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 6126–6150 of 16835 results
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DL-Norleucine Standard | 98.6% | 500mg | Research & Development Standard Material
Add to cartDl-norleucine standard with concentration 98.6%, volume 500mg (cas: 616-06-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Pantol Lactone Standard | ≥95.0% | 100mg | Research & Development Standard Material
Add to cartDl-pantol lactone standard with concentration ≥95.0%, volume 100mg (cas: 79-50-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Phenylalanine Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cartDl-phenylalanine standard with concentration 99.9%, volume 100mg (cas: 150-30-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Phenylalanine Standard | 99.9% | 10mg | Research & Development Standard Material
Add to cartDl-phenylalanine standard with concentration 99.9%, volume 10mg (cas: 150-30-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Proline Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cartDl-proline standard with concentration 99.9%, volume 100mg (cas: 609-36-9) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Proline Standard | 99.9% | 10mg | Research & Development Standard Material
Add to cartDl-proline standard with concentration 99.9%, volume 10mg (cas: 609-36-9) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Selenomethionine Standard | 99.8% | 100mg | Research & Development Standard Material
Add to cartDl-selenomethionine standard with concentration 99.8%, volume 100mg (cas: 1464-42-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Serine Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cartDl-serine standard with concentration 99.9%, volume 100mg (cas: 302-84-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Serine Standard | 99.9% | 10mg | Research & Development Standard Material
Add to cartDl-serine standard with concentration 99.9%, volume 10mg (cas: 302-84-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Tartaric Acid Standard | 99.7% | 100mg | Environmental Monitoring Standard Material
Add to cartDl-tartaric acid standard with concentration 99.7%, volume 100mg (cas: 133-37-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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DL-Threonine Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cartDl-threonine standard with concentration 99.9%, volume 100mg (cas: 80-68-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Threonine Standard | 99.9% | 10mg | Research & Development Standard Material
Add to cartDl-threonine standard with concentration 99.9%, volume 10mg (cas: 80-68-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Tryptophan Standard | 99.9% | 500mg | Research & Development Standard Material
Add to cartDl-tryptophan standard with concentration 99.9%, volume 500mg (cas: 54-12-6) suitable for laboratory analytical applications ensuring high precision and reliable results
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DL-Valine Standard | 99.5% | 100mg | Research & Development Standard Material
Add to cartDl-valine standard with concentration 99.5%, volume 100mg (cas: 516-06-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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DNS Reagent (GB/T23874-2009) | / | 100mL | Biochemical Assays Standard Material
Add to cartDns reagent (gb/t23874-2009) with concentration /, volume 100ml suitable for laboratory analytical applications ensuring high precision and reliable results
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Docosadienoic Acid Methyl Ester (cis-13, 16)(C22:2) Standard | 99.0% | 100mg | Environmental Monitoring Standard Material
Add to cartDocosadienoic acid methyl ester (cis-13, 16)(c22:2) standard with concentration 99.0%, volume 100mg (cas: 61012-47-3) ideal for chemical titration and analysis ensuring high precision and reliable …
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Docosadienoic Acid Methyl Ester (cis-13, 16)(C22:2) Standard | 99.1% | 10mg | Environmental Monitoring Standard Material
Add to cartDocosadienoic acid methyl ester (cis-13, 16)(c22:2) standard with concentration 99.1%, volume 10mg (cas: 61012-47-3) ideal for chemical titration and analysis ensuring high precision and reliable r…
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Docosahexaenoic Acid (cis-4, 7,10,13,16,19) Standard | 99.00%(GC) | 10mg | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid (cis-4, 7,10,13,16,19) standard with concentration 99.00%(gc), volume 10mg (cas: 6217-54-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Docosahexaenoic Acid (cis-4, 7,10,13,16,19) Standard | 99.10% | 100mg | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid (cis-4, 7,10,13,16,19) standard with concentration 99.10%, volume 100mg (cas: 6217-54-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Docosahexaenoic Acid (DHA) Solution In N-hexane | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid (dha) solution in n-hexane with concentration 1000ug/ml, volume 1.2ml (cas: 6217-54-5) ideal for chemical titration and analysis ensuring high precision and reliable results
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Docosahexaenoic Acid Methyl Ester (all-cis-4, 7,10,13,16,19) Standard | 99.0% | 100mg | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid methyl ester (all-cis-4, 7,10,13,16,19) standard with concentration 99.0%, volume 100mg (cas: 2566-90-7) ideal for chemical titration and analysis ensuring high precision and r…
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Docosahexaenoic Acid Methyl Ester Standard | 99.0% | 10mg | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid methyl ester standard with concentration 99.0%, volume 10mg (cas: 301-01-9) ideal for chemical titration and analysis ensuring high precision and reliable results
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Docosahexaenoic Acid Methyl Ester/all-cis-4, 7,10,13,16,19 Standard | 99.00% | 10mg | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid methyl ester/all-cis-4, 7,10,13,16,19 standard with concentration 99.00%, volume 10mg (cas: 2566-90-7) ideal for chemical titration and analysis ensuring high precision and rel…
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Docosahexaenoic Acid Methyl Ester/all-cis-4, 7,10,13,16,19 Standard | 99.00% | 500mg | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid methyl ester/all-cis-4, 7,10,13,16,19 standard with concentration 99.00%, volume 500mg (cas: 2566-90-7) ideal for chemical titration and analysis ensuring high precision and re…
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Docosahexaenoic Acid Triglyceride (cis-4,7,10,13,16,19) Standard | 99.0% | 100mg | Environmental Monitoring Standard Material
Add to cartDocosahexaenoic acid triglyceride (cis-4,7,10,13,16,19) standard with concentration 99.0%, volume 100mg (cas: 11094-59-0) ideal for chemical titration and analysis ensuring high precision and relia…
