Reaction of CHI3 with six equivalents of CrCl2 in THF at low temperatures affords [Cr3Cl3(μ-Cl)3(μ3-CH)(thf)6] as the primary isolable high-yield CrIII μ3-methylidyne complicated. Substitution of the terminal chlorido ligands by way of salt metathesis with alkali-metal cyclopentadienides generates isostructural half-sandwich chromium(III)-μ3-methylidynes [CpR3Cr3(μ-Cl)3(μ3-CH] (CpR = C5H5, C5Me5, C5H4SiMe3).
Side and decomposition merchandise of the Cl/CpR trade reactions had been recognized and structurally characterised for [Cr4(μ-Cl)4(μ-I)2(μ4-O)(thf)4] and [(η5-C5H4SiMe3)CrCl(µ-Cl)2Li(thf)2]. The Cl/CpR trade drastically modified the ambient-temperature efficient magnetic second μeff from 9.30/9.11 μB (resolution/strong) to three.63/4.32 μB (CpR = C5Me5).
Reactions of [Cr3Cl3(μ-Cl)3(μ3-CH)(thf)6] with aldehydes and ketones produce intricate mixtures of species via oxy/methylidyne trade, which had been partially recognized as radical recombination merchandise via GC/MS evaluation and 1H NMR spectroscopy.

A bespoke reagent free amperometric chloride sensor for consuming water

Chloride quantification is vital in consuming water high quality management. A bespoke, speedy and reagent free electrochemical technique is reported for a easy and correct chloride sensor particularly for mineral water with out the necessity for added electrolyte. The voltammetry used embraces first the discount of oxygen to wash and activate the electrode floor and guarantee reproducibility with out the requirement for any mechanical sharpening, adopted by silver chloride formation and stripping.
A linear correlation was discovered with silver chloride stripping peak currents and chloride concentrations throughout the vary of 0.Four mM to three.2 mM on a silver macro disc electrode. The chloride concentrations in two totally different mineral water samples had been measured giving wonderful settlement with unbiased evaluation.

Development of microwave assisted-UV digestion utilizing diluted reagents for the willpower of complete nitrogen in cereals by ion chromatography

The goal of this work is to develop a microwave assisted-ultraviolet (MW-UV) digestion in the presence of dilute HCl and H2O2 adopted by ion chromatography (IC) measurements for the willpower of complete nitrogen in cereals. This strategy (MW-UV-IC) requires lesser time and doesn’t want environmentally hazardous supplies as used in Kjeldhal technique.
Further, the developed technique requires solely microliter portions of dilute HCl and few milliliters of H2O2 for the matrix digestion and simultaneous conversion of nitrogen to its ionic species for the following evaluation by IC. At the optimized acid concentrations (200 ​μL of 0.1 ​mol ​L-1 HCl) and microwave energy, the nitrogen in the cereals flours is transformed to nitrate (NO3 ), nitrite (NO2 ) and ammonium (NH4 +) ions. The nitrogen species had been separated utilizing IonPac AS-20 and IonPac CS-17 columns after which quantified utilizing suppressed conductivity detection.
The technique was utilized to estimate the overall nitrogen in flours of varied cereals like; wheat (Triticum aestivum), rice (Oryza sativa), finger millet (Eleusine coracana), jowar (Sorghum) and pearl millet (Pennisetum glaucum). The outcomes obtained utilizing proposed technique, had been in good settlement with that of Kjeldhal technique.
Further, the precision of the values obtained by developed technique was on par with the Kjeldhal technique for all of the examined flours as verified by F-test (n ​= ​5 and 95% confidence restrict). Additionally, greenness evaluation instruments like analytical Eco-scale and inexperienced analytical process index (GAPI) steered the proposed MW-UV-IC technique, for the willpower of complete nitrogen in cereal flours, to be excellently inexperienced and secure.

