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.

17Beta(H),21Beta(H)-22Rs-Trishomohopane CAS NO 71629-80-6

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CAS No.:71629-80-6

Grade:Pharmacy Grade

Content:99.90%

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17Beta(H),21Beta(H)-22Rs-Tetrakishomohopane CAS NO 71629-81-7

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CAS No.:71629-81-7

Grade:Pharmacy Grade

Content:99.90%

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17,21-Dihydroxypregn-4-Ene-3,11,20-Trione Bis(o-Methyloxime) Mono(Trimethylsilyl) Ether CAS NO 72088-34-7

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CAS No.:72088-34-7

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Content:99.90%

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3Α,17,21-Trihydroxy-5Β-Pregnane-11,20-Dione Mono(o-Methyloxime) Bis(Trimethylsilyl) Ether CAS NO 72088-35-8

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CAS No.:72088-35-8

Grade:Pharmacy Grade

Content:99.90%

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Adenine, [2,8-3H] CAS NO 72093-28-8

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CAS No.:72093-28-8

Grade:Pharmacy Grade

Content:99.90%

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Bezafibrate Acyl Glucuronide CAS NO 72156-77-5

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CAS No.:72156-77-5

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Content:99.90%

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Cocaine n-Oxide CAS NO 72182-46-8

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CAS No.:72182-46-8

Grade:Pharmacy Grade

Content:99.90%

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Phenobarbital-n-Glucoside CAS NO 72209-10-0

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CAS No.:72209-10-0

Grade:Pharmacy Grade

Content:99.90%

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