
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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Resorufin
CAS:Formula:C12H7NO3Purity:>95.0%(HPLC)Color and Shape:Dark green to Dark blue to Black powder to crystalMolecular weight:213.19Copper(I) Cyanide
CAS:Formula:CuCNPurity:>98.0%(T)Color and Shape:White to Dark green powder to crystalineMolecular weight:89.56Pinacyanol Chloride
CAS:Formula:C25H25ClN2Purity:>93.0%(HPLC)Color and Shape:Green to Dark green powder to crystalMolecular weight:388.94Benzoyl Leuco Methylene Blue
CAS:Formula:C23H23N3OSPurity:>96.0%(T)(HPLC)Color and Shape:White to Light yellow to Green powder to crystalMolecular weight:389.52Benzene [for Spectrophotometry]
CAS:Formula:C6H6Purity:>99.5%(GC)Color and Shape:Colorless clear liquidMolecular weight:78.114-Chlorobenzoyl Chloride
CAS:Formula:C7H4Cl2OPurity:>98.0%(GC)(T)Color and Shape:White or Colorless to Almost white or Almost colorless powder to lump to clear liquidMolecular weight:175.013,3'-Diethyloxacarbocyanine Iodide
CAS:Formula:C21H21IN2O2Purity:>98.0%(N)Color and Shape:Orange to Brown to Dark red powder to crystalineMolecular weight:460.325-Aminosalicylic Acid
CAS:Formula:C7H7NO3Purity:>98.0%(T)Color and Shape:White to Gray to Brown powder to crystalMolecular weight:153.14Neocuproine Hydrochloride Monohydrate
CAS:Formula:C14H12N2·HCl·H2OPurity:>99.0%(HPLC)Color and Shape:White to Dark green powder to crystalMolecular weight:262.744-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C9H18NO2Purity:>98.0%(GC)Color and Shape:Light yellow to Brown powder to lumpMolecular weight:172.25N-[4-(2-Benzimidazolyl)phenyl]maleimide
CAS:Formula:C17H11N3O2Purity:>98.0%(T)(HPLC)Color and Shape:Light yellow to Amber powder to crystalMolecular weight:289.29(R)-(-)-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:150.18Toluene [for Spectrophotometry]
CAS:Controlled ProductFormula:C7H8Purity:>99.5%(GC)Color and Shape:Colorless clear liquidMolecular weight:92.14Nitromethane [for Spectrophotometry]
CAS:Formula:CH3NO2Purity:>98.0%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:61.04Decahydronaphthalene (cis- and trans- mixture) [Testing Methods for Sulfur in Crude Oil and Petroleum Products]
CAS:Formula:C10H18Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:138.25Dimidium Bromide
CAS:Formula:C20H18BrN3Purity:>98.0%(HPLC)Color and Shape:Orange to Brown to Dark purple powder to crystalMolecular weight:380.29(R)-(-)-α-Methoxy-α-(trifluoromethyl)phenylacetyl Chloride (ca. 18% in Dichloromethane, ca. 1.0mol/L) [for Determination of the optical purity of Alcohols and Amines]
CAS:Formula:C10H8ClF3O2Purity:min. 99.0 ee%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:252.62(-)-Camphanic Acid
CAS:Formula:C10H14O4Purity:>98.0%(T)Color and Shape:White to Almost white powder to crystalineMolecular weight:198.22Ethylbenzene
CAS:Formula:C8H10Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:106.175-Amino-1-naphthol
CAS:Formula:C10H9NOPurity:>97.0%(T)(HPLC)Color and Shape:Purple to Dark purple to Dark red powder to crystalMolecular weight:159.194-Cyanobenzoic Acid
CAS:Formula:C8H5NO2Purity:>98.0%(GC)(T)Color and Shape:White to Almost white powder to crystalMolecular weight:147.13(R)-(-)-2-Methoxy-2-(1-naphthyl)propionic Acid
CAS:Formula:C14H14O3Purity:>99.0%(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:230.261,8-Bis(dimethylamino)naphthalene [for Dehydrohalogenation]
CAS:Formula:C14H18N2Purity:>98.0%(GC)(T)Color and Shape:White to Light yellow to Light orange powder to crystalMolecular weight:214.317-Hydroxy-4-methylcoumarin-3-acetic Acid
