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CAS 616-45-5 Intermediate Solvent 99 min 2-pyrrolidinone

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  • 2-Pyrrolidinone CAS#: 616-45-5

    2021-4-11 · 2-Pyrrolidinone is a widely used organic polar solvent for various applications. 2-Pyrrolidinone is also an intermediate in the manufacture of polymers. Definition: ChEBI: The simplest member of the class of pyrrolidin-2-ones, consisting of pyrrolidine in which the hydrogens at position 2 are replaced by an oxo group.

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  • 2-Pyrrolidinone CAS 616-45-5 – SDCY CHEM

    2021-4-9 · 2-Pyrrolidinone is used as a derivative in pharmaceuticals such as cotinine, doxapram, piracetam, povidone and ethosuximide. It is used as a solvent and an intermediate in polymers, inkjet cartridges, tone and colorant products.

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  • 2-Pyrrolidinone | 616-45-5

    2-Pyrrolidone, also known as pyrrolidone, azone, butyrolactam. It is a colorless crystal that can be used as a solvent and intermediate in organic synthesis, as well as to make nylon 4 and vinyl pyrrolidone. CAS No.: 616-45-5 Molecular Formula: C4H7NO Molecular …

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  • Find Pure, Colorless 2 pyrrolidone for Varied Uses ...

    2-Pyrrolidinone is a widely used organic polar solvent for various applications. 2-Pyrrolidinone is also an intermediate in the manufacture of polymers. Definition ChEBI: The simplest member of the class of pyrrolidin-2-ones, consisting of pyrrolidine in which the hydrogens at position 2 …

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  • Find Pure, Colorless nfm chemical solvents for Varied

    2-pyrrolidinone 2 pyrrolidone, CAS NO: 616-45-5. US 10.00-50.00 ... CAS 616-45-5 high boling point organic solvent 2 ... a pyrrolidone high quality 2 pyrrolidone methyl pyrrolidone n methyl pyrrolidone 99.5% min n methyl 2 suppliers n methyl 2 pyrrolidone 99%min bitumen solvent suppliers a 2 pyrrolidone 99.5% n methyl 2 pyrrolidone nmp ...

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  • 2-Pyrrolidinone | C4H7NO - PubChem

    Chemical Solvent Customized Good Quality Chemical Solvent 99%min Butyl Glycol Ether 111-76-2. US 10.00-12.00 Kilogram. 1 Kilogram (Min Order) ... CAS 616-45-5 Intermediate Solvent 99%min 2-pyrrolidinone. US 2.00-3.00 Kilogram. 200.0 Kilograms ... Pyrrolidinone and many more types of nfm chemical solvents at their purest state.

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  • Disinfectant & Dye intermediate for sale from China

    2-Pyrrolidinone(CAS 616-45-5) 2-p manufacturer FOB Price: USD 2 - 5 Kilogram Min. Order: 200 Kilograms; 2-pyrrolidone cas 616-45-5 veterinary solvent 2-pyrrolidone/2-p manufacturer FOB Price: USD 2 - 5 Kilogram Min. Order: 200 Kilograms; excellent drug or veterinary solvent 2-pyrrolidinone 99.5% FOB Price: USD 2 - 5 Kilogram Min. Order ...

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  • 2-pyrrolidone | Sigma-Aldrich

    Synonym: (R)-5-Oxoproline ethyl ester, D-5-Oxo-2-pyrrolidinecarboxylic acid ethyl ester, D-Pyroglutamic acid ethyl ester, Ethyl 5-oxo-D-proline, Ethyl pyroglutamate Empirical …

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  • 2-Pyrrolidinone | 616-45-5

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  • Hefei Tengchao Chemical Materials Co., Ltd. - N

    nvp n-vinyl-pyrrolidone solvent FOB Price: USD 4.31 Kilogram Min. Order: 1 Kilograms; 2-Pyrrolidinone 99.5% CAS NO.616-45-5 FOB Price: USD 2.13 Kilogram Min. Order: 1 Kilograms; raw material of pigment cas no 872-50-4 nmp FOB Price: USD 1.78 Kilogram Min. Order: 1 Kilograms; solvent nmp used in pesticide 872-50-4 FOB Price: USD 1 ...

