Chemicals Reagents D
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1,3-Di-tert-butylbenzene, 99%
Thermo Scientific ChemicalsFormula: C14H22 Formula weight: 190.33 Purity: 99% CAS Number: 1014-60-4 Harmonized Tariff Code: 2902.90 Hazard Statements: H227 Combustible liquid. Precautionary Statements: P210-P280-P370+P378a-P403+P235-P501a Keep away from heat/sparks/open flames/hot surfaces. - No…
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ALDRICH Diethyl (2-oxopropyl)phosphonate, 96%
MilliporeSigmaFormula: CH3COCH2P(O)(OC2H5)2 Formula Weight: 194.17 CAS No.: 1067-71-6 Purity: 96% Density: 1.01g/mLat 25°C(lit.) Packaging: 5, 25 g in glass bottle
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Dimethylglyoxime, >=97.0% (TLC)
MilliporeSigmaCAS No.: 95-45-4 Synonyms: 2,3-Butanedione dioxime; Diacetyldioxime Formula: C4H8N2O2 Formula Weight: 116.12 Linear Formula: CH3C(=NOH)C(=NOH)CH3 MDL No.: MFCD00002117 Purity: ≥97.0% (TLC) Melting Point: 240-241 °C(lit.)
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DL-Threonine, 99%
Thermo Scientific ChemicalsSynonym(s): (+/-)-2-Amino-3-hydroxybutyric acid, H-DL-Thr-OH Formula: C4H9NO3 Formula weight: 119.12 Purity: 99% CAS Number: 80-68-2 Harmonized Tariff Code: 2922.50
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Diallyl disulfide, tech. 80%, remainder mainly diallyl sulfide and diallyl…
Thermo Scientific ChemicalsSynonym(s): Allyl disulfide Formula: C6H10S2 Formula weight: 146.27 Purity: tech. 80%, remainder mainly diallyl sulfide and diallyl trisulfide CAS Number: 2179-57-9 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code: 2930.90 Hazard Statements: …
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Diuron certified reference material, TraceCERT(R)
MilliporeSigmaThis certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034 (ISO Guide 34). This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.Certified content by quantitative NMR incl. uncertainty and expiry date are given on the…
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2,4-Difluorophenol, 98+%
Thermo Scientific ChemicalsFormula: C6H4F2O Formula weight: 130.09 Purity: 98+% CAS Number: 367-27-1 UN Number: UN2921 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2908.19 Hazard Statements: H301-H311-H314-H318-H228 Toxic if swallowed. Toxic in contact with skin. Causes severe skin…
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3,5-Dihydroxytoluene, 99%
Thermo Scientific ChemicalsSynonym(s): 5-Methylresorcinol, Orcinol Formula: C7H8O2 Formula weight: 124.14 Purity: 99% CAS Number: 504-15-4 Packing Group: III Harmonized Tariff Code: 2907.29 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye…
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Desoxyrhaponticin phyproof(R) Reference Substance
MilliporeSigmaThis substance is a primary reference substance with assigned absolute purity (considering chromatographic purity, water, residual solvents, inorganic impurities). The exact value can be found on the certificate. Produced by PhytoLab GmbH & Co. KG Synonyms: 3,5-Dihydroxy 4'-methoxystilbene…
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2-Dimethylaminoethanol
Electron Microscopy SciencesA curing agent for epoxy resins. Formula: C4H11NO Formula Weight: 89.14 CAS #: 108-01-0 Specific Gravity: 0.883-0.888 Boiling Point: 132-134°C
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Dimethyl sulfoxide, HPLC grade, 99.9+%, packaged under Argon in resealable…
Thermo Scientific ChemicalsFormula: (CH3)2SO Formula weight: 78.13 Purity: 99.9+%, packaged under Argon in resealable ChemSeal^t bottles CAS Number: 67-68-5 Harmonized Tariff Code: 2930.90 Hazard Statements: H227 Combustible liquid. Precautionary Statements: P210-P280-P370+P378a-P403+P235-P501a Keep…
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D(+)-Glucose, anhydrous ; USP ; >/= 99.5% (HPLC)
AFG BioscienceSynonyms: DextroseCorn sugar Grade: USP Purity Limit: ≥ 99.5% (HPLC) CAS No.: 50-99-7 Molecular Formula: C6H12O6 Molecular Weight: 180.16 MDL No.: MFCD00148912 Appearance: White crystalline powder Melting Point: 153-156°C Optical Rotation: [a]D25 = +52.6 to +53.2º …
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1,3-Dibromobutane, 98%
