
Spectroscopy Standards
Spectroscopy standards are critical reference materials used for accurate and reliable spectroscopic determinations. This category includes a variety of standards essential for different spectroscopic techniques, such as atomic absorption standards and atomic emission standards, which are vital for precise measurement of metal concentrations. Additionally, the category encompasses standards for spin resonance, crucial for Electron Spin Resonance (ESR) and Nuclear Magnetic Resonance (NMR) spectroscopy, ensuring accurate calibration and validation of these instruments. Spectrophotometry standards are also included, providing benchmarks for the quantitative analysis of light absorption in various samples. These standards play a pivotal role in ensuring the accuracy, consistency, and reproducibility of spectroscopic measurements across numerous scientific and industrial applications, including environmental analysis, pharmaceutical testing, and materials research. By offering high-purity reference materials, spectroscopy standards support the development of reliable analytical methods and the maintenance of stringent quality control protocols.
Subcategories of "Spectroscopy Standards"
- Atomic Absorption Standards(128 products)
- Atomic Emission Standards(37 products)
- Electron Spin Resonance (ESR/EPR) Spectroscopy(42 products)
- Spectrophotometry Standards(72 products)
Found 1357 products of "Spectroscopy Standards"
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7-Diethylamino-4-methylcoumarin
CAS:Formula:C14H17NO2Purity:>98.0%(GC)(T)Color and Shape:White to Amber to Dark green powder to crystalMolecular weight:231.30Deuterium Oxide 99.8atom%D
CAS:Formula:D2OColor and Shape:Colorless to Almost colorless clear liquidMolecular weight:20.03Erythrosine B
CAS:Formula:C20H6I4Na2O5Purity:>95.0%(E)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:879.86Ethidium Bromide
CAS:Formula:C21H20BrN3Purity:>95.0%(T)(HPLC)Color and Shape:Orange to Brown to Dark purple powder to crystalMolecular weight:394.32ANS-NH4 (=Ammonium 8-Anilino-1-naphthalenesulfonate) [Hydrophobic fluorescent probe]
CAS:Formula:C16H16N2O3SPurity:>95.0%(T)(HPLC)Color and Shape:Light yellow to Amber to Dark green powder to crystalMolecular weight:316.38Glycerol [Matrix for FABMS and liquid SIMS]
CAS:Formula:C3H8O3Purity:>99.0%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:92.09Bathocuproine
CAS:Formula:C26H20N2Purity:>95.0%(T)(HPLC)Color and Shape:White to Light yellow to Green powder to crystalineMolecular weight:360.461,1,4,4-Tetraphenyl-1,3-butadiene
CAS:Formula:C28H22Purity:>99.0%(HPLC)Color and Shape:White to Almost white powder to crystalMolecular weight:358.48Boron Trifluoride - Ethyl Ether Complex
CAS:Formula:BF3·C4H10OPurity:>98.0%(W)Color and Shape:Colorless to Yellow to Orange clear liquidMolecular weight:141.93(R)-(-)-1-(1-Naphthyl)ethyl Isocyanate
CAS:Formula:C13H11NOPurity:>90.0%(GC)Color and Shape:Colorless to Light yellow to Light orange clear liquidMolecular weight:197.24Fluorescein Chloride [Reagent for Amines]
CAS:Formula:C20H10Cl2O3Purity:>95.0%(HPLC)Color and Shape:Light yellow to Yellow to Orange powder to crystalMolecular weight:369.20[[(4-Ethyl-3,5-dimethyl-1H-pyrrol-2-yl)(4-ethyl-3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane)
CAS:Formula:C18H25BF2N2Purity:>98.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalineMolecular weight:318.22[[(3,5-Dimethyl-1H-pyrrol-2-yl)(3,5-dimethyl-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane) (purified by sublimation)
CAS:Formula:C14H17BF2N2Purity:>99.5%(GC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:262.114-Glycidyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C12H22NO3Purity:>95.0%(GC)(T)Color and Shape:Orange to Brown powder to crystalMolecular weight:228.31Sulfonfluorescein
CAS:Formula:C19H12O6SPurity:>75.0%(T)(HPLC)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:368.36(S)-(+)-2-Phenylpropionic Acid
CAS:Formula:C9H10O2Purity:>98.0%(GC)(T)Color and Shape:White or Colorless to Light yellow powder to lump to clear liquidMolecular weight:150.184-Methoxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical [Catalyst for Oxidation]
CAS:Formula:C10H20NO2Purity:>98.0%(GC)(T)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:186.283,3'-Diaminobenzidine
CAS:Formula:C12H14N4Purity:>98.0%(HPLC)Color and Shape:White to Brown powder to crystalMolecular weight:214.275-Amino-1-naphthol
CAS:Formula:C10H9NOPurity:>97.0%(T)(HPLC)Color and Shape:Purple to Dark purple to Dark red powder to crystalMolecular weight:159.19Bis(3-methyl-1-phenyl-5-pyrazolone) [for Determination of CN, Vitamin B12, etc]
