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 13351–13375 of 16835 results
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RJW-400 Total Nitrogen On-line Monitoring Reagent (resorcinol Method) | 5 components | 5pcs/set | Biochemical Assays Standard Material
Add to cartRjw-400 total nitrogen on-line monitoring reagent (resorcinol method) with concentration 5 components, volume 5pcs/set suitable for laboratory analytical applications ensuring high precision and re…
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Rodinafocarbonate Standard | ≥99%refer to certificate | 1mg | Research & Development Standard Material
Add to cartRodinafocarbonate standard with concentration ≥99%refer to certificate, volume 1mg (cas: 398507-55-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rofecoxib Standard | 99.68% | 10mg | Research & Development Standard Material
Add to cartRofecoxib standard with concentration 99.68%, volume 10mg (cas: 162011-90-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ropivacaine Standard | ≥99%refer to certificate | 10mg | Research & Development Standard Material
Add to cartRopivacaine standard with concentration ≥99%refer to certificate, volume 10mg (cas: 84057-95-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rose Ether (cis-trans Mixture) Standard | 97.90% | 100mg | Research & Development Standard Material
Add to cartRose ether (cis-trans mixture) standard with concentration 97.90%, volume 100mg (cas: 16409-43-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rose Red Sodium Agar Medium | 6 components | 30.51g | Environmental Monitoring Standard Material
Add to cartRose red sodium agar medium with concentration 6 components, volume 30.51g ideal for chemical titration and analysis ensuring high precision and reliable results
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Rose Tricarboxylic Acid Ammonium Solution | 0.5g/L | 100mL | Environmental Monitoring Standard Material
Add to cartRose tricarboxylic acid ammonium solution with concentration 0.5g/l, volume 100ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Rosiglitazone Maleate Standard | 99.80% | 10mg | Research & Development Standard Material
Add to cartRosiglitazone maleate standard with concentration 99.80%, volume 10mg (cas: 155141-29-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rosiglitazone Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRosiglitazone solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 122320-73-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rosiglitazone Standard | ≥98%refer to certificate | 100mg | Research & Development Standard Material
Add to cartRosiglitazone standard with concentration ≥98%refer to certificate, volume 100mg (cas: 122320-73-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rosiglitazone Standard | ≥98%refer to certificate | 10mg | Research & Development Standard Material
Add to cartRosiglitazone standard with concentration ≥98%refer to certificate, volume 10mg (cas: 122320-73-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rosin Acid Standard | 85.2% | 1g | Environmental Monitoring Standard Material
Add to cartRosin acid standard with concentration 85.2%, volume 1g (cas: 514-10-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rosmarinic Acid Reference | ≥98% | 20mg | Environmental Monitoring Standard Material
Add to cartRosmarinic acid reference with concentration ≥98%, volume 20mg (cas: 20283-92-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rosuvastatin Calcium Standard | 99.20% | 100mg | Research & Development Standard Material
Add to cartRosuvastatin calcium standard with concentration 99.20%, volume 100mg (cas: 147098-20-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rotong Standard | ≥99%refer to certificate | 10mg | Research & Development Standard Material
Add to cartRotong standard with concentration ≥99%refer to certificate, volume 10mg (cas: 2934-97-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rotonidine Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRotonidine solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 2934-97-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Roxithromycin Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRoxithromycin solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 80214-83-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Roxithromycin Standard | 98.0% | 100mg | Research & Development Standard Material
Add to cartRoxithromycin standard with concentration 98.0%, volume 100mg (cas: 80214-83-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Roxithromycin-D7 Isotope Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRoxithromycin-d7 isotope solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 2095110-69-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rubber Grain Visible Foreign Matter Standard Material | 2 components | 2mL/10mL | Environmental Monitoring Standard Material
Add to cartRubber grain visible foreign matter standard material with concentration 2 components, volume 2ml/10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Rubber Grain Visible Foreign Matter Standard Material | 2 components | 2mL/10mL | Environmental Monitoring Standard Material
Add to cartRubber grain visible foreign matter standard material with concentration 2 components, volume 2ml/10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Rubber Grain Visible Foreign Matter Standard Material | 2 components | 2mL/10mL | Environmental Monitoring Standard Material
Add to cartRubber grain visible foreign matter standard material with concentration 2 components, volume 2ml/10ml ideal for chemical titration and analysis ensuring high precision and reliable results
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Rubidium Element Solution | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartRubidium element solution with concentration 1000ug/ml, volume 50ml (cas: 7440-17-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rubidium Element Solution | 100ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartRubidium element solution with concentration 100ug/ml, volume 50ml (cas: 7440-17-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rust-destroying Amine Standard | 99.8% | 10mg | Research & Development Standard Material
Add to cartRust-destroying amine standard with concentration 99.8%, volume 10mg (cas: 55814-41-0) suitable for laboratory analytical applications ensuring high precision and reliable results