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  • CAS No.2687-94-7,2-Pyrrolidinone,1-octyl- Suppliers

    Product Name 1-Octyl-2-Pyrrolidinone CAS No. 2687-94-7 EINECS Shaanxi Mingqi Chemical Co., Ltd is committed to the development of import and export trade in the production, operation and plant extracts of pharmaceutical raw materials and inte

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  • CAS No. 1236033-34-3 | Sigma-Aldrich

    Search results for 1236033-34-3 at Sigma-Aldrich

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  • 2687-94-7 N-Octyl-2-pyrrolidone Suppliers,CAS

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  • CAS No.72432-10-1,2-Pyrrolidinone,1-(4

    Min.Order: 5 Metric Ton. FOB Price: USD 1.0-2.0/Metric Ton. Aniracetam CAS: 72432-10-1 Mol. Formula: C12H13NO3 Mol. Weight: 219.24 Purity: 99.0% min Standard: Pharm grade with GMP Aniracetam Benefits As stated above, Aniracetam can have many off-label uses. It is considered a fairly safe . Welcome to Henan Sinotech!

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  • 85909-08-6|tert-Butyl 2-oxopyrrolidine-1-carboxylate|

    To a solution of 2-pyrrolidone (5.99 g, 70.38 mmol, 1 equiv) in CH 3 CN (130 mL) were added successively (Boc) 2 O (18.43 g, 84.46 mmol, 1.2 equiv) and DMAP (0.86 g, 7.04 mmol, 0.1 equiv) at room temperature. The reaction mixture was stirred at this temperature for 14 h then the solvent was removed in vacuo.

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    Search results for gas chromatografy at Sigma-Aldrich. Compare Products: Select up to 4 products. *Please select more than one item to compare

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  • Reversible Humidity-Driven Transformation of a

    The resulting average τ values w 274.0(7) μs and 280.5(2) μs for 1 and 2, respectively, are intermediate among Eu III complexes indicating rather moderate overall emission efficiency, and the presence of significant emission de-activation pathways, which can be ascribed to the large number of O–H, C–H, and N–H oscillators in close ...

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  • Surface pKa of Saturated Carboxylic Acids at the

    2021-3-12 · In the present study a theoretical approach is proposed for the pKa estimation of monolayers at the air/water interface on the basis of saturated carboxylic acids. This model involves calculating only the Gibbs energies of formation and dimerization of carboxylic acid associates in the neutral and dissociated forms, as well as the corresponding monomers in the water and gas phases. The model ...

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  • China Mek Solvent,Cas 108-94-1,Ketone Solvents

    Specification Product name 2 Pyrrolidinone CAS NO 616 45 5 EINECS NO 210 483 1 Molecular formula C4H7NO Molecular weight 85 1 Application 2 Pyrrolidone is an consisting of a five membered It is a colorless liquid which is used in industrial settings...

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  • N methylpyrrolidone cas' Keyword Found Websites

    2-Pyrrolidone CAS 616-45-5,2-pyrrolidone is a colorless to sightly yellow liquid,with a faint amine odor.2-P is a high-polar solvent and it is miscible with water and conventional organic solvents. Buy N-Methyl-2-pyrrolidinone(NMP) CAS 872-50-4,N-Methyl-2

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  • 85909-08-6|tert-Butyl 2-oxopyrrolidine-1-carboxylate|

    To a solution of 2-pyrrolidone (5.99 g, 70.38 mmol, 1 equiv) in CH 3 CN (130 mL) were added successively (Boc) 2 O (18.43 g, 84.46 mmol, 1.2 equiv) and DMAP (0.86 g, 7.04 mmol, 0.1 equiv) at room temperature. The reaction mixture was stirred at this temperature for 14 h then the solvent was removed in vacuo.

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  • (PDF) Graph Machine Based-QSAR Approach for

    2-pyrrolidinone 3.66 4.02 ogst110152_PORCHERON 23/07/13 10:23 Page 479 Oil & Gas Science and Technology – Rev. IFP Energies nouvelles, Vol. 68 (2013), No. 3

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  • Surface pKa of Saturated Carboxylic Acids at the

    2021-3-12 · In the present study a theoretical approach is proposed for the pKa estimation of monolayers at the air/water interface on the basis of saturated carboxylic acids. This model involves calculating only the Gibbs energies of formation and dimerization of carboxylic acid associates in the neutral and dissociated forms, as well as the corresponding monomers in the water and gas phases. The model ...

