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Chromatography Standards

Frequently used for calibration, chromatography standards have a known concentration to test separating equipment for performance faults.
Organic Standards (11,222)
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346 – 360 of 22,167 results
346

TraceCERT™ Bromomethane Solution, 200 μg/mL in Methanol, MilliporeSigma™ Supelco™

Bromomethane is frequently used as fumigant. It is a liquid at room temperature which readily vaporizes into a colourless gas. It is slightly soluble in water and is freely soluble in organic solvents.

347

PESTANAL™ Azinphos-ethyl, MilliporeSigma™ Supelco™

Azinphos-ethyl is classified under the organophosphorus family of insecticides.

350

PESTANAL™ Carfentrazone-ethyl, MilliporeSigma™ Supelco™

Carfentrazone-ethyl is an aryl triazolinone reduced-risk herbicide used in the cultivation of wheat, soybean and corn.

352

1,2-Dichloroethane, ≥99.9% (GC), MilliporeSigma™ Supelco™

Boiling Point 83°C
Linear Formula ClCH2 CH2 Cl
Grade Analytical Standard
Ignition Point 775°F
Density 1.256 g/mL (at 25°C)
Vapor Density 3.4 (20°C, vs. air)
Vapor Pressure 87 mmHg (25°C)
Type Analytical Standard
Percent Purity ≥99.9% (GC)
CAS 107-06-2
MDL Number MFCD00000963
Flash Point 13°C - Closed Cup
Synonym Ethylene chloride; Ethylene dichloride
RTECS Number KI0525000
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 98.96
Melting Point -35°C
355

Acetylacetone, ≥99.6% (GC), MilliporeSigma™ Supelco™

Acetylacetone is a β-diketone, which contains two carbonyl groups and one active methylene group.

Boiling Point 140.4°C
Linear Formula CH3 COCH2 COCH3
Solubility Soluble in water
Grade Analytical Standard
Ignition Point 662°F
Density 0.975 g/mL (at 25°C)
Vapor Density 3.5 (vs. air)
Vapor Pressure 6 mmHg (20°C)
Type Analytical Standard
Percent Purity ≥99.6% (GC)
CAS 123-54-6
MDL Number MFCD00008787
Flash Point 38°C
Synonym 2,4-Pentanedione
Shelf Life Limited shelf life, expiry date on the label
Formula Weight 100.12
Melting Point -23°C
357

Thermo Scientific Chemicals Bifenox

CAS: 42576-02-3 Molecular Formula: C14H9Cl2NO5 Molecular Weight (g/mol): 342.13 MDL Number: MFCD00055314 InChI Key: SUSRORUBZHMPCO-UHFFFAOYSA-N IUPAC Name: methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate SMILES: COC(=O)C1=CC(OC2=CC=C(Cl)C=C2Cl)=CC=C1[N+]([O-])=O

CAS 42576-02-3
Molecular Weight (g/mol) 342.13
MDL Number MFCD00055314
SMILES COC(=O)C1=CC(OC2=CC=C(Cl)C=C2Cl)=CC=C1[N+]([O-])=O
IUPAC Name methyl 5-(2,4-dichlorophenoxy)-2-nitrobenzoate
InChI Key SUSRORUBZHMPCO-UHFFFAOYSA-N
Molecular Formula C14H9Cl2NO5
359

Methanol, ≥99.9% (GC), MilliporeSigma™ Supelco™

Methanol is a primary alcohol, which is commercially manufactured from methane. It can also be obtained via pyrolysis of wood. It can find applications in organic synthesis reactions, as a highly polar solvent.