CAS:Formula:C20H18N4O2Purity:>97.0%(T)Color and Shape:White to Orange to Green powder to crystalMolecular weight:346.394-Bromobenzoic Acid
CAS:Formula:C7H5BrO2Purity:>98.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:201.02(S)-(+)-α-Methoxyphenylacetic Acid
CAS:Formula:C9H10O3Purity:>98.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:166.18Coumarin 153
CAS:Formula:C16H14F3NO2Purity:>95.0%(T)(HPLC)Color and Shape:Light yellow to Yellow to Orange powder to crystalineMolecular weight:309.293-Amino-4-hydroxybenzoic Acid
CAS:Formula:C7H7NO3Purity:>97.0%(T)(HPLC)Color and Shape:White to Gray to Brown powder to crystalMolecular weight:153.142,5-Dihydroxybenzoic Acid [Matrix for MALDI-TOF/MS]
CAS:Formula:C7H6O4Purity:>99.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:154.12(1S,2S)-(+)-N,N'-Dimethylcyclohexane-1,2-diamine
CAS:Formula:C8H18N2Purity:>98.0%(GC)Color and Shape:White to Light yellow to Light orange powder to lumpMolecular weight:142.25[[(3,5-Dimethyl-4-sulfo-1H-pyrrol-2-yl)(3,5-dimethyl-4-sulfo-2H-pyrrol-2-ylidene)methyl]methane](difluoroborane) Disodium Salt
CAS:Formula:C14H15BF2N2Na2O6S2Purity:>96.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:466.19TPPS (=Tetraphenylporphyrin Tetrasulfonic Acid) [Ultra-high sensitive spectrophotometric reagent for transition metals]
CAS:Formula:C44H30N4O12S4Purity:>85.0%(HPLC)Color and Shape:Dark blue powder to crystalMolecular weight:934.985-Chlorosalicylic Acid
CAS:Formula:C7H5ClO3Purity:>98.0%(GC)(T)Color and Shape:White to Almost white powder to crystalMolecular weight:172.561,1'-Diethyl-3,3,3',3'-tetramethylindocarbocyanine Iodide
CAS:Formula:C27H33IN2Purity:>98.0%(HPLC)(N)Color and Shape:Red to Dark red to Dark purple powder to crystalMolecular weight:512.48Butyl Acetate [for Spectrophotometry]
CAS:Formula:C6H12O2Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:116.16(R)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetyl Chloride [for Determination of the optical purity of Alcohols and Amines]
CAS:Formula:C10H8ClF3O2Purity:>98.0%(GC)(T)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:252.624-Phenylbenzoyl Chloride
CAS:Formula:C13H9ClOPurity:>98.0%(GC)(T)Color and Shape:White to Almost white powder to crystalMolecular weight:216.664-Cyanobenzoyl Chloride
CAS:Formula:C8H4ClNOPurity:>98.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:165.584-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C9H16NO2Purity:>95.0%(T)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:170.234-Dimethylaminobenzaldehyde
CAS:Formula:C9H11NOPurity:>98.0%(GC)(T)Color and Shape:White to Light yellow to Green powder to crystalMolecular weight:149.194-Chlorobenzoic Acid
CAS:Formula:C7H5ClO2Purity:>99.0%(GC)(T)Color and Shape:White to Almost white powder to crystalMolecular weight:156.57Sodium Flavonol-2'-sulfonate Hydrate [for Determination of Sn, Zr]
CAS:Formula:C15H9NaO6S·xH2OPurity:>98.0%(T)(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:340.28 (as Anhydrous)10,10'-Dimethyl-9,9'-biacridinium Bis(monomethyl Terephthalate) [for Chemiluminescence Research]
CAS:Formula:C46H36N2O8Color and Shape:Yellow to Amber to Dark red powder to crystalMolecular weight:744.80Sodium 5-(2-Aminoethylamino)-1-naphthalenesulfonate
CAS:Formula:C12H13N2NaO3SPurity:>98.0%(HPLC)Color and Shape:Light orange to Yellow to Green powder to crystalMolecular weight:288.304-Bromobenzoyl Chloride
CAS:Formula:C7H4BrClOPurity:>98.0%(GC)(T)Color and Shape:White to Orange to Green powder to lumpMolecular weight:219.46Rhodamine B [Ion association reagent for photometric and fluorimetric analysis]
CAS:Formula:C28H31ClN2O3Purity:>98.0%(T)Color and Shape:Yellow to Brown to Dark green powder to crystalMolecular weight:479.027-Diethylamino-4-methylcoumarin (purified by sublimation)
CAS:Formula:C14H17NO2Purity:>99.5%(GC)(T)Color and Shape:White to Light yellow to Green powder to crystalMolecular weight:231.30(1R,4S)-1,2,3,4-Tetrahydro-1,4-epoxynaphthalene-1-carboxylic Acid
CAS:Formula:C11H10O3Purity:>96.0%(HPLC)Color and Shape:White to Almost white powder to crystalMolecular weight:190.20Tris(2,2,6,6-tetramethyl-3,5-heptanedionato)praseodymium(III) [NMR Shift Reagent]
CAS:Formula:C33H57O6PrPurity:>98.0%(T)Color and Shape:White to Light yellow to Green powder to crystalMolecular weight:690.722,4,6-Tri(2-pyridyl)-1,3,5-triazine
CAS:Formula:C18H12N6Purity:>98.0%(T)Color and Shape:White to Orange to Green powder to crystalMolecular weight:312.34Methylcyclohexane [for Spectrophotometry]
CAS:Formula:C7H14Purity:>99.0%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:98.19Phenazine-2,3-diamine
CAS:Formula:C12H10N4Purity:>97.0%(HPLC)Color and Shape:Orange to Brown powder to crystalMolecular weight:210.24