A Cyaphide Transfer Reagent

The cyanide ion performs a key function in a variety of industrially related chemical processes, such because the extraction of gold and silver from low grade ores. Metal cyanide compounds had been arguably among the earliest coordination complexes studied and will be traced again to the serendipitous discovery of Prussian blue by Diesbach in 1706.
By distinction, heavier cyanide analogues, such because the cyaphide ion, C≡P, are just about unexplored regardless of the big potential of such ions as ligands in coordination compounds and prolonged solids. This is in the end as a result of lack of a appropriate synthesis of cyaphide salts.
Beyond Takai´s Olefination Reagent: Persistent Dehalogenation Emerges in a Chromium(III)-µ3-Methylidyne Complex
Herein we report the synthesis and isolation of a number of magnesium-cyaphido complexes by discount of iPr3SiOCP with a magnesium(I) reagent. By analogy with Gringard reagents, these compounds can be utilized for the incorporation of the cyaphide ion into the coordination sphere of metals utilizing a easy salt-metathesis protocol.

Difluoromethylthiolator: A Toolbox of Reagents for Difluoromethylthiolation

ConspectusRecently, the strategic set up of a fluorine atom or a fluoroalkyl group site-selectively on the particular place of the goal molecule has turn into a routine strategy and each day apply for medicinal chemists in their endeavor to high quality tune the construction of the lead compound to enhance its physicochemical properties such because the cell membrane permeability and metabolic stability.
Among many fluoroalkyl teams, the difluoromethylthio group (-SCF2H) has attracted latest intense consideration. Largely as a result of weak acidity of the proton in the difluoromethylthio group, the difluoromethylthio group is usually thought-about to be a lipophilic hydrogen-bonding donor and a bioisostere of the hydroxy/thio group which may work together with the heteroatom of the enzyme by way of a hydrogen bond to enhance the binding selectivity of the drug molecule.
Besides, the difluoromethylthio group is much less lipophilic, much less electron-withdrawing, and fewer steady to the acidic or primary atmosphere than its analogue trifluoromethylthio group (-SCF3), making it simpler to control the metabolic stability of drug molecules.
These useful results render the difluoromethylthio group one of the crucial favorable useful teams in drug design; consequently, there’s an pressing have to develop new methods for the environment friendly introduction of the difluoromethylthio group into small molecules underneath gentle circumstances.
Over the previous couple of a long time, a number of totally different approaches to the preparation of difluoromethylthiolated compounds have been developed, together with the difluoromethylation of thiolated substrates with an electrophilic/nucleophilic difluoromethylating reagent or the insertion of a difluoromethyl carbene into the S-H bond of the thiols.
In distinction, we undertake an alternate strategy to the preparation of difluoromethylthiolated compounds by late-stage direct difluoromethylthiolation of the particular substrates with a difluoromethylthiolating reagent.
With this intention in thoughts, in the final 6 years we have now efficiently developed a toolbox of reagents which can be able to the direct introduction of the difluoromethylthio group into the goal molecules, together with nucleophilic difluoromethylthiolating reagent [(SIPr)AgSCF2H] I, electrophilic difluoromethylthiolating reagent PhthSCF2II, three optically pure difluoromethylthiolating reagents camphorsultam-SCF2III, radical difluoromethylthiolating reagent PhSO2SCF2IV, and reagent PhSO2SCFClH V that may very well be used for the preparation of 18F-labeled [18F]ArSCF2H.

Albumin Depletion Reagent for Plasma and Serum (20 ml)

P5W13 101Bio - Ask for price

Steroid Free Serum

90R-1007 Fitzgerald 50 mL 470.4 EUR
Description: Steroid Free Human Serum

Ecl Detection Reagents

RPN2105 Scientific Laboratory Supplies EACH 724.8 EUR

Ecl Detection Reagents

RPN3004 Scientific Laboratory Supplies EACH 582 EUR

Human IgG (serum origin, purified >97%, low endotoxin, azide free)

