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.

o-Desmethyl Tramadol Hcl CAS NO 80456-81-1

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CAS No.:80456-81-1

Grade:Pharmacy Grade

Content:99.90%

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5Α-Cholestane-3,15-Diol CAS NO 80656-42-4

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CAS No.:80656-42-4

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Content:99.90%

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Isopentyl Β-D-Glucuronide CAS NO 80712-92-1

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CAS No.:80712-92-1

Grade:Pharmacy Grade

Content:99.90%

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Skf 83959 Hydrobromide CAS NO 80751-85-5

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CAS No.:80751-85-5

Grade:Pharmacy Grade

Content:99.90%

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3-(Beta-D-Glucopyranosiduronic Acid)-10-(4-Chlorophenyl)-2,10-Dihydro-2-Isopropyliminophenazine CAS NO 80832-47-9

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CAS No.:80832-47-9

Grade:Pharmacy Grade

Content:99.90%

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L-Phenylalanine (1-13C) CAS NO 81201-86-7

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CAS No.:81201-86-7

Grade:Pharmacy Grade

Content:99.90%

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L-Glutamic Acid (1-13C) CAS NO 81201-99-2

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CAS No.:81201-99-2

Grade:Pharmacy Grade

Content:99.90%

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L-Methionine-1-13C CAS NO 81202-04-2

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CAS No.:81202-04-2

Grade:Pharmacy Grade

Content:99.90%

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