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 1851–1875 of 16835 results
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4-methyl -2-pentanone Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cart4-methyl -2-pentanone standard with concentration 99.90%, volume 100mg (cas: 108-10-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methyl Benzophenone Standard | 99.20% | 100mg | Research & Development Standard Material
Add to cart4-methyl benzophenone standard with concentration 99.20%, volume 100mg (cas: 134-84-9) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methyl Biphenyl Standard | 99.50% | 100mg | Research & Development Standard Material
Add to cart4-methyl biphenyl standard with concentration 99.50%, volume 100mg (cas: 644-08-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methyl Biphenyl Standard | 99.50% | 10mg | Research & Development Standard Material
Add to cart4-methyl biphenyl standard with concentration 99.50%, volume 10mg (cas: 644-08-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-methyl Cyclohexane Carboxylic Acid (cis-trans Isomer Mixture) Standard | 99.50% | 1g | Environmental Monitoring Standard Material
Add to cart4-methyl cyclohexane carboxylic acid (cis-trans isomer mixture) standard with concentration 99.50%, volume 1g (cas: 4331-54-8) ideal for chemical titration and analysis ensuring high precision and …
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4-Methyl Heptane Standard | 98.90% | 10mg | Research & Development Standard Material
Add to cart4-methyl heptane standard with concentration 98.90%, volume 10mg (cas: 589-53-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-methyl Hippuric Acid Standard | 99.90% | 100mg | Environmental Monitoring Standard Material
Add to cart4-methyl hippuric acid standard with concentration 99.90%, volume 100mg (cas: 27115-50-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-methyl Hippuric Acid Standard | 99.90% | 10mg | Environmental Monitoring Standard Material
Add to cart4-methyl hippuric acid standard with concentration 99.90%, volume 10mg (cas: 27115-50-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-methyl Isopropylbenzene (4-isopropyl Toluene) Solution In Methanol | 2000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-methyl isopropylbenzene (4-isopropyl toluene) solution in methanol with concentration 2000ug/ml, volume 1.2ml (cas: 99-87-6) suitable for laboratory analytical applications ensuring high precisio…
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4-methyl N-octanoic Acid Standard | 99.40% | 10mg | Environmental Monitoring Standard Material
Add to cart4-methyl n-octanoic acid standard with concentration 99.40%, volume 10mg (cas: 54947-74-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-methyl Nonanoic Acid Standard | 97.90% | 10mg | Environmental Monitoring Standard Material
Add to cart4-methyl nonanoic acid standard with concentration 97.90%, volume 10mg (cas: 45019-28-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Methyl Pentanoic Acid Standard | 99.00% | 500mg | Environmental Monitoring Standard Material
Add to cart4-methyl pentanoic acid standard with concentration 99.00%, volume 500mg (cas: 646-07-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Methyl Phenol Standard | 99.80% | 250mg | Research & Development Standard Material
Add to cart4-methyl phenol standard with concentration 99.80%, volume 250mg (cas: 106-44-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methyl Umbelliferone Standard | 98.7% | 1g | Research & Development Standard Material
Add to cart4-methyl umbelliferone standard with concentration 98.7%, volume 1g (cas: 90-33-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methylaminoantipyrine Standard | 98.30% | 25mg | Research & Development Standard Material
Add to cart4-methylaminoantipyrine standard with concentration 98.30%, volume 25mg (cas: 519-98-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methylaminophenol Sulfate Standard | ≥99.0% | 500mg | Environmental Monitoring Standard Material
Add to cart4-methylaminophenol sulfate standard with concentration ≥99.0%, volume 500mg (cas: 55-55-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Methylimidazole Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-methylimidazole solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 822-36-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Methylimidazole Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-methylimidazole solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 822-36-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Methylimidazole Standard | 99.50% | 100mg | Research & Development Standard Material
Add to cart4-methylimidazole standard with concentration 99.50%, volume 100mg (cas: 822-36-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methylimidazole-D6 Isotope Solution In Methanol (DBS61/ 0007-2022) | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-methylimidazole-d6 isotope solution in methanol (dbs61/ 0007-2022) with concentration 1000ug/ml, volume 1.2ml (cas: 1219804-79-1) ideal for chemical titration and analysis ensuring high precision…
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4-Methylimidazole-D6 Isotope Solution In Methanol (DBS61/ 0007-2022) | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-methylimidazole-d6 isotope solution in methanol (dbs61/ 0007-2022) with concentration 100ug/ml, volume 1.2ml (cas: 1219804-79-1) ideal for chemical titration and analysis ensuring high precision …
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4-Methylmorpholine Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cart4-methylmorpholine standard with concentration 99.90%, volume 100mg (cas: 109-02-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methylpyridine Standard | 99.10% | 100mg | Research & Development Standard Material
Add to cart4-methylpyridine standard with concentration 99.10%, volume 100mg (cas: 108-89-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-n-heptyl Phenol Standard | 99.70% | 100mg | Research & Development Standard Material
Add to cart4-n-heptyl phenol standard with concentration 99.70%, volume 100mg (cas: 1987-50-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-n-heptyl Phenol Standard | 99.70% | 10mg | Research & Development Standard Material
Add to cart4-n-heptyl phenol standard with concentration 99.70%, volume 10mg (cas: 1987-50-4) suitable for laboratory analytical applications ensuring high precision and reliable results