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  • Quantitative analysis of headspace volatile

    2014-5-1 · The quantitative determination of volatile compounds of Chardonnay wines using HS-SPME-GC × GC/TOFMS along with the determination of odor activity value (OAV) and relative odor contribution (ROC) of volatiles are reported for the first time.The use of GC × GC/TOFMS for the analysis of Chardonnay wine of Serra Gaucha resulted in the tentative identification of 243 compounds, showing …

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  • Activation of Alcohols with Carbon Dioxide:

    2019-5-26 · The direct coupling of allyl alcohols with nitroalkanes, nitriles, and aldehydes using catalytic Pd(PPh3)4 has been accomplished via activation of C–OH bonds with CO2. The in situ formation of carbonates from alcohols and CO2 facilitates oxidative addition to Pd to form reactive π-allylpalladium intermediates. In addition, the formation of a strong base activates nucleophiles toward the ...

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  • Databook of solvents [2nd edition] 9781927885451 ...

    Handbook of solvents [3rd edition] 9781927885383, 1927885388, 9781927885413, 1927885418, 9781927885420. 379 69 45MB Read more. Databook of antioxidants 9781927885536, 9781927885543, 1927885531. Databook of Antioxidantsis divided into five sections covering general information, physical properties, health and safe. 190 29 3MB Read more.

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  • Equilibrium solubility of exo-5,6

    2020-8-15 · Chemically named as exo-3,6-epoxy-1,2,3,6-tetrahydrophthalic acid anhydride, exo-5,6-dehydronorcantharidin (Fig. 1, CASRN: 6118-51-0, C 8 H 6 O 4) is a white crystalline with molecular weight of 166.13 g·mol −1 and density of 1.54 g∙cm-3 [].Exo-5,6-dehydronorcantharidin is a crucial pharmaceutical intermediate in the synthesis of exo-7-oxabicyclo [2.2.1] heptane-2,3-dicarboxylic acid ...

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  • A fine-tuned azobenzene for enhanced

    The typical gradient was from 10% B for 0.5 min gradient to 90% B over 4.5 min 90% B for 0.5 min gradient to 99% B over 0.5 min with 1 mL/min flow, or ii) an Agilent 1260 Infinity II LC System equipped with Agilent SB-C18 column (1.8 μm, 2.1 × 50 mm). Buffer A: 0.1% FA in H 2 …

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  • N methylpyrrolidone cas' Keyword Found Websites

    2-Pyrrolidone CAS 616-45-5,2-pyrrolidone is a colorless to sightly yellow liquid,with a faint amine odor.2-P is a high-polar solvent and it is miscible with water and conventional organic solvents. Buy N-Methyl-2-pyrrolidinone(NMP) CAS 872-50-4,N-Methyl-2

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  • Databook of solvents [2nd edition] 9781927885451 ...

    CAS #-78-83-1 IUPAC name 2-methylpropan-1-ol Common name isobutanol Common synonym 2-methyl-1-propanol Empirical formula-C4H10O Formula O H Molecular mass daltons 74.14 RTECS number-NP9625000 Chemical category-alcohol Mixture-N EC number-201-148-0 Product contents isobutanol, 99.5% PHYSICAL PROPERTIES State-L Odor-sweet, musty Odor threshold ...

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  • A fine-tuned azobenzene for enhanced

    Gutzeit et al. report a chemical screen that reveals an urea-conjugated azobenzene with optimal photoswitching properties. This enables the development and characterization of optimized tethered and freely diffusible photoswitchable ligands for GPCRs and ion channels, including the rapid manipulation of working memory via mGluR2 photo-activation in vivo in freely moving mice.

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  • Defence and Strategic Goods List Amendment

    2020-8-22 · Part 1 — Munitions list. Note 1: Terms in “quotations” are defined terms. Refer to ‘Definitions of Terms used in these Lists’ annexed to this List. Note 2: In some instances chemicals ar e l isted by name and CAS number. The list applies to chemicals of the same structural formula (including hydrates) regardless of name or CAS number.

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  • Phase2 drugs « New Drug Approvals « Page 11

    A mixture of Cs 2 CO 3 (62.1 g, 191 mmol), 5-bromo-N,N- dimethylpyrimidine-2-carboxamide (SM-2: 24g, 104mmol) and ethyl 4- hydroxy-2-methylbenzofuran-6-carboxylate (1-1 c: 2Og, 91 mmol); 1 ,10- phenanthroline (1.64g, 9.07mmol) and copper iodide (864mg, 4.54mmol) in dimethylformamide (200ml) was purged with N 2 gas and then heated to 90°C using ...

