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Nitrofurazone 59-87-0Appearance:A yellow or brownish-yellow Crystalline powder. PH:5.0~7.0Loss on drying≤0.5%.Sulphated ash≤0.1%Assay:97.0~103.0%read more
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3,4-Dihydroxybenzaldehyde CAS 139-85-5Product Name: 3,4-DihydroxybenzaldehydeCAS No.: 139-85-5Molecular Formula: C7H6O3Molecular Weight: 138.12Melting Point: 150-157 °C (lit.)Boiling Point: 213.5 °C (rough estimate)Density: 1.2667 (roughread more
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4-Hydroxypyridine CAS 626-64-2Product Name: 4-HydroxypyridineCAS No.: 626-64-2Molecular Formula: C5H5NOMolecular Weight: 95.1Melting Point: 150-151 °C (lit.)Boiling Point: 230-235 °C/12 mmHg (lit.)Density: 1.1418 (roughread more
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4-Chlorobenzaldehyde CAS 104-88-1Product Name: 4-ChlorobenzaldehydeCAS No.: 104-88-1Molecular Formula: C7H5ClOMolecular Weight: 140.57Melting Point: 46 °CBoiling Point: 213-214 °CDensity: 1.196Vapor Density: 0.6 (vs air)Vaporread more
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3-Chlorobenzaldehyde CAS 587-04-2Product Name: 3-ChlorobenzaldehydeCAS No.: 587-04-2Molecular Formula: C7H5ClOMolecular Weight: 140.57Melting Point: 9-12 °C (lit.)Boiling Point: 213-214 °C (lit.)Density: 1.241 g/mL at 25 °Cread more
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P-Coumaric Acid CAS 501-98-4Product Name: p-Coumaric acidCAS No.: 501-98-4Molecular Formula: C9H8O3Molecular Weight: 164.16Melting Point: 214 °C (dec.)(lit.)Boiling Point: 231.61 °C (rough estimate)Density: 1.1403 (roughread more
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4-Hydroxycoumarin CAS 1076-38-6Product Name: 4-HydroxycoumarinCAS No.: 1076-38-6Molecular Formula: C9H6O3Molecular Weight: 162.14Appearance: White needle-like crystalsMelting Point: 211-213 °C (lit.)Boiling Point: 228.82 °C (roughread more
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4-Aminoantipyrine CAS 83-07-8Product Name: 4-AminoantipyrineCAS No.: 83-07-8Molecular Formula: C11H13N3OMolecular Weight: 203.24Melting Point: 105-110 °C (lit.)Boiling Point: 340 °CBulk Density: 430 kg/m³Density: 0.8Refractiveread more
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4-Formylbenzoic Acid CAS 619-66-9Product Name: 4-Formylbenzoic acidCAS No.: 619-66-9Molecular Formula: C8H6O3Molecular Weight: 150.13Melting Point: 247 °C (lit.)Boiling Point: 231.65 °C (rough estimate)Bulk Density: 396read more
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Terephthalaldehyde CAS 623-27-8Product Name: TerephthalaldehydeCAS No.: 623-27-8Molecular Formula: C8H6O2Molecular Weight: 134.13Melting Point: 114-116 °C (lit.)Boiling Point: 245-248 °C (lit.)Density: 1.06 g/cm3Vapor Pressure:read more
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5-sulfosalicylic Acid 5965-83-3Appearance:White or off white crystal. Total acidity:99%-105%. sulfate radical:≤5.5%. Water content:≤22%read more
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5-bromo-1-pentene 1119-51-3Appearance Colorless to light yellow transparent liquid. Assay ≥98%. Water ≤0.3%read more
Web1 day ago · These synthetic intermediates can be intercepted in situ allowing direct access to enantiopure sulfoximines and sulfonimidamides in a single step from tert-butyl...
WebApr 11, 2023 · Synthesis of 4-hydroxybut-2-ynoates 42 from carbonyl compounds and lithiated propynoates 41. Epoxides serve as both building blocks and synthetic...
WebSynthetic intermediates potentially useful for the synthesis of tetrodotoxin and derivatives. II. Reaction of diazomethane with some shikimic acid derivatives John F. W. Keana and...
WebMay 3, 2023 · To optimize the original synthetic route, we applied a new strategy capable of improving the reaction yields and the purity of the intermediates and of the final product 1, using...
WebAug 20, 2020 · We rank ordered resolving agents, solvents, and resolving agent/solvent combinations by applying the -score method on the ee of...
WebThe transformation of an advanced synthetic intermediate into a whole family of naturally occurring molecules April 5 2017 A research collaboration between A*STAR and the...
