Organic
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4',5'-Dimethoxy-2'-Hydroxyacetophenone
INDOFINE Chemical CompanyMF: 196.20 CAS: 20628-06-2 Purity: 97%
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Na-Boc-Nß-Allyloxycarbonyl-L-2,3-Diaminopropionic Acid Dicyclohexylammonium Salt
INDOFINE Chemical CompanyMF: C12H21N2O6 . C12H23N MF: 469.56 CAS: 204197-28-4
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Single-component standards are available as stock items. They are supplied in methanol, or in another solvent, where appropriate. Additional solvents include methylene chloride, acetone, benzene, hexane, acetonitrile, THF, and water. Please inquire about the matrix for a particular item when…
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5,6,7,3',4',5'-Hexamethoxyflavone
INDOFINE Chemical CompanyMF: C21H22O8 MF: 402.4 CAS: 29043-07-0 Purity: >98%
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2-(2,4-Dichlorophenyl)-2-(1,2,4-Triazol-1-Yl Methyl)-1,3-Dioxalane-4-Yl Methyl…
INDOFINE Chemical CompanyMF: 408.26 CAS: 115897-54-6 Purity: 98%
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spex (S)-1,2,4-Butanetriol Glyceride Impurity Standards
SPEX CertiPrepBiodiesel is fast becoming an environmentally friendly alternative to petroleum sources. This fuel source is obtained by esterification of oils derived from plants or animals. To meet the demands of this industry, SPEX CertiPrep offers Biodiesel Certified Reference Materials, as well as glyceride…
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Fmoc-Glycyl-Glycyl-Glycine
INDOFINE Chemical CompanyMF: C21H21N3O6 MF: 411.41 CAS: 170941-79-4 Purity: >99%
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Na-Fmoc-Nß-Boc-D-2,3-Diaminopropionic Acid
INDOFINE Chemical CompanyMF: C23H26N2O6 MF: 426.50 CAS: 198544-42-2 Purity: 0.99
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VeriSpec™ Organic Standards, 2 Components
Ricca ChemicalVeriSpec™ Organic Standards 2000 ppm: 2-Bromo-1-chloropropane, Fluorobenzene in Methanol. 2000 ppm: 2-Bromo-1-chloropropane, 1-Chloro-2-fluorobenzene in Methanol ASTM D5580 ISO 17025/Guide 34 24 Month Shelf Life Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility
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6-Fluoro-4-Hydroxycoumarin
INDOFINE Chemical CompanyMF: C9H5FO3 MF: 180.14 CAS: 1994-13-4 Purity: 98%
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Ginsenoside Rf
INDOFINE Chemical CompanyMF: C42H72O14 MF: 801.03 CAS: 52286-58-5 Purity: =98% by HPLC
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spex Acrolein & Acrylonitrile Standards
SPEX CertiPrepUS EPA Method 603 is a general analytical method for the separation of acrolein and acrylonitrile in municipal and industrial wastewater by GC/FID. Application: For US EPA Method 603
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spex® Base/Neutral Surrogate Standard
SPEX CertiPrepCLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by GC/MS.
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spex® Volatiles Mix D
SPEX CertiPrepCLP Series Methods: The US EPA retains analytical services through the Contract Laboratory Program (CLP). The CLP follows detailed SOPs derived from EPA methods and SW-846. The CLP Volatile Organic Analysis Method is an analytical method for the analysis of aqueous or solid samples for VOCs by…
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spex® Prometon Single-Component Organic Standard
SPEX CertiPrepSingle-component standards are available as stock items. They are supplied in methanol, or in another solvent, where appropriate. Additional solvents include methylene chloride, acetone, benzene, hexane, acetonitrile, THF, and water. Please inquire about the matrix for a particular item when…