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.

(4R)-4-[(S)-Hydroxyphenylmethyl]-2,2-Dimethyl-3-Oxazolidinecarboxylic-13C6 Acid tert-Butyl Ester CAS NO 1377320-83-6

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CAS No.:1377320-83-6

Grade:Pharmacy Grade

Content:99.90%

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Thi0019 CAS NO 1378532-99-0

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CAS No.:1378532-99-0

Grade:Pharmacy Grade

Content:99.90%

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Jwh 398 n-(5-Hydroxypentyl) Metabolite CAS NO 1379604-69-9

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CAS No.:1379604-69-9

Grade:Pharmacy Grade

Content:99.90%

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Tetrabenazine Related Impurity 2 CAS NO 1381929-92-5

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CAS No.:1381929-92-5

Grade:Pharmacy Grade

Content:99.90%

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Gtqtuabhrcwvll-Uhfffaoysa-N CAS NO 1383450-81-4

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CAS No.:1383450-81-4

Grade:Pharmacy Grade

Content:99.90%

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Cabazitaxel-D6 CAS NO 1383561-29-2

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CAS No.:1383561-29-2

Grade:Pharmacy Grade

Content:99.90%

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Sulfisoxazole-D4 CAS NO 1388717-81-4

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CAS No.:1388717-81-4

Grade:Pharmacy Grade

Content:99.90%

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Labetalol Impurity A CAS NO 1391051-99-2

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CAS No.:1391051-99-2

Grade:Pharmacy Grade

Content:99.90%

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