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 12451–12475 of 16835 results
-
Propyl Propionate Standard | 99.9% | 1g | Research & Development Standard Material
Add to cartPropyl propionate standard with concentration 99.9%, volume 1g (cas: 106-36-5) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propyl Propionate Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cartPropyl propionate standard with concentration 99.90%, volume 100mg (cas: 106-36-5) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propylene Alcohol Solution In Methanol/dichloromethane | 4000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartPropylene alcohol solution in methanol/dichloromethane with concentration 4000ug/ml, volume 2ml (cas: 107-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Propylene Alcohol Solution In Water | 1000ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartPropylene alcohol solution in water with concentration 1000ug/ml, volume 1.2ml (cas: 107-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Propylene Alcohol Solution In Water | 10mg/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartPropylene alcohol solution in water with concentration 10mg/ml, volume 1.2ml (cas: 107-18-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Propylene Glucosinolate Standard | 100% | 100mg | Research & Development Standard Material
Add to cartPropylene glucosinolate standard with concentration 100%, volume 100mg (cas: 3952-98-5) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propylene Glycol Methyl Ether Acetate Standard | 99.7% | 100mg | Research & Development Standard Material
Add to cartPropylene glycol methyl ether acetate standard with concentration 99.7%, volume 100mg (cas: 108-65-6) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propylene Glycol Monomethyl Ether Standard | 99.5% | 5mL | Research & Development Standard Material
Add to cartPropylene glycol monomethyl ether standard with concentration 99.5%, volume 5ml (cas: 107-98-2) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propylene Oxide Solution In N,N-Dimethylformamide | 1mg/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartPropylene oxide solution in n,n-dimethylformamide with concentration 1mg/ml, volume 1.2ml (cas: 75-56-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Propylene Oxide Standard | 99.97% | 5mL | Research & Development Standard Material
Add to cartPropylene oxide standard with concentration 99.97%, volume 5ml (cas: 75-56-9) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propylene Sulfide Standard | ≥99%refer to certificate | 100mg | Research & Development Standard Material
Add to cartPropylene sulfide standard with concentration ≥99%refer to certificate, volume 100mg (cas: 1072-43-1) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propylthiocarbfuran Solution In Acetone | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartPropylthiocarbfuran solution in acetone with concentration 100ug/ml, volume 1.2ml (cas: 82560-54-1) ideal for chemical titration and analysis ensuring high precision and reliable results
-
Propylthiopol Solution In Toluene | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartPropylthiopol solution in toluene with concentration 100ug/ml, volume 1.2ml (cas: 3244-90-4) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propyne Flueperamide Standard | 98.70% | 10mg | Research & Development Standard Material
Add to cartPropyne flueperamide standard with concentration 98.70%, volume 10mg (cas: 103361-09-7) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propyne Oxalazone Standard | 98.60% | 100mg | Research & Development Standard Material
Add to cartPropyne oxalazone standard with concentration 98.60%, volume 100mg (cas: 39807-15-3) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Propyne Oxalazone Standard | 99.40% | 10mg | Research & Development Standard Material
Add to cartPropyne oxalazone standard with concentration 99.40%, volume 10mg (cas: 39807-15-3) suitable for laboratory analytical applications ensuring high precision and reliable results
-
Protein Chromogenic Reagent | | 100mL | Biochemical Assays Standard Material
Add to cartProtein chromogenic reagent with concentration specification: 100ml, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
-
Protein Detection Reagent In Food (Kjeldahl Method) | 6 components | 6 bottle/set | Biochemical Assays Standard Material
Add to cartProtein detection reagent in food (kjeldahl method) with concentration 6 components, volume 6 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable results
-
Protein Precipitating Agent | 2 components | 100mL*2 | Environmental Monitoring Standard Material
Add to cartProtein precipitating agent with concentration 2 components, volume 100ml*2 ideal for chemical titration and analysis ensuring high precision and reliable results
-
Protein Quality Control Sample In Milk Powder | 21.88 g/100g | 30g | Environmental Monitoring Standard Material
Add to cartProtein quality control sample in milk powder with concentration 21.88 g/100g, volume 30g ideal for chemical titration and analysis ensuring high precision and reliable results
-
Protein Quality Control Sample In Milk Powder | 33.61 g/100g | 30g/bottle | Environmental Monitoring Standard Material
Add to cartProtein quality control sample in milk powder with concentration 33.61 g/100g, volume 30g/bottle ideal for chemical titration and analysis ensuring high precision and reliable results
-
Protein Quality Control Samples In Breakfast Cereal Oatmeal | 12.06g/100g | 25g/bottle | Environmental Monitoring Standard Material
Add to cartProtein quality control samples in breakfast cereal oatmeal with concentration 12.06g/100g, volume 25g/bottle ideal for chemical titration and analysis ensuring high precision and reliable results
-
Protein Quality Control Samples In Meat Products | 5.73g/100g | 30g | Environmental Monitoring Standard Material
Add to cartProtein quality control samples in meat products with concentration 5.73g/100g, volume 30g ideal for chemical titration and analysis ensuring high precision and reliable results
-
Protein Quality Control Samples In Soybean Powder | 18.41 g/100g | 50g | Environmental Monitoring Standard Material
Add to cartProtein quality control samples in soybean powder with concentration 18.41 g/100g, volume 50g ideal for chemical titration and analysis ensuring high precision and reliable results
-
Protein Quality Control Samples In Wheat Flour | 10.14 g/100g | 50g | Environmental Monitoring Standard Material
Add to cartProtein quality control samples in wheat flour with concentration 10.14 g/100g, volume 50g ideal for chemical titration and analysis ensuring high precision and reliable results

