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-Chloroestradiol CAS NO 88847-88-5

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CAS No.:88847-88-5

Grade:Pharmacy Grade

Content:99.90%

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8-Oxo-2'-Deoxyguanosine CAS NO 88847-89-6

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CAS No.:88847-89-6

Grade:Pharmacy Grade

Content:99.90%

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Phenol (13C6) CAS NO 89059-34-7

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CAS No.:89059-34-7

Grade:Pharmacy Grade

Content:99.90%

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Aniline-13C6 Hydrochloride CAS NO 89059-38-1

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CAS No.:89059-38-1

Grade:Pharmacy Grade

Content:99.90%

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3,4-Dichloroaniline-Ul-14C CAS NO 89059-40-5

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CAS No.:89059-40-5

Grade:Pharmacy Grade

Content:99.90%

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1,3-Dipropyl-8-p-Sulfophenylxanthine CAS NO 89073-57-4

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CAS No.:89073-57-4

Grade:Pharmacy Grade

Content:99.90%

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Dabsyl-L-Proline CAS NO 89131-09-9

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CAS No.:89131-09-9

Grade:Pharmacy Grade

Content:99.90%

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Pyruvic-2 3-13C2 Acid Sodium Salt CAS NO 89196-78-1

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CAS No.:89196-78-1

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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