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 1826–1850 of 16835 results
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4-Hexylphenol Standard | 99.80% | 10mg | Research & Development Standard Material
Add to cart4-hexylphenol standard with concentration 99.80%, volume 10mg (cas: 2446-69-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Hexylresorcinol Standard | 98.90% | 100mg | Research & Development Standard Material
Add to cart4-hexylresorcinol standard with concentration 98.90%, volume 100mg (cas: 136-77-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-hydroxybutane-1-sulfonic Acid (4-hydroxybutanesulfonic Acid) Standard | 96% | 20mg | Environmental Monitoring Standard Material
Add to cart4-hydroxybutane-1-sulfonic acid (4-hydroxybutanesulfonic acid) standard with concentration 96%, volume 20mg (cas: 26978-64-3) ideal for chemical titration and analysis ensuring high precision and r…
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4-Hydroxyisophthalic Acid Standard | 97.10% | 250mg | Environmental Monitoring Standard Material
Add to cart4-hydroxyisophthalic acid standard with concentration 97.10%, volume 250mg (cas: 636-46-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Hydroxyisophthalic Acid Standard | 97.20% | 100mg | Environmental Monitoring Standard Material
Add to cart4-hydroxyisophthalic acid standard with concentration 97.20%, volume 100mg (cas: 636-46-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Hydroxyphenanthrene Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-hydroxyphenanthrene solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 7651-86-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Hydroxyphenanthrene Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cart4-hydroxyphenanthrene standard with concentration refer to certificate, volume 10mg (cas: 7651-86-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Hydroxyphenyl Lactic Acid Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-hydroxyphenyl lactic acid solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 306-23-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Hydroxyphenyl Lactic Acid Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart4-hydroxyphenyl lactic acid solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 306-23-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Iodobenzoic Acid Standard | 99.90% | 250mg | Environmental Monitoring Standard Material
Add to cart4-iodobenzoic acid standard with concentration 99.90%, volume 250mg (cas: 619-58-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Iodophenoxyacetic Acid Standard | 97.50% | 10mg | Environmental Monitoring Standard Material
Add to cart4-iodophenoxyacetic acid standard with concentration 97.50%, volume 10mg (cas: 1878-94-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-isopropyl -3-methyl Phenol Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cart4-isopropyl -3-methyl phenol standard with concentration 99.90%, volume 100mg (cas: 3228-02-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-isopropyl -3-methyl Phenol Standard | 99.90% | 250mg | Research & Development Standard Material
Add to cart4-isopropyl -3-methyl phenol standard with concentration 99.90%, volume 250mg (cas: 3228-02-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Isopropylaniline Standard | 99.80% | 250mg | Research & Development Standard Material
Add to cart4-isopropylaniline standard with concentration 99.80%, volume 250mg (cas: 99-88-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Isopropylthioxanthone Standard | 96.50% | 100mg | Research & Development Standard Material
Add to cart4-isopropylthioxanthone standard with concentration 96.50%, volume 100mg (cas: 83846-86-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Mercapto-4-methyl-2-pentanone Standard | 99.60% | 100mg | Research & Development Standard Material
Add to cart4-mercapto-4-methyl-2-pentanone standard with concentration 99.60%, volume 100mg (cas: 19872-52-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-Methoxybenzoic Acid Standard | 99.90% | 10mg | Environmental Monitoring Standard Material
Add to cart4-methoxybenzoic acid standard with concentration 99.90%, volume 10mg (cas: 100-09-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Methoxybenzoic Acid Standard | 99.90% | 250mg | Environmental Monitoring Standard Material
Add to cart4-methoxybenzoic acid standard with concentration 99.90%, volume 250mg (cas: 100-09-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-Methoxyphenol Standard | 99.90% | 1g | Research & Development Standard Material
Add to cart4-methoxyphenol standard with concentration 99.90%, volume 1g (cas: 150-76-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-methyl -1-pentene Standard | 99.00% | 100mg | Research & Development Standard Material
Add to cart4-methyl -1-pentene standard with concentration 99.00%, volume 100mg (cas: 691-37-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-methyl -1, 3-dioxane Standard | 99.30% | 100mg | Research & Development Standard Material
Add to cart4-methyl -1, 3-dioxane standard with concentration 99.30%, volume 100mg (cas: 1120-97-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-methyl -1, 3-dioxane Standard | 99.30% | 10mg | Research & Development Standard Material
Add to cart4-methyl -1, 3-dioxane standard with concentration 99.30%, volume 10mg (cas: 1120-97-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-methyl -2-oxopentanoic Acid Standard | 98.90% | 100mg | Environmental Monitoring Standard Material
Add to cart4-methyl -2-oxopentanoic acid standard with concentration 98.90%, volume 100mg (cas: 816-66-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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4-methyl -2-pentanol Standard | 99.0% | 5mL | Research & Development Standard Material
Add to cart4-methyl -2-pentanol standard with concentration 99.0%, volume 5ml (cas: 108-11-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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4-methyl -2-pentanone Standard | 99.76% | 1mL | Research & Development Standard Material
Add to cart4-methyl -2-pentanone standard with concentration 99.76%, volume 1ml (cas: 108-10-1) suitable for laboratory analytical applications ensuring high precision and reliable results