20007-1-LE-1 Alpha Diagnostics 1 mg 196.8 EUR

REAGENTS HIGH RANGE AMMONIA

HI73325 Scientific Laboratory Supplies PK25 49.2 EUR

High Range Ammonia Reagents

HI9373301 Scientific Laboratory Supplies EACH 116.4 EUR

Human Serum (CRP free)

90R-100 Fitzgerald 100 ml 1326 EUR
Description: C-reactive protein free normal human serum

Human IgG-Biotin (serum origin, purified >97%, low endotoxin, azide free)

20007-1-LE-BTN Alpha Diagnostics 100 ug 343.2 EUR

Human Serum (FABP free)

90R-109 Fitzgerald 100 ml 1326 EUR
Description: FABP free normal human serum

CryoProtX Mix Reagents 1.5 mL

M-MDSR-61 MiTeGen 1.5 ml ml 37 EUR
Description: CryoProtX Mix Reagents 1.5 mL

Alkphos Direct Labelling Reagents

RPN3680 Scientific Laboratory Supplies EACH 813.6 EUR

Set of 10 Biolipidure Reagents

Biolipidure-set AS ONE International 10mLx10 1820.4 EUR
Description: Set of 10 Biolipidure Reagents, whose applications include Immunoassays, Western blots, Immunohistochemistry, Turbidimetric assays, Immunochromatography, and Bead based assays. Benefits include: No lot to lot variation, No animal derived materials, Non-specific adsorption suppression, Stabilization of immobilized antibody, Stabilization of enzyme-antibody conjugate, Enzyme-substrate reaction enhancement and aggregation reaction enhancement

Serum Free Medium For Mouse Neural Stem Cells

MUXNF-90011 Cyagen 100mL 289 EUR

Human Serum (Myoglobin Free)

90R-110 Fitzgerald 100 ml 1326 EUR
Description: Myoglobin free normal human serum

CryoProtX Mix Eco Reagents 1.5 mL

M-MDSR-61-ECO MiTeGen 1.5 ml ml 37 EUR
Description: CryoProtX Mix Eco Reagents 1.5 mL

PeliKine tool set, additional reagents

M1980 Tecan Benelux 1 unit 177.88 EUR

Human Serum (Troponin I Free)

90R-106 Fitzgerald 100 ml 1417.2 EUR
Description: Troponion I free normal human serum

500mL INSECTAGRO SF9 serum free

13-410-CV Scientific Laboratory Supplies PK6 222 EUR

Bovine Serum Albumin, RNase Free

40200064-1 Bio-WORLD 1 mL 33.37 EUR
Description: BSA

Serum Albumin, Lipid Free Protein

20-abx260049 Abbexa
  • 927.60 EUR
  • 343.20 EUR
  • 627.60 EUR
  • 100 mg
  • 10 mg
  • 50 mg

Serum Free Medium (Type II) For Mouse Embryonic Stem Cells

MUXES-90061 Cyagen 200mL 839 EUR

Serum Free Medium (Type I) For Mouse Embryonic Stem Cells

MUXES-90062 Cyagen 200mL 839 EUR

Bovine Serum Albumin, protease free

GK4012-1KG Glentham Life Sciences 1 kg 1165.2 EUR

Bovine Serum Albumin, protease free

GK4012-500G Glentham Life Sciences 500 g 638.4 EUR

Bovine Serum Albumin, protease free

GK4012-1 Glentham Life Sciences 1 2065.2 EUR

Bovine Serum Albumin, protease free

GK4012-500 Glentham Life Sciences 500 1181.9 EUR

Albumin, Bovine Serum, Globulin Free

01281-26 NACALAI TESQUE 100G 265.3 EUR

Albumin, Bovine Serum, Globulin Free

01281-84 NACALAI TESQUE 50G 153.3 EUR

Albumin, Bovine Serum, Globulin Free

01281-97 NACALAI TESQUE 10G 43.4 EUR

Bradford(Coomassie) Protein Assay Plus Reagents

P7201-050 GenDepot 450ml 225.6 EUR

Freezing Medium (Serum-free & animal origin-free)