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  • (PDF) Ethylene-co-norbornene Copolymerization

    T oluene used as reaction solvent was purified by distillation from Na. ... and the solution was stirred for an additional 45 min. ... 19 1+2 2.8 56 7.9 158 51 5.5 140 99 2.2 4.

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  • (PDF) W L.F Armarego, D D.Perrin - Purification of ...

    W L.F Armarego, D D.Perrin - Purification of Laboratory Chemicals. 4th edition

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  • Qualigens , Fisher Chemicals , Glasswear Price List

    2018-11-18 · Qualigens , Fisher Chemicals , Glasswear Price List 2014-15 - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free.

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  • BIOFILTER EFFICIENCY & EMISSIONS REPORT – Q2 2016

    2016-7-31 · 2 H 3 Cl 2.0 + 0.6 + 9.99 5 Vinyl-1-cyclohexene, 4-Butadiene dimer, 4-Ethenylcyclohexene 100-40-3 C 8 H 12 0.6 + 0.56 + 9.83 0.1 Vinylidene chloride see 1,1-Dicholorethene Vinyl-2-pyrrolidinone, 1-NVP, N-vinylpyrrolidone, 1-ethenyl-2-pyrrolidinone 88-12-0 C 6 H 9 NO 1.0 + 0.8 + 0.9 + ne Viscor 120B see Mineral Spirits—Viscor 120B Calibration ...

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    2021-2-26 · 2 173 170 59.11 5.99 3.99 6.9260000000000002 1044 210.84 73 172 120 114.23 5.76 0.59599999999999997 210.6 114.23 5.7477 0.59599999999999997 6.8120000000000003 1257.8 220.74 76 212 211 ...

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  • US 8372873 B2 - Inhibitors Of Serine Proteases - The

    2019-8-6 · Room B1125, Jintong international Building, No.113, 111,Huayuangang Street, Gong shu District, Hangzhou, Zhejiang Province, China:+86-571-85378921

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  • A fine-tuned azobenzene for enhanced

    Related U.S. Patent Documents (63). Continuation of application No. 11/711,845, filed on Feb. 27, 2007, now Pat. No. 7,964,624 , which is a continuation-in-part of ...

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  • US 2012/0015926 A1 - Compounds For The

    Gutzeit et al. report a chemical screen that reveals an urea-conjugated azobenzene with optimal photoswitching properties. This enables the development and characterization of optimized tethered and freely diffusible photoswitchable ligands for GPCRs and ion channels, including the rapid manipulation of working memory via mGluR2 photo-activation in vivo in freely moving mice.

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  • CAS

    CAS #-78-83-1 IUPAC name 2-methylpropan-1-ol Common name isobutanol Common synonym 2-methyl-1-propanol Empirical formula-C4H10O Formula O H Molecular mass daltons 74.14 RTECS number-NP9625000 Chemical category-alcohol Mixture-N EC number-201-148-0 Product contents isobutanol, 99.5% PHYSICAL PROPERTIES State-L Odor-sweet, musty Odor threshold ...

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  • US Patent for Beta-lactamase inhibitors Patent (Patent ...

    2019-12-9 · 2 2018-03-03 44.99 X, 156 This text provides essential modeling skills and methodology for the study of infectious diseases through a one-semester modeling course or directed individual studies.? The book includes mathematical descriptions of epidemiological ...

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  • Homepage - Texas Commission on Environmental Quality ...

    This invention pertains generally to compounds of Formula (A), as further described herein, which act as beta-lactamase inhibitors, and salts, crystalline forms and formulations thereof. In certain aspects, the invention pertains to methods of using such compounds in combination with a beta-lactam antibiotic to treat infections caused by Gram-negative bacteria, including drug-resistant strains.

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  • Defence and Strategic Goods List Amendment

    2021-2-26 · 2 173 170 59.11 5.99 3.99 6.9260000000000002 1044 210.84 73 172 120 114.23 5.76 0.59599999999999997 210.6 114.23 5.7477 0.59599999999999997 6.8120000000000003 1257.8 220.74 76 212 211 ...

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