-14-8

Grade:Pharmacy Grade

Content:99.90%

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4-Acetamidophenyl B-D-Glucopyranosiduronic Acid, Methyl Ester CAS NO 570394-17-1

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CAS No.:570394-17-1

Grade:Pharmacy Grade

Content:99.90%

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Aripiprazole N4-Oxide CAS NO 573691-11-9

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CAS No.:573691-11-9

Grade:Pharmacy Grade

Content:99.90%

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Topiroxostat Impurity 9 CAS NO 577778-82-6

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CAS No.:577778-82-6

Grade:Pharmacy Grade

Content:99.90%

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n-Acetyl-S-(2,4-Dimethylbenzene)-L-Cysteine CAS NO 581076-69-9

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CAS No.:581076-69-9

Grade:Pharmacy Grade

Content:99.90%

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Phloretin CAS NO 60-82-2

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CAS No.:60-82-2

Grade:Pharmacy Grade

Content:99.90%

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Serotonin Creatinine Sulfate Monohydrate CAS NO 61-47-2

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CAS No.:61-47-2

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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