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 876–900 of 16835 results
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2-Heptene Standard | 94.90% | 250mg | Research & Development Standard Material
Add to cart2-heptene standard with concentration 94.90%, volume 250mg (cas: 6443-92-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-Hexanone Quality Control Sample In Activated Carbon Tube | 2 components | 2pcs/set | Environmental Monitoring Standard Material
Add to cart2-hexanone quality control sample in activated carbon tube with concentration 2 components, volume 2pcs/set (cas: 591-78-6) ideal for chemical titration and analysis ensuring high precision and rel…
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2-Hexanone Standard | 99.5% | 1mL | Research & Development Standard Material
Add to cart2-hexanone standard with concentration 99.5%, volume 1ml (cas: 591-78-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-Hexene/cis-trans Isomer Mixture Standard | 97.70% | 100mg | Research & Development Standard Material
Add to cart2-hexene/cis-trans isomer mixture standard with concentration 97.70%, volume 100mg (cas: 592-43-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-Hydroxy -1,4-Naphthoquinone Standard | 98.20% | 100mg | Research & Development Standard Material
Add to cart2-hydroxy -1,4-naphthoquinone standard with concentration 98.20%, volume 100mg (cas: 83-72-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-hydroxy -2-methyl Butyric Acid Standard | 99.40% | 10mg | Environmental Monitoring Standard Material
Add to cart2-hydroxy -2-methyl butyric acid standard with concentration 99.40%, volume 10mg (cas: 3739-30-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-hydroxy -4-benzophenone -5-sulfonic Acid Standard | 99.60% | 100mg | Environmental Monitoring Standard Material
Add to cart2-hydroxy -4-benzophenone -5-sulfonic acid standard with concentration 99.60%, volume 100mg (cas: 4065-45-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-hydroxy -4-benzophenone -5-sulfonic Acid Standard | 99.60% | 10mg | Environmental Monitoring Standard Material
Add to cart2-hydroxy -4-benzophenone -5-sulfonic acid standard with concentration 99.60%, volume 10mg (cas: 4065-45-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-hydroxy -4-methoxy Benzophenone -5-sulfonic Acid Sodium Standard | 99.70% | 100mg | Environmental Monitoring Standard Material
Add to cart2-hydroxy -4-methoxy benzophenone -5-sulfonic acid sodium standard with concentration 99.70%, volume 100mg (cas: 6628-37-1) ideal for chemical titration and analysis ensuring high precision and rel…
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2-hydroxy-4-hexyloxybenzophenone Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart2-hydroxy-4-hexyloxybenzophenone solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 3293-97-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-Hydroxy-4-methoxybenzophenone Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cart2-hydroxy-4-methoxybenzophenone standard with concentration 99.90%, volume 10mg (cas: 131-57-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-hydroxy-4-n-octyloxybenzophenone Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cart2-hydroxy-4-n-octyloxybenzophenone solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 1843-05-6) ideal for chemical titration and analysis ensuring high precision and reliable re…
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2-Hydroxy-4-n-octyloxybenzophenone Standard | 99.90% | 100mg | Research & Development Standard Material
Add to cart2-hydroxy-4-n-octyloxybenzophenone standard with concentration 99.90%, volume 100mg (cas: 1843-05-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-Hydroxy-4-n-octyloxybenzophenone Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cart2-hydroxy-4-n-octyloxybenzophenone standard with concentration 99.90%, volume 10mg (cas: 1843-05-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-Hydroxyatrazine Standard | 99.00% | 100mg | Research & Development Standard Material
Add to cart2-hydroxyatrazine standard with concentration 99.00%, volume 100mg (cas: 2163-68-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-hydroxyethyl Nortadalafil Standard | 96.10% | 10mg | Research & Development Standard Material
Add to cart2-hydroxyethyl nortadalafil standard with concentration 96.10%, volume 10mg (cas: 385769-94-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-hydroxyfluorene Solution In Methanol | 1000ug/ml | 1.2mL | Environmental Monitoring Standard Material
Add to cart2-hydroxyfluorene solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 2443-58-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-Hydroxyhippuric Acid Standard | 96.10% | 10mg | Environmental Monitoring Standard Material
Add to cart2-hydroxyhippuric acid standard with concentration 96.10%, volume 10mg (cas: 487-54-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-Hydroxyisobutyric Acid Standard | 99.80% | 10mg | Environmental Monitoring Standard Material
Add to cart2-hydroxyisobutyric acid standard with concentration 99.80%, volume 10mg (cas: 594-61-6) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-hydroxyisovaleric Acid Standard | 95.7% | 10mg | Environmental Monitoring Standard Material
Add to cart2-hydroxyisovaleric acid standard with concentration 95.7%, volume 10mg (cas: 4026-18-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-Hydroxyphenanthrene-D9 Isotope Standard | refer to certificate | 1mg | Environmental Monitoring Standard Material
Add to cart2-hydroxyphenanthrene-d9 isotope standard with concentration refer to certificate, volume 1mg (cas: 922510-19-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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2-Hydroxypropyl Methacrylate Standard | 94.30% | 10mg | Research & Development Standard Material
Add to cart2-hydroxypropyl methacrylate standard with concentration 94.30%, volume 10mg (cas: 923-26-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-hydroxypropyl Nortadalafil Standard | 99.70% | 100mg | Research & Development Standard Material
Add to cart2-hydroxypropyl nortadalafil standard with concentration 99.70%, volume 100mg (cas: 1353020-85-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-hydroxypropyl Nortadalafil Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cart2-hydroxypropyl nortadalafil standard with concentration 99.90%, volume 10mg (cas: 1353020-85-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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2-Hydroxyquinoline Standard | 99.60% | 100mg | Research & Development Standard Material
Add to cart2-hydroxyquinoline standard with concentration 99.60%, volume 100mg (cas: 59-31-4) suitable for laboratory analytical applications ensuring high precision and reliable results

