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.

Sodium Nitrate-15N CAS NO 31432-45-8

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CAS No.:31432-45-8

Grade:Pharmacy Grade

Content:99.90%

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Ammonium Nitrate-15N CAS NO 31432-46-9

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CAS No.:31432-46-9

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Content:99.90%

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Chloroform (13C) CAS NO 31717-44-9

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CAS No.:31717-44-9

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Content:99.90%

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Oxygen-18O2 CAS NO 32767-18-3

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CAS No.:32767-18-3

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Content:99.90%

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(8S,14S)-26,27-Dinor-8,14-Secogammacerane-3Α,8,14,21Β-Tetrol CAS NO 33044-79-0

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CAS No.:33044-79-0

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Content:99.90%

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Acetic Acid, Phenyl Ester, Radical Ion(1-) (9Ci) CAS NO 34474-32-3

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CAS No.:34474-32-3

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Content:99.90%

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Benzeneacetonitrile, 4-Nitro-, Radical Ion(1-) (9Ci) CAS NO 34512-13-5

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CAS No.:34512-13-5

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Content:99.90%

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Iron(Ii) Ethylenediammonium Sulfate CAS NO 34962-29-3

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CAS No.:34962-29-3

Grade:Pharmacy Grade

Content:99.90%

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