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-(2-Aminoanilino)Pyridine-D4 CAS NO 1189459-85-5

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CAS No.:1189459-85-5

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

4,5-Dihydro-5-Methyl-3,4-Diphenyl-5-Isoxazolol-13C2, 15N CAS NO 1189468-68-5

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CAS No.:1189468-68-5

Grade:Pharmacy Grade

Content:99.90%

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4-[Bis(2-Hydroxypropyl)Amino]Benzoic Acid-D4 Ethyl Ester CAS NO 1189469-25-7

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CAS No.:1189469-25-7

Grade:Pharmacy Grade

Content:99.90%

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Mesna-D4 (May Contain Up To 10% Disulfide) CAS NO 1189479-73-9

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CAS No.:1189479-73-9

Grade:Pharmacy Grade

Content:99.90%

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Fluorene (13C6) CAS NO 1189497-69-5

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CAS No.:1189497-69-5

Grade:Pharmacy Grade

Content:99.90%

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Indole 2-N,n-Diethylmethylamine-13C CAS NO 1189651-22-6

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CAS No.:1189651-22-6

Grade:Pharmacy Grade

Content:99.90%

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Flavoxate-D4 Hydrochloride CAS NO 1189678-43-0

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CAS No.:1189678-43-0

Grade:Pharmacy Grade

Content:99.90%

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Vardenafil-D5 CAS NO 1189685-70-8

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CAS No.:1189685-70-8

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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