CAS:Formula:C12H10O5Purity:>97.0%(T)(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:234.217-Diethylamino-4-methylcoumarin
CAS:Formula:C14H17NO2Purity:>98.0%(GC)(T)Color and Shape:White to Amber to Dark green powder to crystalMolecular weight:231.30Erythrosine B
CAS:Formula:C20H6I4Na2O5Purity:>95.0%(E)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:879.86(R)-(+)-1-Phenylethylamine
CAS:Formula:C8H11NPurity:>99.0%(GC)Color and Shape:Colorless to Light yellow to Light orange clear liquidMolecular weight:121.184-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation)
CAS:Formula:C9H16NO2Purity:>98.0%(GC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:170.23(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:197.24[[(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:318.22Tetraiodofluorescein
CAS:Formula:C20H8I4O5Purity:>95.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:835.90Sulfonfluorescein
CAS:Formula:C19H12O6SPurity:>75.0%(T)(HPLC)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:368.364-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:186.28Bis(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:346.393,4-Diaminobenzophenone
CAS:Formula:C13H12N2OPurity:>98.0%(GC)(T)Color and Shape:Light yellow to Brown to Dark green powder to crystalMolecular weight:212.25Coumarin 153
CAS:Formula:C16H14F3NO2Purity:>95.0%(T)(HPLC)Color and Shape:Light yellow to Yellow to Orange powder to crystalineMolecular weight:309.29(S)-(+)-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:252.622,4,6-Tris(pentafluoroethyl)-1,3,5-triazine
CAS:Formula:C9F15N3Purity:>95.0%(GC)Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:435.10α-Cyano-4-hydroxycinnamic Acid
CAS:Formula:C10H7NO3Purity:>98.0%(T)(HPLC)Color and Shape:Light yellow to Amber to Dark green powder to crystalMolecular weight:189.17Butyl Acetate [for Spectrophotometry]
CAS:Formula:C6H12O2Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:116.169-Anthracenecarboxylic Acid (purified by sublimation)
CAS:Formula:C15H10O2Purity:>99.0%(GC)(T)Color and Shape:Light yellow to Yellow to Green powder to crystalMolecular weight:222.24Barium Chloranilate Trihydrate
CAS:Formula:C6BaCl2O4·3H2OPurity:>97.0%(T)Color and Shape:Gray to Dark purple to Black powder to crystalMolecular weight:398.344-Isothiocyanato-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C10H17N2OSPurity:>97.0%(GC)(T)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:213.323,3'-Diethylthiacarbocyanine Iodide
CAS:Formula:C21H21IN2S2Purity:>98.0%(HPLC)(N)Color and Shape:Amber to Brown to Dark green powder to crystalMolecular weight:492.444-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:479.02(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:690.724-[(tert-Butoxycarbonylamino)methyl]pyridine-2-carboxylic Acid [Reagent for application of the exciton chirality method]
CAS:Formula:C12H16N2O4Purity:>96.0%(T)(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:252.27Dichloromethane-d2 99.9atom%D
CAS:Formula:CCl2D2Purity:min. 99.0 %(GC)Color and Shape:Colorless clear liquidMolecular weight:86.94Isoluminol [Chemiluminescence reagent]
CAS:Formula:C8H7N3O2Purity:>98.0%(T)(HPLC)Color and Shape:Light yellow to Amber to Dark green powder to lumpMolecular weight:177.16Tetrabromofluorescein Potassium Salt
CAS:Formula:C20H6Br4K2O5Purity:>85.0%(HPLC)Color and Shape:Orange to Brown to Dark red powder to crystalMolecular weight:724.082',5'-Dihydroxyacetophenone
CAS:Formula:C8H8O3Purity:>98.0%(GC)Color and Shape:Light orange to Yellow to Green powder to crystalMolecular weight:152.15Bismuthiol II
CAS:Formula:C8H5KN2S3Purity:>98.0%(T)(HPLC)Color and Shape:White to Light yellow to Green powder to crystalMolecular weight:264.42Chirabite-AR
