We supply a full range of high-purity and certified standard substances for scientific research, industrial quality control and routine laboratory analysis. Our product portfolio includes elemental standards, buffer solutions, titration solutions, organic reference materials, VOCs standards, indicators and testing reagents. All standard substances are strictly calibrated, with traceable values, stable batch consistency and complete certification documents. Widely applied in pharmaceutical, food, environmental, water quality, soil, agricultural and biochemical testing fields. We provide reliable reference materials to ensure accurate, repeatable and compliant experimental results for global laboratories and manufacturers.
Standard substance
Showing 1926–1950 of 16835 results
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4,4 ‘-Dibrominated Diphenyl Ether Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-dibrominated diphenyl ether standard with concentration 99.9%, volume 100mg (cas: 2050-47-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dibromobenzophenone Standard | 97.4% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-dibromobenzophenone standard with concentration 97.4%, volume 10mg (cas: 3988-03-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dibromobenzophenone Standard | 98.5% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-dibromobenzophenone standard with concentration 98.5%, volume 100mg (cas: 3988-03-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dibromobenzophenone Standard | 99.7% | 250mg | Research & Development Standard Material
Add to cart4,4 ‘-dibromobenzophenone standard with concentration 99.7%, volume 250mg (cas: 3988-03-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-dibromooctafluorobiphenyl Solution In Cyclohexane | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-dibromooctafluorobiphenyl solution in cyclohexane with concentration 100ug/ml, volume 1.2ml (cas: 10386-84-2) ideal for chemical titration and analysis ensuring high precision and reliable re…
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4,4 ‘-dibromooctafluorobiphenyl Solution In Toluene | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-dibromooctafluorobiphenyl solution in toluene with concentration 100ug/ml, volume 1.2ml (cas: 10386-84-2) suitable for laboratory analytical applications ensuring high precision and reliable …
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4,4 ‘-Dibromooctafluorobiphenyl Standard | 97.8% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-dibromooctafluorobiphenyl standard with concentration 97.8%, volume 100mg (cas: 10386-84-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dibromooctafluorobiphenyl Standard | 99.1% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-dibromooctafluorobiphenyl standard with concentration 99.1%, volume 10mg (cas: 10386-84-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dichlorobenzophenone Solution In Methanol Standard Material | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-dichlorobenzophenone solution in methanol standard material with concentration 1000ug/ml, volume 1.2ml (cas: 90-98-2) ideal for chemical titration and analysis ensuring high precision and rel…
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4,4 ‘-Dichlorobenzophenone Standard | 99.9% | 250mg | Research & Development Standard Material
Add to cart4,4 ‘-dichlorobenzophenone standard with concentration 99.9%, volume 250mg (cas: 90-98-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Didi Yi-13C12 Isotope Solution In Nonane | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-didi yi-13c12 isotope solution in nonane with concentration 100ug/ml, volume 1.2ml (cas: 201612-50-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4 ‘-Didi Yi-13C12 Isotope Solution In Nonane | 10ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-didi yi-13c12 isotope solution in nonane with concentration 10ug/ml, volume 1.2ml (cas: 201612-50-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4 ‘-Didi Yi-13C12 Isotope Solution In Nonane | 1ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-didi yi-13c12 isotope solution in nonane with concentration 1ug/ml, volume 1.2ml (cas: 201612-50-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4 ‘-Difluorobiphenyl Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-difluorobiphenyl standard with concentration 99.9%, volume 100mg (cas: 398-23-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dihydroxybenzophenone Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-dihydroxybenzophenone standard with concentration 99.9%, volume 100mg (cas: 611-99-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dihydroxybenzophenone Standard | 99.9% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-dihydroxybenzophenone standard with concentration 99.9%, volume 10mg (cas: 611-99-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dihydroxybiphenyl Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-dihydroxybiphenyl standard with concentration 99.9%, volume 100mg (cas: 92-88-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dihydroxybiphenyl Standard | 99.9% | 250mg | Research & Development Standard Material
Add to cart4,4 ‘-dihydroxybiphenyl standard with concentration 99.9%, volume 250mg (cas: 92-88-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dihydroxydiphenylmethane Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-dihydroxydiphenylmethane standard with concentration 99.9%, volume 100mg (cas: 620-92-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dihydroxydiphenylmethane Standard | 99.9% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-dihydroxydiphenylmethane standard with concentration 99.9%, volume 10mg (cas: 620-92-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Diisocyanato-3, 3’-Dimethylbiphenyl Standard | 96.1% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-diisocyanato-3, 3’-dimethylbiphenyl standard with concentration 96.1%, volume 100mg (cas: 91-97-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-dinitrodiphenylurea Solution In N,N-dimethylformamide | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-dinitrodiphenylurea solution in n,n-dimethylformamide with concentration 1000ug/ml, volume 1.2ml (cas: 587-90-6) ideal for chemical titration and analysis ensuring high precision and reliable…
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4,4 ‘-Dinitrodiphenylurea Standard | 99.0% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-dinitrodiphenylurea standard with concentration 99.0%, volume 100mg (cas: 587-90-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dinitrodiphenylurea Standard | 99.1% | 250mg | Research & Development Standard Material
Add to cart4,4 ‘-dinitrodiphenylurea standard with concentration 99.1%, volume 250mg (cas: 587-90-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Dinitrodiphenylurea Standard | 99.7% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-dinitrodiphenylurea standard with concentration 99.7%, volume 10mg (cas: 587-90-6) suitable for laboratory analytical applications ensuring high precision and reliable results

