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 10951–10975 of 16835 results
-
Nystatin Standard | refer to certificate | 20mg | Environmental Monitoring Standard Material
Add to cartNystatin standard with concentration refer to certificate, volume 20mg (cas: 1400-61-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
o-Amino Azo Toluene Standard | 98.90% | 1g | Environmental Monitoring Standard Material
Add to cartO-amino azo toluene standard with concentration 98.90%, volume 1g (cas: 97-56-3) suitable for laboratory analytical applications ensuring high precision and reliable results
-
O-aminophenol Solution In Methanol | 1000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartO-aminophenol solution in methanol with concentration 1000ug/ml, volume 1.2ml (cas: 95-55-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
o-Anisic Acid Standard | 99.60% | 10mg | Environmental Monitoring Standard Material
Add to cartO-anisic acid standard with concentration 99.60%, volume 10mg (cas: 579-75-9) ideal for chemical titration and analysis ensuring high precision and reliable results
-
o-Anisidine (o-Anisidine) Standard | ≥98% | 250mg | Research & Development Standard Material
Add to cartO-anisidine (o-anisidine) standard with concentration ≥98%, volume 250mg (cas: 90-04-0) suitable for laboratory analytical applications ensuring high precision and reliable results
-
O-anisidine (o-methoxyaniline) Solution In Methanol | 4000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-anisidine (o-methoxyaniline) solution in methanol with concentration 4000ug/ml, volume 2ml (cas: 90-04-0) ideal for chemical titration and analysis ensuring high precision and reliable results
-
o-Chlorobenzaldehyde (2-Chlorobenzaldehyde) Detection Standard | ≥99% | 250mg | Research & Development Standard Material
Add to cartO-chlorobenzaldehyde (2-chlorobenzaldehyde) detection standard with concentration ≥99%, volume 250mg (cas: 89-98-5) suitable for laboratory analytical applications ensuring high precision and relia…
-
O-cresol Solution In Acetone | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-cresol solution in acetone with concentration 1000ug/ml, volume 2ml (cas: 95-48-7) ideal for chemical titration and analysis ensuring high precision and reliable results
-
O-cresol Solution In Methanol | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-cresol solution in methanol with concentration 1000ug/ml, volume 2ml (cas: 95-48-7) ideal for chemical titration and analysis ensuring high precision and reliable results
-
O-cresol Solution In Methanol | 100ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-cresol solution in methanol with concentration 100ug/ml, volume 2ml (cas: 95-48-7) ideal for chemical titration and analysis ensuring high precision and reliable results
-
O-cymene -5-ol Standard | 99.8% | 20mg | Research & Development Standard Material
Add to cartO-cymene -5-ol standard with concentration 99.8%, volume 20mg (cas: 39660-61-2) suitable for laboratory analytical applications ensuring high precision and reliable results
-
O-dichlorobenzene (1,2-dichlorobenzene) In Methanol (standard Sample) | 224ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-dichlorobenzene (1,2-dichlorobenzene) in methanol (standard sample) with concentration 224ug/ml, volume 2ml (cas: 95-50-1) suitable for laboratory analytical applications ensuring high precision …
-
O-dichlorobenzene (1,2-dichlorobenzene) In Methanol (standard Sample) | 59.9ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-dichlorobenzene (1,2-dichlorobenzene) in methanol (standard sample) with concentration 59.9ug/ml, volume 2ml (cas: 95-50-1) suitable for laboratory analytical applications ensuring high precision…
-
O-dichlorobenzene Quality Control Sample In Activated Carbon Tube | 2 components | 2pcs/set | Environmental Monitoring Standard Material
Add to cartO-dichlorobenzene quality control sample in activated carbon tube with concentration 2 components, volume 2pcs/set (cas: 95-50-1) suitable for laboratory analytical applications ensuring high preci…
-
O-dichlorobenzene Solution In Isooctane | 100ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-dichlorobenzene solution in isooctane with concentration 100ug/ml, volume 2ml (cas: 95-50-1) suitable for laboratory analytical applications ensuring high precision and reliable results
-
o-Dichlorobenzene Standard | 99.0% | 5mL | Environmental Monitoring Standard Material
Add to cartO-dichlorobenzene standard with concentration 99.0%, volume 5ml (cas: 95-50-1) suitable for laboratory analytical applications ensuring high precision and reliable results
-
O-Diethylsildenafil Standard | 99.40% | 1mg | Research & Development Standard Material
Add to cartO-diethylsildenafil standard with concentration 99.40%, volume 1mg (cas: 139755-91-2) suitable for laboratory analytical applications ensuring high precision and reliable results
-
o-Dinitrobenzene Solution In Benzene | 10mg/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartO-dinitrobenzene solution in benzene with concentration 10mg/ml, volume 1.2ml (cas: 528-29-0) suitable for laboratory analytical applications ensuring high precision and reliable results
-
o-Dinitrobenzene Solution In Benzene | 2000ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartO-dinitrobenzene solution in benzene with concentration 2000ug/ml, volume 1.2ml (cas: 528-29-0) suitable for laboratory analytical applications ensuring high precision and reliable results
-
o-Isopropylbenzene Standard | 99.10% | 10mg | Environmental Monitoring Standard Material
Add to cartO-isopropylbenzene standard with concentration 99.10%, volume 10mg (cas: 527-84-4) suitable for laboratory analytical applications ensuring high precision and reliable results
-
o-methylbenzaldehyde-DNPH (calculated As Aldehyde And Ketone) Solution In Acetonitrile | 100ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartO-methylbenzaldehyde-dnph (calculated as aldehyde and ketone) solution in acetonitrile with concentration 100ug/ml, volume 1.2ml (cas: 529-20-4) ideal for chemical titration and analysis ensuring h…
-
o-methylbenzaldehyde-DNPH (calculated As Aldehyde And Ketone) Solution In Acetonitrile | 10ug/mL | 1.2mL | Environmental Monitoring Standard Material
Add to cartO-methylbenzaldehyde-dnph (calculated as aldehyde and ketone) solution in acetonitrile with concentration 10ug/ml, volume 1.2ml (cas: 529-20-4) ideal for chemical titration and analysis ensuring hi…
-
O-Methylhydroxylamine Hydrochloride Standard | 99.90% | 100mg | Environmental Monitoring Standard Material
Add to cartO-methylhydroxylamine hydrochloride standard with concentration 99.90%, volume 100mg (cas: 593-56-6) ideal for chemical titration and analysis ensuring high precision and reliable results
-
O-nitroaniline Solution In Ethanol | 1000ug/mL | 2mL | Environmental Monitoring Standard Material
Add to cartO-nitroaniline solution in ethanol with concentration 1000ug/ml, volume 2ml (cas: 88-74-4) ideal for chemical titration and analysis ensuring high precision and reliable results
-
o-Nitrobenzaldehyde (2-Nitrobenzaldehyde) Standard | 99.5% | 100mg | Research & Development Standard Material
Add to cartO-nitrobenzaldehyde (2-nitrobenzaldehyde) standard with concentration 99.5%, volume 100mg (cas: 552-89-6) suitable for laboratory analytical applications ensuring high precision and reliable results
