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 8201–8225 of 16835 results
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L-(+)-Tartaric Acid Standard | 99.3% | 10mg | Environmental Monitoring Standard Material
Add to cartL-(+)-tartaric acid standard with concentration 99.3%, volume 10mg (cas: 87-69-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-5-Methyltetrahydrofolate Standard | 99.8% | 100mg | Research & Development Standard Material
Add to cartL-5-methyltetrahydrofolate standard with concentration 99.8%, volume 100mg (cas: 31690-09-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Alanine Isopropyl Ester Hydrochloride Standard | 98.7% | 250mg | Environmental Monitoring Standard Material
Add to cartL-alanine isopropyl ester hydrochloride standard with concentration 98.7%, volume 250mg (cas: 62062-65-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Alanine Standard | 99.5% | 25g | Research & Development Standard Material
Add to cartL-alanine standard with concentration 99.5%, volume 25g (cas: 56-41-7) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-ALANINE-D3 ISOTOPIC STANDARD | 99.0% | 100mg | Research & Development Standard Material
Add to cartL-alanine-d3 isotopic standard with concentration 99.0%, volume 100mg (cas: 19470-97-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-ALTHONINE STANDARD | 99.9% | 100mg | Research & Development Standard Material
Add to cartL-althonine standard with concentration 99.9%, volume 100mg (cas: 28954-12-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Arginine Standard | 99.7% | 5g | Research & Development Standard Material
Add to cartL-arginine standard with concentration 99.7%, volume 5g (cas: 74-79-3) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Ascorbic Acid -2-Phosphate Trisodium Salt Standard | 96.1% | 10mg | Environmental Monitoring Standard Material
Add to cartL-ascorbic acid -2-phosphate trisodium salt standard with concentration 96.1%, volume 10mg (cas: 66170-10-3) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Ascorbic Acid 2-Phosphate Magnesium Sesquiphosphate Hydrate Standard | 99.7% | 10mg | Environmental Monitoring Standard Material
Add to cartL-ascorbic acid 2-phosphate magnesium sesquiphosphate hydrate standard with concentration 99.7%, volume 10mg (cas: 113170-55-1) ideal for chemical titration and analysis ensuring high precision and…
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L-Asparagine Monohydrate Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cartL-asparagine monohydrate standard with concentration 99.90%, volume 10mg (cas: 5794-13-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Aspartate Standard | 100.10% | 1g | Research & Development Standard Material
Add to cartL-aspartate standard with concentration 100.10%, volume 1g (cas: 56-84-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-carnitine Reference Substance | 98% | 100mg | Research & Development Standard Material
Add to cartL-carnitine reference substance with concentration 98%, volume 100mg (cas: 541-15-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Carnitine Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartL-carnitine solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 541-15-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Carnitine Standard | 99.9% | 100mg | Research & Development Standard Material
Add to cartL-carnitine standard with concentration 99.9%, volume 100mg (cas: 541-15-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Carnitine Tartrate (L-Carnitine Tartrate) Standard | refer to certificate | 250mg | Environmental Monitoring Standard Material
Add to cartL-carnitine tartrate (l-carnitine tartrate) standard with concentration refer to certificate, volume 250mg (cas: 36687-82-8) ideal for chemical titration and analysis ensuring high precision and re…
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L-Carnosine Standard | 99.1% | 100mg | Research & Development Standard Material
Add to cartL-carnosine standard with concentration 99.1%, volume 100mg (cas: 305-84-0) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Citrulline Standard | 99.5% | 100mg | Research & Development Standard Material
Add to cartL-citrulline standard with concentration 99.5%, volume 100mg (cas: 372-75-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Citrulline Standard | 99.5% | 10mg | Research & Development Standard Material
Add to cartL-citrulline standard with concentration 99.5%, volume 10mg (cas: 372-75-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Cysteic Acid Standard | 99.3% | 100mg | Environmental Monitoring Standard Material
Add to cartL-cysteic acid standard with concentration 99.3%, volume 100mg (cas: 498-40-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Cysteic Acid Standard | 99.3% | 10mg | Environmental Monitoring Standard Material
Add to cartL-cysteic acid standard with concentration 99.3%, volume 10mg (cas: 498-40-8) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Cysteine Hydrochloride Solution | 10g/L | 100mL | Environmental Monitoring Standard Material
Add to cartL-cysteine hydrochloride solution with concentration 10g/l, volume 100ml (cas: 52-89-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Cysteine Hydrochloride Standard | 99.9% | 100mg | Environmental Monitoring Standard Material
Add to cartL-cysteine hydrochloride standard with concentration 99.9%, volume 100mg (cas: 52-89-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Cysteine Hydrochloride Standard | 99.9% | 10mg | Environmental Monitoring Standard Material
Add to cartL-cysteine hydrochloride standard with concentration 99.9%, volume 10mg (cas: 52-89-1) ideal for chemical titration and analysis ensuring high precision and reliable results
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L-Cysteine Standard | 98% | 1g | Research & Development Standard Material
Add to cartL-cysteine standard with concentration 98%, volume 1g (cas: 52-90-4) suitable for laboratory analytical applications ensuring high precision and reliable results
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L-Epinephrine Standard | 98.7% | 250mg | Research & Development Standard Material
Add to cartL-epinephrine standard with concentration 98.7%, volume 250mg (cas: 51-43-4) suitable for laboratory analytical applications ensuring high precision and reliable results
