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.

Nsc156529 >=98% (Hplc) CAS NO 41134-88-7

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CAS No.:41134-88-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

8-Epi-Cyanocobalamin CAS NO 41325-63-7

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CAS No.:41325-63-7

Grade:Pharmacy Grade

Content:99.90%

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(1S,4As,5R,8As)-5-[(E)-3-Methyl-4-Carboxy-3-Butenyl]-1,4A-Dimethyl-6-Methylenedecalin-1-Carboxylic Acid CAS NO 41988-89-0

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CAS No.:41988-89-0

Grade:Pharmacy Grade

Content:99.90%

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Cyl-2 CAS NO 42002-26-6

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CAS No.:42002-26-6

Grade:Pharmacy Grade

Content:99.90%

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9(Z),11(E),13(E)-Octadecatrienoic Acid Ethyl Ester CAS NO 42021-86-3

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CAS No.:42021-86-3

Grade:Pharmacy Grade

Content:99.90%

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5-Carboxybupranolol CAS NO 42242-69-3

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CAS No.:42242-69-3

Grade:Pharmacy Grade

Content:99.90%

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Dansyl-Dl-Phenylalanine Cyclohexylammonium Salt CAS NO 42808-06-0

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CAS No.:42808-06-0

Grade:Pharmacy Grade

Content:99.90%

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2-[15N]Amino-2-Deoxy-D-Glucose Hydrochloride CAS NO 42927-60-6

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CAS No.:42927-60-6

Grade:Pharmacy Grade

Content:99.90%

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