Organic
-
spex® p-Xylene 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…
-
6-Bromo-4-Hydroxycoumarin
INDOFINE Chemical CompanyMF: C9H5BrO3 MF: 241.05 CAS: 4139-61-1 Purity: 99%
-
-
5,7,4'-Trimethoxyflavone
INDOFINE Chemical CompanyMF: C18H16O5 MF: 312.33 CAS: 5631-70-9 Purity: >99%
-
-
-
Ginsenoside Rb2
INDOFINE Chemical CompanyMF: C53H90O22 MF: 1079.29 CAS: 11021-13-9 Purity: =90% by HPLC
-
spex® Ethylene Oxide 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…
-
spex® Ethanol Analytical Standard
SPEX CertiPrepConsumer Safety Standards Analytical Standards for Wine is a complex combination of water, alcohol and other substances such as organic acids, phenols, sugars, carbon dioxide, and sulfur dioxide. The chemical interactions of these compounds, combined with the aging process, determine the quality of…
-
-
-
-
Na-Fmoc-Nß-Z-L-2,3-Diaminopropionic Acid
INDOFINE Chemical CompanyMF: C26H24N2O6 MF: 460.50 CAS: 204316-36-9 Purity: >99% by HPLC
-
-
spex® Ethyl Acetate 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…
-
-
Z-L-Glutamic Acid a-Methylester
INDOFINE Chemical CompanyMF: C14H17NO6 MF: 295.29 CAS: 5672-83-3 Purity: >98% by HPLC
-
spex® HMX 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…
-
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.
-
-
spex Volatile Organics Combination Analyte Mix
SPEX CertiPrepUS EPA Method 624 is a general analytical method for the monitoring of VOCs in municipal and industrial wastewater by GC/MS. Application: For US EPA Method 624
-
-
Na-Boc-Nß-Allyloxycarbonyl-L-2,3-Diaminopropionic Acid
INDOFINE Chemical CompanyMF: C12H21N2O6 MF: 288.38 CAS: 161561-83-7 Purity: >98.5%
-
Na-Boc-Nß-Fmoc-D-2,3-Diaminopropionic Acid
INDOFINE Chemical CompanyMF: C23H26N2O6 MF: 426.48 CAS: 131570-56-4 Purity: >99% by HPLC
-
Na-Fmoc-Nß-Allyloxycarbonyl-D-2,3-Diaminopropionic Acid
INDOFINE Chemical CompanyMF: C22H22N2O6 MF: 410.53 CAS: 178924-05-5 Purity: >99% by HPLC
-
Na-Fmoc-Nß-Boc-L-2,3-Diaminopropionic Acid
INDOFINE Chemical CompanyMF: C23H26N2O6 MF: 426.46 CAS: 162558-25-0 Purity: 0.99
-
-
-
Phthaloyl-L-Isoleucine
INDOFINE Chemical CompanyMF: C14H15NO4 MF: 261.27 CAS: 29588-88-3 Purity: 0.997
-
-
6-Fluoro-4-Hydroxycoumarin
INDOFINE Chemical CompanyMF: C9H5FO3 MF: 180.14 CAS: 1994-13-4 Purity: 98%