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.

Metoxibutropate CAS NO 66332-77-2

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CAS No.:66332-77-2

Grade:Pharmacy Grade

Content:99.90%

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n-Nitrosomethyl-(2-Hydroxyethyl)Amine 4-Toluenesulfonate Ester CAS NO 66398-63-8

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CAS No.:66398-63-8

Grade:Pharmacy Grade

Content:99.90%

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Ifenprodil Glucuronide CAS NO 66516-92-5

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CAS No.:66516-92-5

Grade:Pharmacy Grade

Content:99.90%

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4H-1-Benzopyran-4-One,3-Hydroxy-2-Phenyl-,Radicalion(1+)(9Ci) CAS NO 66585-05-5

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CAS No.:66585-05-5

Grade:Pharmacy Grade

Content:99.90%

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4H-1-Benzopyran-4-One,5-Hydroxy-2-Phenyl-,Radicalion(1+)(9Ci) CAS NO 66585-06-6

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CAS No.:66585-06-6

Grade:Pharmacy Grade

Content:99.90%

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17-Debromo-29-De(1-Hydroxyethyl)-29-(Hydroxymethyl)Aplysiatoxin CAS NO 66671-95-2

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CAS No.:66671-95-2

Grade:Pharmacy Grade

Content:99.90%

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7-Hydroxy Coumarin Glucuronide CAS NO 66695-14-5

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CAS No.:66695-14-5

Grade:Pharmacy Grade

Content:99.90%

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6-Acetoxy-3-Ethenyldodecahydro-5,10,10B-Trihydroxy-3,4A,7,7,10A-Pentamethyl-1H-Naphtho[2,1-B]Pyran-1-One CAS NO 66701-90-4

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CAS No.:66701-90-4

Grade:Pharmacy Grade

Content:99.90%

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