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  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :1121-78-4 product name: 3-hydroxy-6-methylpyridinealias: 6-methyl-3-pyridinolstructural formula: molecular formula: c6h7nomolecular weight: 109.13cas no.: 1121-78-4einecs no.: 214-337-8physicochemical property: density: 1.12g/cm3melting point: 168-171°cboiling point: 295.8°c at 760 mmhgflash point: 132.7°cpurity: 99%   cas registry number: 1121-78-4   synonyms: ;6-methyl-3-pyridinol;2-methyl-5-hydroxypyridine;3-pyridinol, 6-methyl-;5-hydroxy-2-methylpyridine;6-methylpyridin-3-ol ;6-methylpyridin-3-ol;   molecular formula: c6h7no   molecular weight: 109.1259   molecular…

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :74879-18-8 product name: (s)-(+)-2-methylpiperazinemolecular formula: c5h12n2molecular weight: 100.16cas no.: 74879-18-8physicochemical property: melting point: 86-91ºcboiling point: 155-156ºcflash point: 65ºcspecific rotation: 13.5º(c=1, toluene)water-solubility: solublepurity: >99.0%(t)usage: chiral groups are widely used in the synthesis of chiral drugs. the earliest state a class of drugs used in…

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :19777-67-4 product name: (r)-(+)-1,2-diaminopropane dihydrochloridealias: (r)-(+)-1,2-propylenediamine dihydrochloridemolecular formula: c3h10n2.2(hcl)molecular weight: 147.05cas no.: 19777-67-4physicochemical property: melting point: 241-244ºcspecific rotation: 4º(c=20 in h2o)purity: >98.0%(gc)   cas registry number: 19777-67-4   synonyms: ;(r)-(+)-propylenediamine dihydrochloride;(r)-1,2-diaminopropane dihydrochloride;(2r)-propane-1,2-diamine;1-aminopropan-1-aminium chloride;(r)-(+)-1,2-diaminopropane dihydrochloride;(r)-(+)-1,2-diaminopropane dihydrochloride;   molecular formula: c3h11cln2   molecular weight: 110.5858   molecular structure:   hazard symbols:…

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :15250-41-6 product name: (+)-1,2-diaminopropanetetraacetic acidalias: (s)-(+)-1,2-diaminopropane-n,n,n’,n’-tetraacetic acidmolecular formula: c11h18n2o8molecular weight: 306.27cas no.: 15250-41-6density: 1.505g/cm3boiling point: 604.9°c at 760 mmhgflash point: 319.6°cpurity: 98%   cas registry number: 15250-41-6   synonyms: ;(s)-(+)-1,2-diaminopropane-n,n,n’,n’-tetraacetic acid;2,2′,2”,2”’-[(2s)-propane-1,2-diyldinitrilo]tetraacetic acid;   molecular formula: c11h18n2o8   molecular weight: 306.2692   molecular structure:

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :35132-20-8 product name: (1r,2r)-(+)-1,2-diphenylethylenediaminealias: (1r,2r)-(+)-1,2-diphenyl-1,2-ethanediamine; (1r,2r)-(+)-1,2-diamino-1,2-diphenylethanemolecular formula: c14h16n2molecular weight: 212.29cas no.: 35132-20-8physicochemical property: melting point: 81-84ºcboiling point: 353.9°c at 760 mmhgflash point: 199.9°cspecific rotation: 104º(c=1.1, meoh 25ºc)purity: 95% hplcusage: is important to have a c2-symmetry axis of the chiral reagent. has been widely…

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :29841-69-8 product name: (1s,2s)-(-)-1,2-diphenyl-1,2-ethanediaminemolecular formula: c14h16n2molecular weight: 212.29cas no.: 29841-69-8physicochemical property: melting point: 81-84ºcdensity: 1.106g/cm3refractive index: -103°(c=1, etoh)storage conditions: 2-8°cspecific rotation: -104º(c=1.1, meoh 25ºc)purity: 99%usage: widely used in asymmetric synthesis and optical resolution, such as the asymmetric hydroxylation of olefins, asymmetric aldol condensation…

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :23190-16-1 product name: (1r,2s)-2-amino-1,2-diphenylethanolmolecular formula: c14h15nomolecular weight: 213.28cas no.: 23190-16-1physicochemical property: melting point: 142-144ºcspecific rotation: -7º(c=0.6, etoh)purity: 98% hplc   cas registry number: 23190-16-1   synonyms: ;(1r,2s)-2-amino-1,2-diphenylethanol;(1r,2s)-(-)-amino-1,2,-diphenylethanol;(1r,2s)-(-)-2-amino-1,2-dipenylethanol;(1r,2s)-(-)-1,2-diphenylhydroxyethylamine;   molecular formula: c14h15no   molecular weight: 213.275   molecular structure:   hazard symbols:  xi:irritant;   risk codes: r36/37/38:;   safety description: s26:;s36:;

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :23364-44-5 product name: (1s,2r)-2-amino-1,2-diphenylethanolmolecular formula: c14h15nomolecular weight: 213.28cas no.: 23364-44-5physicochemical property: melting point: 142-144ºcspecific rotation: 7º(c=0.6, etoh)purity: 98% hplc   cas registry number: 23364-44-5   synonyms: ;(1s,2r)-2-amino-1,2-diphenylethanol;1s,2r)-(+)-2-amino-1,2-diphenylethanol;(1s,2r)-(+)-diphenyl-2-aminoethanol;benzeneethanol, b-amino-a-phenyl-, (as,br)-;2-amino-1,1-diphenylethanol;(1r,2s)-2-hydroxy-1,2-diphenylethanaminium;(1s,2r)-(-)-2-amino-1,2-diphenylethanol;   molecular formula: c14h16no   molecular weight: 214.2824   molecular structure:   hazard symbols:  xi:irritant;   risk codes: r36/37/38:;   safety description:…

  post date: sep 18,2021   expiry date: sep 18,2022   detailed description: cas no. :28679-16-5 product name: trimethylhexamethylene diisocyanatemolecular formula: c11h18n2o2molecular weight: 210.27cas no.: 28679-16-5physicochemical property:boiling point: 149°cdensity: 1.02 g/cm3purity: 97.0%(gc)   cas registry number: 28679-16-5   synonyms: ;trimethylhexamethylene diisocyanate (2,2,4- and 2,4,4- mixtures);1,6-diisocyanato-5,6-dimethylheptane;1,6-diisocyanato-2,2,4-trimethylhexane-1,6-diisocyanato-2,4,4-trimethylhexane (1:1);trimethylhexamethylene diisocyanate;   molecular formula: c22h36n4o4   molecular weight: 420.5456   molecular structure: