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· · COA & SDS Disponible para cada producto · Same-day shipping on in-stock items 18-Crown-5 [4-(2,4-Dinitrophenylazo)phenol] - AR , CAS No.81238-58-6
GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. Synonyms
5-(2,4-Dinitrophenylazo)-2-hydroxy-1,3-xylylene-18-crown 5-Ether | DTXSID10511874 | 3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-21-ol, 19-[2-(2,4-dinitrophenyl)diazenyl]- | 3,6,9,12,15-Pentaoxabicyclo[15.3.1]heneicosa-1(21),17,19-trien-
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Why this grade AR AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Sinónimos
5-(2, 4-Dinitrophenylazo)-2-hydroxy-1, 3-xylylene-18-crown 5-Ether | DTXSID10511874 | 3, 6, 9, 12, 15-Pentaoxabicyclo[15.3.1]heneicosa-1(21), 17, 19-trien-21-ol, 19-[2-(2, 4-dinitrophenyl)diazenyl]- | 3, 6, 9, 12, 15-Pentaoxabicyclo[15.3.1]heneicosa-1(21), 17, 19-trien-
Especificaciones y pureza
AR
Condiciones de almacenamiento de almacenamiento
Room temperature
Nombres e identificadores Pubchem Sid 488203012 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/488203012 Sonrisas canónicas C1COCCOCC2=CC(=CC(=C2O)COCCOCCO1)N=NC3=C(C=C(C=C3)[N+](=O)[O-])[N+](=O)[O-] IUPAC Name 19-[(2,4-dinitrophenyl)diazenyl]-3,6,9,12,15-pentaoxabicyclo[15.3.1]henicosa-1(20),17(21),18-trien-21-ol InChIKey QWXPMOXJXQUNKI-UHFFFAOYSA-N INCHI 1S/C22H26N4O10/c27-22-16-11-18(23-24-20-2-1-19(25(28)29)13-21(20)26(30)31)12-17(22)15-36-10-8-34-6-4-32-3-5-33-7-9-35-14-16/h1-2,11-13,27H,3-10,14-15H2 Isómeros SMILES C1COCCOCC2=CC(=CC(=C2O)COCCOCCO1)N=NC3=C(C=C(C=C3)[N+](=O)[O-])[N+](=O)[O-] Peso molecular 506.47 Reaxy-Rn 4614423 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4614423&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Estructura 3D Certificados (CoA, COO, BSE/TSE y tabla de análisis) Propiedades químicas y físicas Peso molecular 506.500 g/mol XLogP3 1.600 Hydrogen Bond Donor Count 1 Hydrogen Bond Acceptor Count 12 Rotatable Bond Count 2 Exact Mass 506.165 Da Monoisotopic Mass 506.165 Da Topological Polar Surface Area 183.000 Ų Heavy Atom Count 36 Formal Charge 0 Complexity 677.000 Isotope Atom Count 0 Defined Atom Stereocenter Count 0 Undefined Atom Stereocenter Count 0 Defined Bond Stereocenter Count 0 Undefined Bond Stereocenter Count 0 The total count of all stereochemical bonds 0 Covalently-Bonded Unit Count 1
Calculadoras de soluciones Molarity Calculator Determine the necessary mass, volume, or concentration for preparing a solution.
Dilution Calculator Determine the dilution needed to prepare a stock solution.
Reconstitution Calculator Reseñas Need help choosing the grade? Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
View AR grade guide →
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