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 13326–13350 of 16835 results
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Rice Fermentation Fungus Acid Standard | 97.5% | 1mg | Environmental Monitoring Standard Material
Add to cartRice fermentation fungus acid standard with concentration 97.5%, volume 1mg (cas: 11076-19-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rice Freshness Rapid Detection Box | refer to certificate | 100 test/box | Environmental Monitoring Standard Material
Add to cartRice freshness rapid detection box with concentration refer to certificate, volume 100 test/box ideal for chemical titration and analysis ensuring high precision and reliable results
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Rice Yeast Acid Solution In Water | 10ug/mL | 1.2mL | Water Quality Analysis Standard Material
Add to cartRice yeast acid solution in water with concentration 10ug/ml, volume 1.2ml (cas: 11076-19-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rifampicin Standard | 95.20% | 100mg | Research & Development Standard Material
Add to cartRifampicin standard with concentration 95.20%, volume 100mg (cas: 13292-46-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rifampicin Standard | 97.1% | 10mg | Research & Development Standard Material
Add to cartRifampicin standard with concentration 97.1%, volume 10mg (cas: 13292-46-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rifamycin S Standard | 96.90% | 10mg | Research & Development Standard Material
Add to cartRifamycin s standard with concentration 96.90%, volume 10mg (cas: 13553-79-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rifaximin Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRifaximin solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 80621-81-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rifaximin Solution In Acetonitrile | 10ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRifaximin solution in acetonitrile with concentration 10ug/ml, volume 1.2ml (cas: 80621-81-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rifaximin Standard | refer to certificate | 100mg | Environmental Monitoring Standard Material
Add to cartRifaximin standard with concentration refer to certificate, volume 100mg (cas: 80621-81-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Riluzole Standard | 99.90% | 10mg | Research & Development Standard Material
Add to cartRiluzole standard with concentration 99.90%, volume 10mg (cas: 13292-46-1) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rimantadine Hydrochloride Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRimantadine hydrochloride solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 1501-84-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rimantadine Hydrochloride Standard | 99.60% | 100mg | Environmental Monitoring Standard Material
Add to cartRimantadine hydrochloride standard with concentration 99.60%, volume 100mg (cas: 1501-84-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rimantadine Hydrochloride Standard | 99.80% | 10mg | Environmental Monitoring Standard Material
Add to cartRimantadine hydrochloride standard with concentration 99.80%, volume 10mg (cas: 1501-84-4) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rimenidine Phosphate Standard | 98.00% | 10mg | Environmental Monitoring Standard Material
Add to cartRimenidine phosphate standard with concentration 98.00%, volume 10mg (cas: 85409-38-7) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rimsulfuron Standard | refer to certificate | 10mg | Environmental Monitoring Standard Material
Add to cartRimsulfuron standard with concentration refer to certificate, volume 10mg (cas: 104040-78-0) ideal for chemical titration and analysis ensuring high precision and reliable results
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Risperidone Standard | 98.40% | 100mg | Research & Development Standard Material
Add to cartRisperidone standard with concentration 98.40%, volume 100mg (cas: 106266-06-2) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ritodrine Hydrochloride Standard | 99.80% | 10mg | Environmental Monitoring Standard Material
Add to cartRitodrine hydrochloride standard with concentration 99.80%, volume 10mg (cas: 23239-51-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Ritojun Standard | 98.00% | 25mg | Research & Development Standard Material
Add to cartRitojun standard with concentration 98.00%, volume 25mg (cas: 26652-09-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Ritonavir Standard | 98.10% | 100mg | Research & Development Standard Material
Add to cartRitonavir standard with concentration 98.10%, volume 100mg (cas: 155213-67-5) suitable for laboratory analytical applications ensuring high precision and reliable results
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Rivalon Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRivalon solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 330-55-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rivalon Solution In Methanol | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartRivalon solution in methanol with concentration 100ug/ml, volume 1.2ml (cas: 330-55-2) ideal for chemical titration and analysis ensuring high precision and reliable results
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Rivaroxaban Standard | 99.28% | 10mg | Research & Development Standard Material
Add to cartRivaroxaban standard with concentration 99.28%, volume 10mg (cas: 366789-02-8) suitable for laboratory analytical applications ensuring high precision and reliable results
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RJW-200 Ammonia Nitrogen On-line Monitoring Reagent (salicylic Acid Method) | 1L | Biochemical Assays Standard Material
Add to cartRjw-200 ammonia nitrogen on-line monitoring reagent (salicylic acid method) with concentration ≥ components, volume 1l suitable for laboratory analytical applications ensuring high precision and re…
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RJW-300 Total Phosphorus On-line Monitoring Reagent | 4 components | 4 bottle/set | Biochemical Assays Standard Material
Add to cartRjw-300 total phosphorus on-line monitoring reagent with concentration 4 components, volume 4 bottle/set suitable for laboratory analytical applications ensuring high precision and reliable results
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RJW-400 Total Nitrogen On-line Monitoring Reagent (national Standard Method) | 4 components | 4pcs/set | Biochemical Assays Standard Material
Add to cartRjw-400 total nitrogen on-line monitoring reagent (national standard method) with concentration 4 components, volume 4pcs/set suitable for laboratory analytical applications ensuring high precision…