CAS:Formula:C42H29N7O8Color and Shape:Light orange to Yellow to Green powder to crystalMolecular weight:759.74trans-Ferulic Acid (purified by sublimation)
CAS:Formula:C10H10O4Purity:>98.0%(GC)(T)Color and Shape:White to Orange to Green powder to crystalMolecular weight:194.19AzBTS [=2,2'-Azinobis(3-ethylbenzothiazoline-6-sulfonic Acid Ammonium Salt)] [Spectrophotometric reagent for free chlorine]
CAS:Formula:C18H24N6O6S4Purity:>98.0%(T)(HPLC)Color and Shape:White to Light yellow to Green powder to crystalMolecular weight:548.67Benzene-d6 99.6atom%D
CAS:Formula:C6D6Color and Shape:Colorless to Almost colorless clear liquidMolecular weight:84.154-Carboxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C10H18NO3Purity:>97.0%(GC)(T)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:200.264-(5-Chloro-2-pyridylazo)-1,3-phenylenediamine [for Colorimetric Analysis of Co, Cd]
CAS:Formula:C11H10ClN5Purity:>99.0%(T)(HPLC)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:247.69Chloroform (stabilized with Ethanol) [for Spectrophotometry]
CAS:Formula:CHCl3Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:119.374-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C13H22NO3Purity:>98.0%(GC)(T)Color and Shape:Light yellow to Yellow to Orange powder to crystalMolecular weight:240.32Bis(2,4-dinitrophenyl) Oxalate [Chemiluminescence reagent for the determination of fluorescent compounds by HPLC and FIA]
CAS:Formula:C14H6N4O12Purity:>98.0%(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:422.22Nitromethane
CAS:Formula:CH3NO2Purity:>98.0%(GC)Color and Shape:Colorless to Light yellow to Light orange clear liquidMolecular weight:61.04N-(2-Carboxy-4,5-dichlorobenzoyl)-(+)-10,2-camphorsultam
CAS:Formula:C18H19Cl2NO5SPurity:>98.0%(T)(HPLC)Color and Shape:White to Almost white powder to crystalMolecular weight:432.31Alizarin Complexone
CAS:Formula:C19H15NO8Purity:>70.0%(HPLC)Color and Shape:Orange to Amber to Dark red powder to crystalMolecular weight:385.33(1S,2S)-(-)-1,2-Diphenylethylenediamine
CAS:Formula:C14H16N2Purity:>98.0%(GC)(T)Color and Shape:White to Light yellow powder to crystalMolecular weight:212.302,3-Naphthalenedialdehyde [Fluorimetric Reagent for Primary Amines]
CAS:Formula:C12H8O2Purity:>99.0%(GC)Color and Shape:White to Light yellow powder to crystalMolecular weight:184.19(1R,2R)-2-(Anthracene-2,3-dicarboximido)cyclohexanecarboxylic Acid
CAS:Formula:C23H19NO4Purity:>98.0%(T)Color and Shape:Light yellow to Yellow to Orange powder to crystalMolecular weight:373.412',7'-Dichlorofluorescein [for Fluorescent indicator]
CAS:Formula:C20H10Cl2O5Purity:>95.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:401.20Sodium [(S)-1,2-Diaminopropane-N,N,N',N'-tetraacetato]samarate(III)
CAS:Formula:C11H14N2NaO8SmPurity:>90.0%(T)Color and Shape:White to Light yellow to Light orange powder to crystalMolecular weight:475.59N-tert-Butyl-α-(4-pyridyl-1-oxide)nitrone
CAS:Formula:C10H14N2O2Purity:>98.0%(T)(HPLC)Color and Shape:White to Light yellow powder to crystalMolecular weight:194.23NAM [=N-(9-Acridinyl)maleimide] [for HPLC Labeling]
CAS:Formula:C17H10N2O2Purity:>98.0%(HPLC)Color and Shape:White to Amber powder to crystalMolecular weight:274.28Disodium Chromotropate Dihydrate
CAS:Formula:C10H6Na2O8S2·2H2OPurity:>98.0%(T)Color and Shape:White to Gray to Brown powder to crystalineMolecular weight:400.284'-Hydroxyazobenzene-4-carboxylic Acid
CAS:Formula:C13H10N2O3Purity:>98.0%(T)(HPLC)Color and Shape:Orange to Brown powder to crystalMolecular weight:242.237-(Diethylamino)-3-(1-methyl-2-benzimidazolyl)coumarin
