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 6351–6375 of 16835 results
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Erythrosine B Standard | refer to certificate | 250mg | Environmental Monitoring Standard Material
Add to cartErythrosine b standard with concentration refer to certificate, volume 250mg (cas: 16423-68-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Erythrosine Solution In Water | 1000ug/mL | 5mL | Water Quality Analysis Standard Material
Add to cartErythrosine solution in water with concentration 1000ug/ml, volume 5ml (cas: 568-63-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Erythrosine Solution In Water | 100ug/mL | 5mL | Water Quality Analysis Standard Material
Add to cartErythrosine solution in water with concentration 100ug/ml, volume 5ml (cas: 16423-68-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Erythrosine Solution In Water | 500ug/mL | 5mL | Water Quality Analysis Standard Material
Add to cartErythrosine solution in water with concentration 500ug/ml, volume 5ml (cas: 16423-68-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Erythrosine Standard | 85% | 100mg | Research & Development Standard Material
Add to cartErythrosine standard with concentration 85%, volume 100mg (cas: 568-63-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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Erythrosine Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartErythrosine standard with concentration refer to certificate, volume 10mg (cas: 568-63-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Escitalopram (escitalopram) Standard | ≥98% | 50mg | Research & Development Standard Material
Add to cartEscitalopram (escitalopram) standard with concentration ≥98%, volume 50mg (cas: 128196-01-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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ESTOSTERONE STANDARD | 99.10% | 10mg | Research & Development Standard Material
Add to cartEstosterone standard with concentration 99.10%, volume 10mg (cas: 481-30-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Estradiol (17beta-Estradiol) Standard | 98.5% | 250mg | Research & Development Standard Material
Add to cartEstradiol (17beta-estradiol) standard with concentration 98.5%, volume 250mg (cas: 50-28-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Estradiol Solution In Methanol | 102ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartEstradiol solution in methanol with concentration 102ug/ml, volume 1.2ml (cas: 50-28-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Estriol Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartEstriol solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 50-27-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Estriol Solution In Methanol Standard Material | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartEstriol solution in methanol standard material with concentration 100ug/ml, volume 1.2ml (cas: 50-27-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Estriol Standard | 98.7% | 100mg | Research & Development Standard Material
Add to cartEstriol standard with concentration 98.7%, volume 100mg (cas: 50-27-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Estriol-D3 Isotope Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartEstriol-d3 isotope solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 79037-36-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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Estrone Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartEstrone solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 53-16-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Estrone Standard | 98.9% | 100mg | Research & Development Standard Material
Add to cartEstrone standard with concentration 98.9%, volume 100mg (cas: 53-16-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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estrone-D2 Isotope Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartEstrone-d2 isotope solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 350820-16-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ethambutol Hydrochloride Standard | 99.90% | 100mg | Environmental Monitoring Standard Material
Add to cartEthambutol hydrochloride standard with concentration 99.90%, volume 100mg (cas: 1070-11-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ethanethiol Solution In Dichloromethane | 100ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartEthanethiol solution in dichloromethane with concentration 100ug/ml, volume 2ml (cas: 75-08-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ethanethiol Solution In Toluene | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartEthanethiol solution in toluene with concentration 1000ug/ml, volume 1.2ml (cas: 75-08-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ethanethiol Standard | 99.65%(GC) | 100mg | Research & Development Standard Material
Add to cartEthanethiol standard with concentration 99.65%(gc), volume 100mg (cas: 75-08-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ethanethiol Standard | refer to certificate | 500mg | Environmental Monitoring Standard Material
Add to cartEthanethiol standard with concentration refer to certificate, volume 500mg (cas: 75-08-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ethanol (fat-free) Solution | 40% | 500mL | Research & Development Standard Material
Add to cartEthanol (fat-free) solution with concentration 40%, volume 500ml (cas: 64-17-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ethanol Diethyl Azelate Solution | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartEthanol diethyl azelate solution with concentration 1000ug/ml, volume 2ml (cas: 624-17-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ethanol Diethyl Heptanoate Solution | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartEthanol diethyl heptanoate solution with concentration 1000ug/ml, volume 2ml (cas: 2050-20-6) ideal for chemical titration and analysis ensuring high precision and reliable results

