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.

n-Nitrosohexamethyleneimine CAS NO 932-83-2

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CAS No.:932-83-2

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Benzyl Methyl Nitrosamine CAS NO 937-40-6

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CAS No.:937-40-6

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Content:99.90%

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1,3-Dimethyluric Acid CAS NO 944-73-0

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CAS No.:944-73-0

Grade:Pharmacy Grade

Content:99.90%

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n-Nitroso Dicyclohexylamine CAS NO 947-92-2

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CAS No.:947-92-2

Grade:Pharmacy Grade

Content:99.90%

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3-(2-Aminoethyl)-5-Hydroxyindole Creatinine Sulfate Complex CAS NO 971-74-4

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CAS No.:971-74-4

Grade:Pharmacy Grade

Content:99.90%

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Ofloxacin o-Glucuronide CAS NO 90293-81-5

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CAS No.:90293-81-5

Grade:Pharmacy Grade

Content:99.90%

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4-Hydroxy-2,2,6,6-Tetramethylpiperidine-1-Oxyl (D17, 15N) CAS NO 90429-66-6

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CAS No.:90429-66-6

Grade:Pharmacy Grade

Content:99.90%

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