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.

Urea-13C,15N2 CAS NO 78405-35-3

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CAS No.:78405-35-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Manpap CAS NO 78474-85-8

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CAS No.:78474-85-8

Grade:Pharmacy Grade

Content:99.90%

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Methylmercury Glutathione CAS NO 78505-11-0

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CAS No.:78505-11-0

Grade:Pharmacy Grade

Content:99.90%

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Quinine-10,11-Epoxide CAS NO 78523-31-6

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CAS No.:78523-31-6

Grade:Pharmacy Grade

Content:99.90%

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Acetanilide-Ring-Ul-14C CAS NO 78645-81-5

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CAS No.:78645-81-5

Grade:Pharmacy Grade

Content:99.90%

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2-Nitroaniline-Ul-14C CAS NO 78645-83-7

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CAS No.:78645-83-7

Grade:Pharmacy Grade

Content:99.90%

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Tricyclo[8.2.2.24,7]Hexadeca-4,6,10,12,13,15-Hexaene-5,11-Diamine, Stereoisomer (9Ci) CAS NO 78654-99-6

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CAS No.:78654-99-6

Grade:Pharmacy Grade

Content:99.90%

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(3,3,4,4,4-D5)-(E/Z)-1-[4-(2-Chloroethoxy)Phenyl]-1-[4-Hydroxyphenyl]-2-Phenyl-1-Butene CAS NO 78995-98-9

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CAS No.:78995-98-9

Grade:Pharmacy Grade

Content:99.90%

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