Chemical Standards

Chemical Standards

Chemical standards are high-purity compounds used as calibration materials, assay references, and quality-control benchmarks in chemical and industrial laboratories. They include organic molecules, inorganic salts, elemental standards, acidity/basicity calibrants, and specialized compounds for method validation. Their well-defined composition ensures accuracy in quantitative analysis, while traceability to certified reference materials supports regulatory compliance. Chemical standards are essential in pharmaceuticals, petrochemicals, environmental testing, metallurgy, polymer research, and academic chemistry. Their quality is assured through rigorous characterization, including chromatographic purity profiling, elemental analysis, isotopic verification, and long-term stability studies. These standards establish measurement reliability and comparability across scientific and industrial sectors.

Semiquinone Radicals CAS NO 3225-29-4

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CAS No.:3225-29-4

Grade:Pharmacy Grade

Content:99.90%

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3-Hydroxymethylcholanthrene CAS NO 3343-05-3

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CAS No.:3343-05-3

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Content:99.90%

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Nitro-15N-Benzene CAS NO 3681-79-6

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CAS No.:3681-79-6

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Content:99.90%

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Ethyl Viologen-D8 Dichloride CAS NO 3688-18-4

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CAS No.:3688-18-4

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Content:99.90%

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(22E)-Stigmasta-5,22-Dien-3Β-Ol Trifluoroacetate CAS NO 3870-50-6

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CAS No.:3870-50-6

Grade:Pharmacy Grade

Content:99.90%

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Perfluorohexanesulfonic Acid Potassium Salt CAS NO 3871-99-6

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CAS No.:3871-99-6

Grade:Pharmacy Grade

Content:99.90%

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Triphenyl(Methanol-13C) CAS NO 3881-15-0

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CAS No.:3881-15-0

Grade:Pharmacy Grade

Content:99.90%

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2-Benzimidazoleacetic Acid, .Alpha.-Butyl-, Ethyl Ester, Picrate CAS NO 3906-90-9

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CAS No.:3906-90-9

Grade:Pharmacy Grade

Content:99.90%

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