PB180438-100mL Elabscience Biotech 100 mL 118 EUR
Description: Supplements & Reagents

Freezing Medium (Serum-free & animal origin-free)

PB180438-50mL Elabscience Biotech 50 mL 65 EUR
Description: Supplements & Reagents

Bovine Serum Albumin, fatty acid free

GX5685-1KG Glentham Life Sciences 1 kg 1442.4 EUR

Bovine Serum Albumin, fatty acid free

GX5685-500G Glentham Life Sciences 500 g 792 EUR

Bovine Serum Albumin, fatty acid free

GX5685-1 Glentham Life Sciences 1 1162.8 EUR

Bovine Serum Albumin, fatty acid free

GX5685-500 Glentham Life Sciences 500 624.9 EUR

Normal Bovine Serum (Protease/IgG free)

88R-1012 Fitzgerald 10 ml 218.4 EUR
Description: Normal Bovine Serum which has been lipid extracted and dialyzed against 10 mM Sodium Phosphate, 0.15 M Sodium Chloride, pH 7.2

Albumin, Bovine Serum, Protease Free, pH5.2

01862-74 NACALAI TESQUE 10G 53.9 EUR

Albumin, Bovine Serum, Protease Free, pH5.2

01862-87 NACALAI TESQUE 100G 178.5 EUR

Human Apolipoprotein AI / B Free Serum Protein

abx060869-100ml Abbexa 100 ml 594 EUR

Corning Lymphocyte Serum Free Medium KBM551

88-551-CM Scientific Laboratory Supplies 1L 201.6 EUR

Corning Lymphocyte Serum Free Medium KBM581

88-581-CM Scientific Laboratory Supplies 1L 266.4 EUR

Fetal Bovine Serum, Premium Tetracyclin Free

F0500-050 GenDepot 500ml 1388.4 EUR

Serum Free Medium For Rat Neural Stem Cells

RAXNF-90011 Cyagen 100mL 289 EUR

Serum Free Complete Medium For Rat Fetal Neuron

RAXFN-90011 Cyagen 100mL 250 EUR

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-1 Bio-WORLD 5 g 22.36 EUR
Description: BSA

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-2 Bio-WORLD 10 g 27.79 EUR
Description: BSA

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-3 Bio-WORLD 25 g 51.82 EUR
Description: BSA

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-4 Bio-WORLD 50 g 78.47 EUR
Description: BSA

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-5 Bio-WORLD 100 g 116.35 EUR
Description: BSA

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-6 Bio-WORLD 250 g 206.54 EUR
Description: BSA

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-7 Bio-WORLD 500 g 358.96 EUR
Description: BSA

Bovine Serum Albumin, Fraction V - Fatty Acid Free

22070023-8 Bio-WORLD 1 kg 583.54 EUR
Description: BSA

Amersham ECL Western Blotting Detection Reagents for 4000cm2 membrane

RPN2106 Scientific Laboratory Supplies EACH 374.4 EUR

Amersham ECL Western Blotting Detection Reagents for 1000cm2 membrane

RPN2109 Scientific Laboratory Supplies EACH 188.4 EUR

Amersham ECL Western Blotting Detection Reagents for 6000cm2 membrane

RPN2134 Scientific Laboratory Supplies 1KIT 572.4 EUR

Amersham ECL Western Blotting Detection Reagents for 2000cm2 membrane

RPN2209 Scientific Laboratory Supplies EACH 291.6 EUR

Mouse Serum

abx098261-100L Abbexa 100 L 155407.2 EUR

Mouse Serum

20-abx098261 Abbexa
  • 1395.60 EUR
  • 326.40 EUR
  • 100 ml
  • 10 ml

Mouse Serum

abx098261-5L Abbexa 5 L 10599.6 EUR

Mouse Serum

abx098262-1ml Abbexa 1 ml 2064 EUR

Free Chlorine Reagent set (25 tests)

