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 1951–1975 of 16835 results
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4,4 ‘-Dinitrodiphenylurea-D8 Isotopic Solution In Acetonitrile/N,N-Dimethylformamide | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-dinitrodiphenylurea-d8 isotopic solution in acetonitrile/n,n-dimethylformamide with concentration 100ug/ml, volume 1.2ml (cas: 1156508-87-0) ideal for chemical titration and analysis ensuring…
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4,4 ‘-Dinitrodiphenylurea-D8 Isotopic Solution In N,N-Dimethylformamide | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4 ‘-dinitrodiphenylurea-d8 isotopic solution in n,n-dimethylformamide with concentration 1000ug/ml, volume 1.2ml (cas: 1156508-87-0) ideal for chemical titration and analysis ensuring high precis…
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4,4 ‘-Diphenylmethane Diisocyanate (MDI) Standard | 99.71% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-diphenylmethane diisocyanate (mdi) standard with concentration 99.71%, volume 100mg (cas: 101-68-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Diphenylmethane Diisocyanate Standard | 98.6% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-diphenylmethane diisocyanate standard with concentration 98.6%, volume 10mg (cas: 101-68-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Methylenebis (2-chloroaniline) Standard | 99.2% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2-chloroaniline) standard with concentration 99.2%, volume 10mg (cas: 101-14-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Methylenebis (2-chloroaniline) Standard | 99% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2-chloroaniline) standard with concentration 99%, volume 100mg (cas: 101-14-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Methylenebis (2-chloroaniline) Standard | 99% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2-chloroaniline) standard with concentration 99%, volume 100mg (cas: 101-14-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Methylenebis (2-ethylaniline) Standard | 97.8% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2-ethylaniline) standard with concentration 97.8%, volume 100mg (cas: 19900-65-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Methylenebis (2-methylaniline) Standard | 99.0% | 10mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2-methylaniline) standard with concentration 99.0%, volume 10mg (cas: 838-88-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Methylenebis (2-methylaniline) Standard | 99.8% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2-methylaniline) standard with concentration 99.8%, volume 100mg (cas: 838-88-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Methylenebis (2-methylcyclohexylamine) Standard | 99.8% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2-methylcyclohexylamine) standard with concentration 99.8%, volume 100mg (cas: 6864-37-5) suitable for laboratory analytical applications ensuring high precision and reliable re…
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4,4 ‘-Methylenebis (2,6-xylenol) Standard | 99.7% | 100mg | Research & Development Standard Material
Add to cart4,4 ‘-methylenebis (2,6-xylenol) standard with concentration 99.7%, volume 100mg (cas: 5384-21-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4 ‘-Thiobis/6-tert-butyl-m-cresol Standard | 99.1% | 250mg | Research & Development Standard Material
Add to cart4,4 ‘-thiobis/6-tert-butyl-m-cresol standard with concentration 99.1%, volume 250mg (cas: 96-69-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4-DDT-D8 Isotope Solution In n-Hexane | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4-ddt-d8 isotope solution in n-hexane with concentration 100ug/ml, volume 1.2ml (cas: 93952-18-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4-Diaminodiphenyl Sulfide Standard | 98.1% | 10mg | Research & Development Standard Material
Add to cart4,4-diaminodiphenyl sulfide standard with concentration 98.1%, volume 10mg (cas: 139-65-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4-Diaminodiphenyl Sulfide Standard | 98.8% | 250mg | Research & Development Standard Material
Add to cart4,4-diaminodiphenyl sulfide standard with concentration 98.8%, volume 250mg (cas: 139-65-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4-diaminodiphenylmethane Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4-diaminodiphenylmethane solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 101-77-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4-Difluorobenzophenone Standard | refer to certificate | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4-difluorobenzophenone standard with concentration refer to certificate, volume 1.2ml (cas: 345-92-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4-Dimethyloxazoline Standard | 92.2% | 10mg | Research & Development Standard Material
Add to cart4,4-dimethyloxazoline standard with concentration 92.2%, volume 10mg (cas: 51200-87-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,4-Dinitrodiphenylurea Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4-dinitrodiphenylurea solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 587-90-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4-methine-bis (2-chloroaniline) Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4-methine-bis (2-chloroaniline) solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 101-14-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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4,4′-Diphenylmethane Diisocyanate (MDI) Solution In Toluene | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,4′-diphenylmethane diisocyanate (mdi) solution in toluene with concentration 1000ug/ml, volume 1.2ml (cas: 101-68-8) suitable for laboratory analytical applications ensuring high precision and r…
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4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one Standard | 99.7%(GC) | 100mg | Research & Development Standard Material
Add to cart4,5-dichloro-2-n-octyl-4-isothiazolin-3-one standard with concentration 99.7%(gc), volume 100mg (cas: 64359-81-5) suitable for laboratory analytical applications ensuring high precision and reliabl…
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4,6-Dichloropyrimidine Standard | ≥98.0% | 10mg | Research & Development Standard Material
Add to cart4,6-dichloropyrimidine standard with concentration ≥98.0%, volume 10mg (cas: 1193-21-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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4,6-dinitro-o-cresol Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4,6-dinitro-o-cresol solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 534-52-1) ideal for chemical titration and analysis ensuring high precision and reliable results
