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.

15-Hydroxynorandrostene-3,17-Dione Glucuronide CAS NO 131749-23-0

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CAS No.:131749-23-0

Grade:Pharmacy Grade

Content:99.90%

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D-[2-13C]Threo-Pent-2-Ulose CAS NO 131771-47-6

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CAS No.:131771-47-6

Grade:Pharmacy Grade

Content:99.90%

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D-[2-13C]Erythro-Pent-2-Ulose CAS NO 131771-71-6

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CAS No.:131771-71-6

Grade:Pharmacy Grade

Content:99.90%

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Carbovir-5'-o-Glucuronide CAS NO 131956-47-3

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CAS No.:131956-47-3

Grade:Pharmacy Grade

Content:99.90%

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D-Mannitol-1-13C CAS NO 132202-29-0

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CAS No.:132202-29-0

Grade:Pharmacy Grade

Content:99.90%

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4-[[(6Ar)-6Aβ,7,10,10Aα-Tetrahydro-6,6,9-Trimethyl-3-Pentyl-6H-Dibenzo[B,D]Pyran-1-Yl]Oxy]-1-Butanamine CAS NO 132213-87-7

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CAS No.:132213-87-7

Grade:Pharmacy Grade

Content:99.90%

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3-Pentanone, 2-(Phenylmethoxy)-, (2S)- (Related Reference) CAS NO 132489-33-9

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CAS No.:132489-33-9

Grade:Pharmacy Grade

Content:99.90%

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Peak E CAS NO 132685-02-0

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CAS No.:132685-02-0

Grade:Pharmacy Grade

Content:99.90%

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