HI-701-25 Scientific Laboratory Supplies PK25 10.8 EUR

Bovine Serum Albumin ? Heat Shock, Protease Free, pH 7.0

7919-100 Biovision each 783.6 EUR

Bovine Serum Albumin ? Heat Shock, Protease Free, pH 7.0

7919-25 Biovision each 294 EUR

Bovine Serum Albumin ? Heat Shock, Protease Free, pH 7.0

7919-5 Biovision each 144 EUR

Serum Free Medium For Human Fetal Neural Stem Cells

HUXNF-90011 Cyagen 100mL 289 EUR

Xpro IP Cell Lysis Reagent,SDS Free

X3100-010 GenDepot 100ml 208.8 EUR

Xpro IP Cell Lysis Reagent,SDS Free

X3100-050 GenDepot 500ml 380.4 EUR

HSA Human Serum Albumin Recombinant Protein, Lipid Free

PROTP02768-3 BosterBio Regular: 50mg 565.2 EUR
Description: HSA Human Recombinant lipid reduced produced in Plant is a non-glycosylated, polypeptide chain containing 585 amino acids and having a molecular mass of 67 kDa.

SuperKine™ Serum/Protein-Free Cell Freezing Medium

BMU108-EN-100mL Abbkine 100 mL 109 EUR
Description: SuperKine™ Serum/Protein-Free Cell Freezing Medium is a kind of non programmed, ready-to-use cell freezing medium with clear formula, serum-free and protein-free, which is applicable to most mammalian cells. It can eliminate the potential pathogen contamination or immune reaction risk of serum or protein, so it is safer to use, no need for programmed cooling, and can keep the recovery survival rate of various cells above 95%.

ImmunoGold labeling reagents for (TEM) - Unconjugated gold colloid (GC), 5nm

22716-100 Polysciences Europe GmbH 100ml 932 EUR
Description: 7732-18-5

ImmunoGold labeling reagents for (TEM) - Unconjugated gold colloid (GC), 10nm

22717-100 Polysciences Europe GmbH 100ml 919 EUR
Description: 7732-18-5

ImmunoGold labeling reagents for (TEM) - Unconjugated gold colloid (GC), 15nm

22718-100 Polysciences Europe GmbH 100ml 920 EUR
Description: 7732-18-5

ImmunoGold labeling reagents for (SEM) - Unconjugated gold colloid (GC) 20nm

22719-100 Polysciences Europe GmbH 100ml 932 EUR

EP Reagent Carbon Dioxide Free Water

1095502 Scientific Laboratory Supplies 1L 76.8 EUR

EP Reagent Carbon Dioxide Free Water

1095502TO Scientific Laboratory Supplies 1L 124.03 EUR

Bovine Serum Albumin ? Heat Shock, Fatty Acid Free, pH 7.0

7921-100 Biovision each 1358.4 EUR

Bovine Serum Albumin ? Heat Shock, Fatty Acid Free, pH 7.0

7921-25 Biovision each 535.2 EUR

Bovine Serum Albumin ? Heat Shock, Fatty Acid Free, pH 7.0

7921-5 Biovision each 210 EUR

Purified rat serum albumin protein (RSA, >99%, globulin free)

ALBR13-N-10 Alpha Diagnostics 10 mg 343.2 EUR

Goat Serum (10%) in PBST with Azide

30611260-1 Bio-WORLD 100 ml 33.41 EUR

Goat Serum (10%) in PBST with Azide

30611260-2 Bio-WORLD 250 ml 59.36 EUR

Horse Serum (10%) in PBST with Azide

30611278-1 Bio-WORLD 100 ml 31.76 EUR

Horse Serum (10%) in PBST with Azide

30611278-2 Bio-WORLD 250 ml 59.79 EUR

HaCaT Cells (Serum-Free)

T0020001.1 Addexbio One Frozen vial 570 EUR

Human Serum Albumin Recombinant Protein Tag Free Lyophilized

IHUSERALBRTFLY50UG Innovative research each 398 EUR
Description: Human Serum Albumin Recombinant Protein Tag Free Lyophilized

