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 12476–12500 of 16835 results
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Proteinase K Standard | ≥40units/mg | 100mg | Environmental Monitoring Standard Material
Add to cartProteinase k standard with concentration ≥40units/mg, volume 100mg (cas: 39450-01-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Prothioconazole Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartProthioconazole solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 178928-70-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Prothioconazole Standard | 99.0% | 100mg | Research & Development Standard Material
Add to cartProthioconazole standard with concentration 99.0%, volume 100mg (cas: 178928-70-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Provalerolactone Standard | 99.80% | 100mg | Research & Development Standard Material
Add to cartProvalerolactone standard with concentration 99.80%, volume 100mg (cas: 108-29-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Pseudo Vardenafil Standard | refer to certificate | 5mg | Environmental Monitoring Standard Material
Add to cartPseudo vardenafil standard with concentration refer to certificate, volume 5mg (cas: 224788-34-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Pseudo-ionone Standard | 94.30% | 100mg | Research & Development Standard Material
Add to cartPseudo-ionone standard with concentration 94.30%, volume 100mg (cas: 141-10-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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Pseudo-Vardenafil Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartPseudo-vardenafil solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 224788-34-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Puerarin Reference Substance | ≥98% | 20mg | Research & Development Standard Material
Add to cartPuerarin reference substance with concentration ≥98%, volume 20mg (cas: 3681-99-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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Pullulanase Standard | 2000u/g | 10mL | Environmental Monitoring Standard Material
Add to cartPullulanase standard with concentration 2000u/g, volume 10ml (cas: 9075-68-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Purified Water Detection Reagent (easy Oxidation) | 2 components | 2 bottle/set | Biochemical Assays Standard Material
Add to cartPurified water detection reagent (easy oxidation) with concentration 2 components, volume 2 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable results
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Purified Water Detection Reagent (heavy Metal) | 4 components | 4 bottle/set | Biochemical Assays Standard Material
Add to cartPurified water detection reagent (heavy metal) with concentration 4 components, volume 4 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable results
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Purified Water Detection Reagent (nitrate) | 4 components | 5 bottle/set | Biochemical Assays Standard Material
Add to cartPurified water detection reagent (nitrate) with concentration 4 components, volume 5 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable results
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Purified Water Detection Reagent (nitrite) | 4 components | 4 bottle/set | Biochemical Assays Standard Material
Add to cartPurified water detection reagent (nitrite) with concentration 4 components, volume 4 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable results
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Purified Water Detection Reagent (total Organic Carbon) | 3 components | 3 bottle/set | Biochemical Assays Standard Material
Add to cartPurified water detection reagent (total organic carbon) with concentration 3 components, volume 3 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable res…
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Purified Water Testing Reagents (pH, Nitrate, Nitrite, Ammonia, Easy Oxides, Heavy Metals) | 21 components | 21bottles/set | Biochemical Assays Standard Material
Add to cartPurified water testing reagents (ph, nitrate, nitrite, ammonia, easy oxides, heavy metals) with concentration 21 components, volume 21bottles/set suitable for laboratory analytical applications ens…
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Purity Standard Sample Of Caozhiling (Caozhiling Ethyl Ester) | 99.6% | 0.25g | Research & Development Standard Material
Add to cartPurity standard sample of caozhiling (caozhiling ethyl ester) with concentration 99.6%, volume 0.25g (cas: 25059-80-7) suitable for laboratory analytical applications ensuring high precision and re…
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Purple Bile Salt Glucose Agar Medium | 8 components | 41.53g | Environmental Monitoring Standard Material
Add to cartPurple bile salt glucose agar medium with concentration 8 components, volume 41.53g ideal for chemical titration and analysis ensuring high precision and reliable results
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Putrescine Hydrochloride (1,4-butanediamine Dihydrochloride) Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartPutrescine hydrochloride (1,4-butanediamine dihydrochloride) standard with concentration refer to certificate, volume 100mg (cas: 333-93-7) ideal for chemical titration and analysis ensuring high p…
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Putrescine Hydrochloride (1,4-butanediamine Dihydrochloride) Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartPutrescine hydrochloride (1,4-butanediamine dihydrochloride) standard with concentration refer to certificate, volume 10mg (cas: 333-93-7) ideal for chemical titration and analysis ensuring high pr…
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Putrescine Hydrochloride (based On Putrescine) Solution In Water | 1000ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartPutrescine hydrochloride (based on putrescine) solution in water with concentration 1000ug/ml, volume 1.2ml (cas: 333-93-7) ideal for chemical titration and analysis ensuring high precision and rel…
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Pyamyl Phosphate Solution In Acetone | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartPyamyl phosphate solution in acetone with concentration 100ug/ml, volume 1.2ml (cas: 13457-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Pymetrozine Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartPymetrozine solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 123312-89-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Pymetrozine Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartPymetrozine solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 123312-89-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Pymetrozine Standard | 97.5% | 10mg | Research & Development Standard Material
Add to cartPymetrozine standard with concentration 97.5%, volume 10mg (cas: 123312-89-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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Pymetrozine Standard | 98.30% | 100mg | Research & Development Standard Material
Add to cartPymetrozine standard with concentration 98.30%, volume 100mg (cas: 123312-89-0) suitable for laboratory analytical applications ensuring high precision and reliable results
