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.

2,7-Methano-1H-Cyclopentapyrazin-3(2H)-One,Hexahydro-5-Hydroxy-1-Methyl-,(2-Alpha-,4A-Bta-,5-Alpha-,7-Alpha-,7A-Bta-)-(9Ci) CAS NO 97911-56-3

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CAS No.:97911-56-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Thormaehlen Positive Compound B CAS NO 98125-71-4

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CAS No.:98125-71-4

Grade:Pharmacy Grade

Content:99.90%

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Hydroxynefazodone CAS NO 98159-82-1

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CAS No.:98159-82-1

Grade:Pharmacy Grade

Content:99.90%

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4-Epitetrodotoxin CAS NO 98242-82-1

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CAS No.:98242-82-1

Grade:Pharmacy Grade

Content:99.90%

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Aminomethylbenzoic Acid Impurity 2 CAS NO 98270-32-7

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CAS No.:98270-32-7

Grade:Pharmacy Grade

Content:99.90%

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Milrinone Impurity 3 CAS NO 98293-81-3

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CAS No.:98293-81-3

Grade:Pharmacy Grade

Content:99.90%

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(6R)-5,6-Dihydro-4-Hydroxy-6-[(2S,3S,4R,5E,7S,8S,9E)-2,4,8-Trihydroxy-3,7,9-Trimethylundeca-5,9-Dienyl]-2H-Pyran-2-One CAS NO 98353-41-4

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CAS No.:98353-41-4

Grade:Pharmacy Grade

Content:99.90%

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Homoarginine Impurity 1 CAS NO 98500-82-4

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CAS No.:98500-82-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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