Bovine Serum Albumin ? Heat Shock, Protease DNASE Free, pH 7.0

7920-100 Biovision each 1096.8 EUR

Bovine Serum Albumin ? Heat Shock, Protease DNASE Free, pH 7.0

7920-1000 Biovision each Ask for price

Bovine Serum Albumin ? Heat Shock, Protease DNASE Free, pH 7.0

7920-25 Biovision each 444 EUR

Bovine Serum Albumin ? Heat Shock, Protease DNASE Free, pH 7.0

7920-5 Biovision each 183.6 EUR

Normal Mouse Serum

88-NM35 Fitzgerald 50 ml 619.2 EUR
Description: Normal Mouse Serum

Normal Mouse Serum

88R-1002 Fitzgerald 5 ml 243.6 EUR
Description: Normal Mouse Serum which has been lipid extracted and dialyzed against 10 mM Sodium Phosphate, 0.15 M Sodium Chloride, pH 7.2

Normal Mouse Serum

BMS0070-10mL Abbkine 10 mL 89 EUR
Description: High quality Normal mouse serum processed from non-immunized normal adult mouses is used as a blocking agent or as a negative control for immunoassays.

Normal Mouse Serum

BMS0070-10mL10 Abbkine 10 mL×10 529 EUR
Description: High quality Normal mouse serum processed from non-immunized normal adult mouses is used as a blocking agent or as a negative control for immunoassays.

Horse Serum (10%) in PBS with Azide, pH 7.4

40120170-1 Bio-WORLD 100 ml 31.76 EUR

Horse Serum (10%) in PBS with Azide, pH 7.4

40120170-2 Bio-WORLD 250 ml 54.54 EUR

Mouse Serum Amyloid P Component (SAP) Reference serum

SAP12-RS Alpha Diagnostics 100 ul 388.8 EUR

Bovine Serum Albumin ? Cohn Fraction V, Fatty Acid Free, pH ? 7.0

7907-100 Biovision each 783.6 EUR

Bovine Serum Albumin ? Cohn Fraction V, Fatty Acid Free, pH ? 7.0

7907-25 Biovision each 294 EUR

Bovine Serum Albumin ? Cohn Fraction V, Fatty Acid Free, pH ? 7.0

7907-5 Biovision each 144 EUR

Bovine Serum Albumin ? Cohn Fraction V, Fatty Acid Free, pH ? 5.2

7908-100 Biovision each 783.6 EUR

Bovine Serum Albumin ? Cohn Fraction V, Fatty Acid Free, pH ? 5.2

7908-25 Biovision each 294 EUR

Bovine Serum Albumin ? Cohn Fraction V, Fatty Acid Free, pH ? 5.2

7908-5 Biovision each 144 EUR

Rabbit control serum (non-immunized, Disease free, SPF Rabbits)

NSPF-1 Alpha Diagnostics 1 ml 343.2 EUR

Rabbit control serum (non-immunized, Disease free, SPF Rabbits)

NSPF-10 Alpha Diagnostics 10 ml 781.2 EUR

Rabbit control serum (non-immunized, Disease free, SPF Rabbits)

NSPF-5 Alpha Diagnostics 5 ml 634.8 EUR

Mouse Serum Albumin

30R-3304 Fitzgerald 10 mg 224.4 EUR
Description: Purified native Mouse Serum Albumin

Myoglobin-Free Serum Protein

abx069893-50ml Abbexa 50 ml 1345.2 EUR

Goat Serum (10%) in TBST Buffer with Azide

30611263-1 Bio-WORLD 100 mL 33.41 EUR

Goat Serum (10%) in TBST Buffer with Azide

30611263-2 Bio-WORLD 250 ml 57.19 EUR
These reagents reacted with a broad vary of substrates to get entry to difluoromethylthiolated compounds effectively, thus offering medicinal chemists a highly effective weapon for the direct introduction of the difluoromethylthio group into promising molecules through the seek for new medication.

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