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 13301–13325 of 16835 results
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Reserpine Solution In Methanol | 100ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartReserpine solution in methanol with concentration 100ug/ml, volume 2ml (cas: 50-55-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Reserpine Standard | 99% | 100mg | Research & Development Standard Material
Add to cartReserpine standard with concentration 99%, volume 100mg (cas: 50-55-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Residual Chlorine Standard Stock Solution (suitable For 5750.11 Drinking Water DPD Spectrophotometry) | 1000mg/L | 20mL | Water Quality Analysis Standard Material
Add to cartResidual chlorine standard stock solution (suitable for 5750.11 drinking water dpd spectrophotometry) with concentration 1000mg/l, volume 20ml ideal for chemical titration and analysis ensuring hig…
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Resorcinol Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartResorcinol solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 108-46-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Resorcinol Solution In Water | 1000ug/mL | 2mL | Water Quality Analysis Standard Material
Add to cartResorcinol solution in water with concentration 1000ug/ml, volume 2ml (cas: 108-46-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Resorcinol Standard | 99.7% | 100mg | Research & Development Standard Material
Add to cartResorcinol standard with concentration 99.7%, volume 100mg (cas: 108-46-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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Reye’s Staining Solution | 0.17% | 250mL | Research & Development Standard Material
Add to cartReye’s staining solution with concentration 0.17%, volume 250ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Rffinose Standard | 99.5% | 100mg | Research & Development Standard Material
Add to cartRffinose standard with concentration 99.5%, volume 100mg (cas: 512-69-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rhenium Element Solution | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartRhenium element solution with concentration 1000ug/ml, volume 50ml (cas: 7440-15-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rhenium Element Solution | 100ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartRhenium element solution with concentration 100ug/ml, volume 50ml (cas: 7440-15-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rhizin Reference Substance | ≥98% | 20mg | Research & Development Standard Material
Add to cartRhizin reference substance with concentration ≥98%, volume 20mg (cas: 60-81-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rhizocin Reference Substance | ≥98% | 20mg | Research & Development Standard Material
Add to cartRhizocin reference substance with concentration ≥98%, volume 20mg (cas: 60-82-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rhodamine B Standard | ≥98%refer to certificate | 10mg | Research & Development Standard Material
Add to cartRhodamine b standard with concentration ≥98%refer to certificate, volume 10mg (cas: 81-88-9) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rhodamine B Standard | 98.5% | 250mg | Research & Development Standard Material
Add to cartRhodamine b standard with concentration 98.5%, volume 250mg (cas: 81-88-9) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rhodium Element Solution | 1000ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartRhodium element solution with concentration 1000ug/ml, volume 100ml (cas: 7440-16-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rhodium Element Solution | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartRhodium element solution with concentration 1000ug/ml, volume 50ml (cas: 7440-16-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rhodium Element Solution | 100ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartRhodium element solution with concentration 100ug/ml, volume 50ml (cas: 7440-16-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rhodium, Indium, Rhenium Mixed Solution | 100ug/mL | 100mL | Environmental Monitoring Standard Material
Add to cartRhodium, indium, rhenium mixed solution with concentration 100ug/ml, volume 100ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Ribavirin -13C5 Isotope Solution In Methanol | 100ug/mL | 1mL | Environmental Monitoring Standard Material
Add to cartRibavirin -13c5 isotope solution in methanol with concentration 100ug/ml, volume 1ml (cas: 1646818-35-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ribavirin Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRibavirin solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 36791-04-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ribavirin Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRibavirin solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 36791-04-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ribavirin Standard | ≥98% | 100mg | Research & Development Standard Material
Add to cartRibavirin standard with concentration ≥98%, volume 100mg (cas: 36791-04-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ribitol (pentapentol, Lateral Calendula Alcohol) Standard | 99.85% | 250mg | Research & Development Standard Material
Add to cartRibitol (pentapentol, lateral calendula alcohol) standard with concentration 99.85%, volume 250mg (cas: 488-81-3) suitable for laboratory analytical applications ensuring high precision and reliabl…
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Ribomycin Sulfate Standard | ≥92%refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartRibomycin sulfate standard with concentration ≥92%refer to certificate, volume 10mg (cas: 53797-35-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rice Fermentation Fungus Acid Standard | 97.5% | 0.1mg | Environmental Monitoring Standard Material
Add to cartRice fermentation fungus acid standard with concentration 97.5%, volume 0.1mg (cas: 11076-19-0) ideal for chemical titration and analysis ensuring high precision and reliable results
