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3-Chlorotetrafluoropropionyl+chloride
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3-Chlorotetrafluoropropionyl+chloride
Supplier:
Ricca Chemical
Description:
Ammonium chloride 8.5% (w/v) aqueous solution, with Brij®35
Supplier:
Matrix Scientific
Description:
3,5-DICHLOROBENZOYL CHLORIDE MF=C7H3CL3O MW=209.46 CAS=2905-62-6 MDL=MFCD00009817
Catalog Number:
(EM1.12285.0100)
Supplier:
MilliporeSigma
Description:
Cas Number: 10026-12-7, 98+, Synonyms: Niobium Pentachloride, Chemical Formula: Nbcl5, 100G
Supplier:
BeanTown Chemical
Description:
CAS: 764-85-2; EC No: 212-131-2; MDL No: MFCD00000768
UN No: UN3265; Haz Class: 8; Packing Group: II
Liquid; Linear Formula: CH3(CH2)7COCl; Molecular Formula: C9H17ClO; MW: 176.69
Melting Point: -61°; Boiling Point: 215°; Flash point: 95°C (203°F)
Density (g/mL): 0.98; Refractive Index: 1.438
Moisture Sensitive
Supplier:
Thermo Scientific Chemicals
Description:
MDL: MFCD00011058
Fieser: 16,181 19,173 20,197 21,228
Catalog Number:
(EM8.03240.0250)
Supplier:
Adipogen
Description:
It is known that phenol and p-cresol are promoters of skin tumors and also urinary excretion of phenol and p-cresol is increased by exposure to benzene, which has hemopoietic toxicity, and toluene, respectively. Therefore, the determination of phenol and p-cresol is important in clinical chemistry and toxicology. Because phenol and p-cresol are present in urine as sulfate or glucuronide conjugates, they are hydrolyzed enzymatically or with acid, followed by distillation or extraction with organic solvent prior to measurement by GC or HPLC. However, these GC and HPLC methods require relatively large sample volumes (more than 1 ml) because of their insufficient sensitivities for measuring small amounts of phenol and p-cresol. In the general, the application of fluorescent labeling techniques to HPLC result in a sensitive and selective method. Some acyl chlorides are known to react with phenolic hydroxy group to form esters. It is known that 4-(N-phthalimidinyl)benzensulfonyl chloride Phisyl-Cl7, having sulfonyl chloride, reacted with phenol to give the corresponding highly fluorescent sulfonyl ester. The sensitivity of Physil-Cl was compared with Dansyl-Cl and DPS-Cl, which are analogous to Physil-Cl as fluorescent labeling reagents having sulfonyl chloride group. The labeling reaction of phenol with Dansyl-Cl and DPS-Cl were carried out according to the method of Ruiter et al.5 and the peaks were detected at the each fluorescence maxima wavelength (Ex350nm a Em550nm for Dansyl-Cl, and Ex320nm a Em386nm for DPS-Cl). Peak height of Phisyl derivative was higher about 85-and 7,3-fold than thosse of Dansyl derivative and DPS derivative, respectively. Among these three reagents, Phisyl-Cl was the most sensitive.
Supplier:
Thermo Scientific Chemicals
Description:
MDL: MFCD00156129
Beilstein Registry No.: 2364328
Supplier:
Matrix Scientific
Description:
MF=C4H11CL2N MW=144.04 CAS=4584-46-7 MDL=MFCD00012516 100G
Catalog Number:
(76769-614)
Supplier:
AMBEED, INC
Description:
Benzethonium chloride 98%
Supplier:
AMBEED, INC
Description:
Methyl adipoyl chloride 95%
Supplier:
AMBEED, INC
Description:
(4-Fluorobenzyl)triphenylphosphonium chloride 95%
Supplier:
Thermo Scientific Chemicals
Description:
For refilling calomel electrodes
Supplier:
THERMO FISHER SCIENTIFIC CHEMICALS
Description:
Iron(III) chloride hexahydrate 99+% for analysis
Supplier:
Thermo Scientific Chemicals
Description:
(3-Methylallyl)triphenylphosphonium chloride. Grade: 97, Melting Point ca 225-230*[degree]C. Boiling Point C: NA. C22H22ClP. 13138-25-5. IRRITANT HYGROSCOPIC
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the
is still displayed and you need assistance, please call us at 1-800-932-5000.
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