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 2076–2100 of 16835 results
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5-tert-butyl M-xylene Standard | 99.70% | 10mg | Environmental Monitoring Standard Material
Add to cart5-tert-butyl m-xylene standard with concentration 99.70%, volume 10mg (cas: 98-19-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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5,5 ‘-Dithiobis (2-nitrobenzoic acid)/Standard For Determination Of Sulfhydryl Groups | 98.90% | 10mg | Environmental Monitoring Standard Material
Add to cart5,5 ‘-dithiobis (2-nitrobenzoic acid)/standard for determination of sulfhydryl groups with concentration 98.90%, volume 10mg (cas: 69-78-3) ideal for chemical titration and analysis ensuring high p…
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5,5-Dimethyl -2,4-Oxazolidinedione Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cart5,5-dimethyl -2,4-oxazolidinedione standard with concentration 99.90%, volume 100mg (cas: 695-53-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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5,5-Dimethyl Hytoin Standard | 99.60% | 100mg | Research & Development Standard Material
Add to cart5,5-dimethyl hytoin standard with concentration 99.60%, volume 100mg (cas: 77-71-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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5,5-Dimethyl-1-pyrroline-N-Oxide Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cart5,5-dimethyl-1-pyrroline-n-oxide standard with concentration refer to certificate, volume 100mg (cas: 3317-61-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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5,5-Diphenylhydantoin Sodium Salt Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cart5,5-diphenylhydantoin sodium salt standard with concentration 99.90%, volume 100mg (cas: 630-93-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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5,5-Diphenylhydantoin Sodium Salt Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cart5,5-diphenylhydantoin sodium salt standard with concentration 99.90%, volume 10mg (cas: 630-93-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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5,6,7,8-tetrahydroquinoline Standard | 99.5% | 500mg | Research & Development Standard Material
Add to cart5,6,7,8-tetrahydroquinoline standard with concentration 99.5%, volume 500mg (cas: 10500-57-9) suitable for laboratory analytical applications ensuring high precision and reliable results
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50 X TAE Buffer | pH 8.0 | 500mL | Biochemical Assays Standard Material
Add to cart50 x tae buffer with concentration ph 8.0, volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
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50% Egg Yolk Emulsion | 50% | 5mL*10 pc | Research & Development Standard Material
Add to cart50% egg yolk emulsion with concentration 50%, volume 5ml*10 pc suitable for laboratory analytical applications ensuring high precision and reliable results
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50um Drinking Water Counting Quality Control Sample | 500/mL | 500mL | Water Quality Analysis Standard Material
Add to cart50um drinking water counting quality control sample with concentration 500/ml, volume 500ml ideal for chemical titration and analysis ensuring high precision and reliable results
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50um Latex Particle | 500-1000 grain/mL | 100mL | Environmental Monitoring Standard Material
Add to cart50um latex particle with concentration 500-1000 grain/ml, volume 100ml ideal for chemical titration and analysis ensuring high precision and reliable results
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5alpha-Cholestane Standard | 99.3% | 100mg | Research & Development Standard Material
Add to cart5alpha-cholestane standard with concentration 99.3%, volume 100mg (cas: 481-21-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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5um Drinking Water Counting Quality Control Sample | 1000/mL | 500mL | Water Quality Analysis Standard Material
Add to cart5um drinking water counting quality control sample with concentration 1000/ml, volume 500ml ideal for chemical titration and analysis ensuring high precision and reliable results
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5um Latex Particle Standard Material | 3 components | 100mL | Environmental Monitoring Standard Material
Add to cart5um latex particle standard material with concentration 3 components, volume 100ml ideal for chemical titration and analysis ensuring high precision and reliable results
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5um Water-based Particle Counting Reference Material | 5000 grain/mL | 150mL | Water Quality Analysis Standard Material
Add to cart5um water-based particle counting reference material with concentration 5000 grain/ml, volume 150ml ideal for chemical titration and analysis ensuring high precision and reliable results
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6 Elements Mixed Solution (bismuth, Germanium, Indium, Lithium, Scandium, Yttrium) | 100ug/mL | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (bismuth, germanium, indium, lithium, scandium, yttrium) with concentration 100ug/ml, volume 100ml suitable for laboratory analytical applications ensuring high precision …
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6 Elements Mixed Solution (bismuth, Germanium, Indium, Lithium, Scandium, Yttrium) | 10ug/mL | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (bismuth, germanium, indium, lithium, scandium, yttrium) with concentration 10ug/ml, volume 100ml suitable for laboratory analytical applications ensuring high precision a…
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6 Elements Mixed Solution (bismuth, Scandium, Rhenium, Rhodium, Indium, Germanium) | 6 components | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (bismuth, scandium, rhenium, rhodium, indium, germanium) with concentration 6 components, volume 100ml suitable for laboratory analytical applications ensuring high precis…
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6 Elements Mixed Solution (chromium, Copper, Nickel, Lead, Cadmium, Zinc) | 100ug/mL | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (chromium, copper, nickel, lead, cadmium, zinc) with concentration 100ug/ml, volume 100ml suitable for laboratory analytical applications ensuring high precision and relia…
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6 Elements Mixed Solution (copper, Lead, Zinc, Cadmium, Iron, Manganese) | 1000ug/mL | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (copper, lead, zinc, cadmium, iron, manganese) with concentration 1000ug/ml, volume 100ml suitable for laboratory analytical applications ensuring high precision and relia…
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6 Elements Mixed Solution (iron, Manganese, Copper, Zinc, Calcium, Magnesium) | 6 components | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (iron, manganese, copper, zinc, calcium, magnesium) with concentration 6 components, volume 100ml suitable for laboratory analytical applications ensuring high precision a…
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6 Elements Mixed Solution (lithium, Cobalt, Indium, Barium, Cerium, Uranium) | 10ug/mL | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (lithium, cobalt, indium, barium, cerium, uranium) with concentration 10ug/ml, volume 100ml suitable for laboratory analytical applications ensuring high precision and rel…
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6 Elements Mixed Solution (scandium, Germanium, Rhodium, Indium, Rhenium, Bismuth) | 10ug/mL | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (scandium, germanium, rhodium, indium, rhenium, bismuth) with concentration 10ug/ml, volume 100ml suitable for laboratory analytical applications ensuring high precision a…
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6 Elements Mixed Solution (zinc, Cadmium, Chromium, Copper, Lead, Nickel) | 1000ug/mL | 100mL | Soil & Agriculture Testing Standard Material
Add to cart6 elements mixed solution (zinc, cadmium, chromium, copper, lead, nickel) with concentration 1000ug/ml, volume 100ml suitable for laboratory analytical applications ensuring high precision and reli…
