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.

(1S,2S)-(+)-Pseudoephedrine-D3 Hcl (n-Methyl-D3) CAS NO 284665-25-4

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CAS No.:284665-25-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

1-Phenylethanol-1,2-13C2 CAS NO 285138-87-6

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CAS No.:285138-87-6

Grade:Pharmacy Grade

Content:99.90%

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Guanidine-13C, 15N Hcl CAS NO 285977-73-3

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CAS No.:285977-73-3

Grade:Pharmacy Grade

Content:99.90%

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4-Fluorobenzoic Acid-Alpha-13C-2,3,5,6-D4 CAS NO 285977-82-4

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CAS No.:285977-82-4

Grade:Pharmacy Grade

Content:99.90%

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Thiourea-13C-15N2 99 Atom % 13C 98+ A& CAS NO 285977-83-5

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CAS No.:285977-83-5

Grade:Pharmacy Grade

Content:99.90%

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L-Alanine-2-13C-15N CAS NO 285977-86-8

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CAS No.:285977-86-8

Grade:Pharmacy Grade

Content:99.90%

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Cytosine-2,4-13C2-15N3 CAS NO 285978-06-5

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CAS No.:285978-06-5

Grade:Pharmacy Grade

Content:99.90%

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Ctp-13C915N3 Sodium Salt CAS NO 285978-16-7

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CAS No.:285978-16-7

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

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