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 8176–8200 of 16835 results
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Ketone Red Dinar Non-standard | 99.40% | 5mg | Research & Development Standard Material
Add to cartKetone red dinar non-standard with concentration 99.40%, volume 5mg (cas: 1446144-70-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ketoprofen Standard | 99.70% | 100mg | Research & Development Standard Material
Add to cartKetoprofen standard with concentration 99.70%, volume 100mg (cas: 22071-15-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ketoprofen Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cartKetoprofen standard with concentration 99.90%, volume 10mg (cas: 22071-15-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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Kill Grass Strong Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cartKill grass strong standard with concentration 99.90%, volume 100mg (cas: 61-82-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Kill Linwei Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartKill linwei solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 23135-22-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Kitasamycin Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartKitasamycin solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 1392-21-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Kjeldahl Nitrogen Solution In Water | 1000ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartKjeldahl nitrogen solution in water with concentration 1000ug/ml, volume 20ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Kjeldahl Nitrogen Solution In Water | 100ug/mL | 20mL | Water Quality Analysis Standard Material
Add to cartKjeldahl nitrogen solution in water with concentration 100ug/ml, volume 20ml (cas: 12125-02-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Kjeldahl Reagent (4%(w/v) Boric Acid Solution) | 4%w/v | 500mL | Biochemical Assays Standard Material
Add to cartKjeldahl reagent (4%(w/v) boric acid solution) with concentration 4%w/v, volume 500ml (cas: 10043-35-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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Kjeldahl Reagent 10%(w/v) Solution | 10%(w/v) | 500mL | Biochemical Assays Standard Material
Add to cartKjeldahl reagent 10%(w/v) solution with concentration 10%(w/v), volume 500ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Kojic Acid Standard | 99.9% | 100mg | Environmental Monitoring Standard Material
Add to cartKojic acid standard with concentration 99.9%, volume 100mg (cas: 501-30-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Kongpathrin-D5 (lambda-cyhalothrin-D5) Isotope Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartKongpathrin-d5 (lambda-cyhalothrin-d5) isotope standard with concentration refer to certificate, volume 10mg ideal for chemical titration and analysis ensuring high precision and reliable results
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Kovacs Indigo Matrix Kit | 2 components | 5mL*2 | Environmental Monitoring Standard Material
Add to cartKovacs indigo matrix kit with concentration 2 components, volume 5ml*2 ideal for chemical titration and analysis ensuring high precision and reliable results
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Kynurenoic Acid Standard | 86.60% | 100mg | Environmental Monitoring Standard Material
Add to cartKynurenoic acid standard with concentration 86.60%, volume 100mg (cas: 492-27-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-(-)-Lactide Standard | 99.1% | 100mg | Research & Development Standard Material
Add to cartL-(-)-lactide standard with concentration 99.1%, volume 100mg (cas: 4511-42-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-(-)-Lactide Standard | 99.1% | 250mg | Research & Development Standard Material
Add to cartL-(-)-lactide standard with concentration 99.1%, volume 250mg (cas: 4511-42-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-(-)-Mannose Standard | 99.8% | 100mg | Research & Development Standard Material
Add to cartL-(-)-mannose standard with concentration 99.8%, volume 100mg (cas: 10030-80-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-(-)-Sorbose Standard | 99.80% | 5g | Research & Development Standard Material
Add to cartL-(-)-sorbose standard with concentration 99.80%, volume 5g (cas: 87-79-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-(+)-arabinose Standard | 98.1% | 100mg | Research & Development Standard Material
Add to cartL-(+)-arabinose standard with concentration 98.1%, volume 100mg (cas: 5328-37-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-(+)-arabinose Standard | 99.90% | 1g | Research & Development Standard Material
Add to cartL-(+)-arabinose standard with concentration 99.90%, volume 1g (cas: 5328-37-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-(+)-Asparagine Acid Standard | 97.8% | 100mg | Environmental Monitoring Standard Material
Add to cartL-(+)-asparagine acid standard with concentration 97.8%, volume 100mg (cas: 70-47-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-(+)-Asparagine Acid Standard | 97.8% | 10mg | Environmental Monitoring Standard Material
Add to cartL-(+)-asparagine acid standard with concentration 97.8%, volume 10mg (cas: 70-47-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-(+)-Lysine Monohydrochloride Standard | 99.8% | 100mg | Environmental Monitoring Standard Material
Add to cartL-(+)-lysine monohydrochloride standard with concentration 99.8%, volume 100mg (cas: 657-27-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-(+)-Tartaric Acid Standard | 99.1% | 250mg | Environmental Monitoring Standard Material
Add to cartL-(+)-tartaric acid standard with concentration 99.1%, volume 250mg (cas: 87-69-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-(+)-Tartaric Acid Standard | 99.3% | 100mg | Environmental Monitoring Standard Material
Add to cartL-(+)-tartaric acid standard with concentration 99.3%, volume 100mg (cas: 87-69-4) ideal for chemical titration and analysis ensuring high precision and reliable results