CAS:Formula:C21H21N3O2Purity:>98.0%(T)(HPLC)Color and Shape:Light yellow to Yellow to Green powder to crystalMolecular weight:347.42Sodium Chloride
CAS:Formula:NaClPurity:>99.5%(T)Color and Shape:White powder to crystalMolecular weight:58.44Methyl Formate [for Spectrophotometry]
CAS:Formula:C2H4O2Purity:>98.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:60.054-Cyano-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
CAS:Formula:C10H17N2OPurity:>95.0%(T)Color and Shape:Light yellow to Amber to Dark green powder to crystalMolecular weight:181.262,2,4-Trimethylpentane [for Spectrophotometry]
CAS:Formula:C8H18Purity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:114.232',7'-Dichlorofluorescein Sodium Salt
CAS:Formula:C20H8Cl2Na2O5Purity:>98.0%(T)Color and Shape:Purple to Dark purple to Brown powder to crystalMolecular weight:445.16Morin Hydrate
CAS:Formula:C15H10O7·xH2OPurity:>90.0%(HPLC)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:302.24 (as Anhydrous)1-Butanol [for Spectrophotometry]
CAS:Formula:C4H10OPurity:>99.0%(GC)Color and Shape:Colorless clear liquidMolecular weight:74.123-Nitrobenzyl Alcohol [Matrix for FABMS and liquid SIMS]
CAS:Formula:C7H7NO3Purity:>99.0%(GC)Color and Shape:Light yellow to Yellow to Orange powder to lump to clear liquidMolecular weight:153.14(1R,2R)-(-)-N,N'-Dimethylcyclohexane-1,2-diamine
CAS:Formula:C8H18N2Purity:>94.0%(GC)Color and Shape:White to Yellow to Orange powder to crystalMolecular weight:142.25Potassium Chloride
CAS:Formula:KClPurity:>99.5%(T)Color and Shape:White powder to crystalMolecular weight:74.55Acid Red 92
CAS:Formula:C20H2Br4Cl4Na2O5Purity:>85.0%(E)Color and Shape:Dark red to Brown powder to crystalMolecular weight:829.634-Methyl-6,7-methylenedioxycoumarin
CAS:Formula:C11H8O4Purity:min. 99.0 %(GC)Color and Shape:White to Light yellow powder to crystalMolecular weight:204.184-Amino-3-hydrazino-5-mercapto-1,2,4-triazole [for Determination of Aldehydes]
CAS:Formula:C2H6N6SPurity:>95.0%(T)Color and Shape:White to Almost white powder to crystalMolecular weight:146.17ANS-Mg (=Magnesium(II) 8-Anilino-1-naphthalenesulfonate) [Hydrophobic fluorescent probe]
CAS:Formula:C32H24MgN2O6S2Purity:>98.0%(T)(HPLC)Color and Shape:Light yellow to Amber to Dark green powder to crystalMolecular weight:620.98Anthrone
CAS:Formula:C14H10OPurity:>98.0%(GC)Color and Shape:White to Light yellow powder to crystalMolecular weight:194.232',4',5',7'-Tetrabromo-3,4,5,6-tetrachlorofluorescein
CAS:Formula:C20H4Br4Cl4O5Purity:>85.0%(HPLC)Color and Shape:White to Light yellow to Light red powder to crystalMolecular weight:785.66Neocuproine Hemihydrate
CAS:Formula:C14H12N2H2OPurity:>98.0%(T)(HPLC)Color and Shape:White to Light yellow to Light orange powder to crystalMolecular weight:217.27(R)-(+)-1-(1-Naphthyl)ethylamine
CAS:Formula:C12H13NPurity:>99.0%(GC)Color and Shape:Colorless to Yellow clear liquidMolecular weight:171.243-(4,5-Dimethyl-2-thiazolyl)-2,5-diphenyltetrazolium Bromide
CAS:Formula:C18H16BrN5SPurity:>98.0%(T)Color and Shape:Light yellow to Brown powder to crystalMolecular weight:414.33Ethyl Acetate [for Spectrophotometry]
CAS:Formula:C4H8O2Purity:>99.5%(GC)Color and Shape:Colorless clear liquidMolecular weight:88.11Acetone [for Spectrophotometry]
CAS:Controlled ProductFormula:C3H6OPurity:>99.5%(GC)Color and Shape:Colorless clear liquidMolecular weight:58.08Potassium Bromide
CAS:Formula:KBrPurity:>99.0%(T)Color and Shape:White powder to crystalMolecular weight:119.00Cyclohexane [for Spectrophotometry]
CAS:Formula:C6H12Purity:>99.5%(GC)Color and Shape:Colorless clear liquidMolecular weight:84.16TPPS (=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:934.98
