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 4701–4725 of 16835 results
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Cholesterol Standard | refer to certificate | 0.3g | Environmental Monitoring Standard Material
Add to cartCholesterol standard with concentration refer to certificate, volume 0.3g (cas: 57-88-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cholesteryl Benzoate Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartCholesteryl benzoate standard with concentration refer to certificate, volume 100mg (cas: 604-32-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Cholesteryl caprylate-octanoyl-13C Isotope Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartCholesteryl caprylate-octanoyl-13c isotope standard with concentration refer to certificate, volume 100mg (cas: 110888-06-7) ideal for chemical titration and analysis ensuring high precision and re…
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Cholic Acid Standard | 99.9% | 0.25g | Environmental Monitoring Standard Material
Add to cartCholic acid standard with concentration 99.9%, volume 0.25g (cas: 81-25-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline (47-50% Aqueous Solution) Standard | refer to certificate | 5mL | Environmental Monitoring Standard Material
Add to cartCholine (47-50% aqueous solution) standard with concentration refer to certificate, volume 5ml (cas: 123-41-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Bitartrate Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCholine bitartrate solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 87-67-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Bitartrate Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCholine bitartrate solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 87-67-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Bitartrate Standard | 99.0% | 100mg | Research & Development Standard Material
Add to cartCholine bitartrate standard with concentration 99.0%, volume 100mg (cas: 87-67-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Choline Bitartrate Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartCholine bitartrate standard with concentration refer to certificate, volume 10mg (cas: 87-67-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Chloride Standard | 99% | 250mg | Environmental Monitoring Standard Material
Add to cartCholine chloride standard with concentration 99%, volume 250mg (cas: 67-48-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Chloride-D4 Isotope Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartCholine chloride-d4 isotope solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 285979-70-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline chloride-D4 Isotope Standard | 99.1% | 10mg | Environmental Monitoring Standard Material
Add to cartCholine chloride-d4 isotope standard with concentration 99.1%, volume 10mg (cas: 285979-70-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Oxidase Standard | BR≥10units/mgsolid | 100U | Environmental Monitoring Standard Material
Add to cartCholine oxidase standard with concentration br≥10units/mgsolid, volume 100u (cas: 9028-67-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Solution In Water | 2500ug/mL | 5mL | Water Quality Analysis Standard Material
Add to cartCholine solution in water with concentration 2500ug/ml, volume 5ml (cas: 87-67-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choline Solution In Water | 250ug/mL | 5mL | Water Quality Analysis Standard Material
Add to cartCholine solution in water with concentration 250ug/ml, volume 5ml (cas: 87-67-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Choradazin Standard | 0.981 | 10mg | Environmental Monitoring Standard Material
Add to cartChoradazin standard with concentration 0.981, volume 10mg (cas: 1912-26-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Chrome Azurol S Indicator Fluid | 1.0g/L | 100mL | Biochemical Assays Standard Material
Add to cartChrome azurol s indicator fluid with concentration 1.0g/l, volume 100ml (cas: 1667-99-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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Chrome Black T Indicator | 0.50%(w/v) | 50mL | Biochemical Assays Standard Material
Add to cartChrome black t indicator with concentration 0.50%(w/v), volume 50ml (cas: 1787-61-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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Chromic Acid Mist Solution In Water | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartChromic acid mist solution in water with concentration 1000ug/ml, volume 50ml (cas: 7738-94-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Chromium Element Solution | 1.0ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartChromium element solution with concentration 1.0ug/ml, volume 100ml (cas: 7440-47-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Chromium Element Solution | 10000mg/L | 50mL | Water Quality Analysis Standard Material
Add to cartChromium element solution with concentration 10000mg/l, volume 50ml (cas: 7440-47-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Chromium Element Solution | 1000ug/mL | 100mL | Water Quality Analysis Standard Material
Add to cartChromium element solution with concentration 1000ug/ml, volume 100ml (cas: 7440-47-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Chromium Element Solution | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartChromium element solution with concentration 1000ug/ml, volume 50ml (cas: 7440-47-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Chromium Element Solution | 1000ug/mL | 50mL | Water Quality Analysis Standard Material
Add to cartChromium element solution with concentration 1000ug/ml, volume 50ml (cas: 7440-47-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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Chromium Picolinate Solution In Methanol | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartChromium picolinate solution in methanol with concentration 1000ug/ml, volume 2ml (cas: 14639-25-9) ideal for chemical titration and analysis ensuring high precision and reliable results