Thermo Scientific ChemicalsSynonym(s): 1,3-Butylene bromide Formula: C4H8Br2 Formula weight: 215.93 Purity: 98% CAS Number: 107-80-2 Harmonized Tariff Code: 2903.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…
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Chlorine, Free USEPA accepted for reporting for drinking water analysis using Hach Method 8021, DPD Method Range: 0 - 2.0 mg/L Sample Size: 10 mL,25mL,5mL pk/300 Powder Pillows Hach products are intended for sale/shipment within the US only. International customers…
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Diisopropylamine analytical standard
MilliporeSigmaDiisopropylamine, an aliphatic secondary amine, is a well-known precursor of lithium diisopropylamide (LDA), which is a hindered, strong, non-nucleophilic base utilized in various organic reactions. Synonyms: DIPA Molecular Formula: C6H15N Molecular Weight: 101.19 Linear Structural…
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ALDRICH Dichlorotriphenylphosphorane, 95%
MilliporeSigmaSynonym(s): Triphenylphosphine dichloride Formula: (C6H5)3PCl2 Formula Weight: 333.19 CAS No.: 2526-64-9 UN Number: UN2925 Purity: 95% Packaging: 25, 100 g in glass bottle
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ALDRICH 3,4-Dimethoxyphenylacetic acid, 98%
MilliporeSigmaSynonym(s): Homoveratric acid; 3,4-Dimethoxyphenylacetic acid Empirical Formula: C10H12O4 Linear Formula: (CH3O)2C6H3CH2CO2H Formula Weight: 196.20 MDL Number: MFCD00004335 Purity: 98%…
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2,4-Dichlorophenol, 0.99
MilliporeSigmaCAS Number: 120-83-2 Formula: C6H4Cl2O Formula Weight: 163 Linear Formula: Cl2C6H3OH MDL No.: MFCD00002169 Purity: 0.99 Boiling Point: 209-210 C(lit.) Melting Point: 42-43 C (lit.) Beilstein Registry Number: 742467 EC Number: 204-429-6 UNSPSC Code: 12352100 General…
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Synonym(s): Benzyldimethylamine polymer-bound; Copolymer of styrene and divinylbenzene, dimethylaminomethylated; Polystyrene crosslinked with divinylbenzene, dimethylaminomethylated Linear Formula: CH2N(CH3)2 -…
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3,4-Dimethoxybenzoic acid, 99+%
Thermo Scientific ChemicalsSynonym(s): Veratric acid Formula: C9H10O4 Formula weight: 182.18 Purity: 99+% CAS Number: 93-07-2 Harmonized Tariff Code: 2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…
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ALDRICH 3,4-Difluorophenylacetylene, 90%
MilliporeSigmaSynonym(s): 4-Ethynyl-1,2-difluorobenzene Empirical Formula: C8H4F2 Linear Formula: C8H4F2 Formula Weight: 138.11 MDL Number: MFCD08059511 Purity: 90% Density: 1.144 g/mL at 25 °C Refractive…
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Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Synonyms: N-(4-Chlorophenyl)-2-(2,6-dichlorophenyl) acetamide Molecular…
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DL-Norvaline analytical standard
MilliporeSigmaDL-Norvaline, a non-protein amino acid, is of significance in metabolic pathways. It is used as a food additive on account of its nutritional and functional characteristics that are beneficial to health. Synonyms: (+/-)-2-Aminopentanoic acid Molecular Formula: C5H11NO2 Molecular Weight: …
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ALDRICH 2,3-Dihydro-7-azaindole, 97%
MilliporeSigmaSynonym(s): 2,3-Dihydro-1 H -pyrrolo[2,3- b ]pyridine 7-azaindoline Empirical Formula: C7H8N2 Linear Formula: C7H8N2 Formula Weight: 120.15 MDL Number: MFCD06659751 Purity: 97% Melting Point: 78-83 °C
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ALDRICH 1,12-Diaminododecane, 98%
MilliporeSigmaSynonym(s): 1,12-Dodecanediamine; Dodecamethylenediamine Formula: NH2(CH2)12NH2 Formula Weight: 200.36 CAS No.: 2783-17-7 UN Number: UN3259 Purity: 98% Application: Feedstock for polymer synthesis. Source of twelve carbon chain for…
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3,5-Dichloro-2-hydroxybenzenesulfonic acid sodium salt, 99%
Thermo Scientific ChemicalsSynonym(s): Sodium 3,5-dichloro-2-hydroxybenzenesulfonate Formula: C6H3Cl2NaO4S Formula weight: 265.05 Purity: 99% CAS Number: 54970-72-8 Harmonized Tariff Code: 2908.99
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Dextran sulfate sodium salt, MW ca 8,000
Thermo Scientific ChemicalsSynonym(s): Dextran sodium sulfate, Sodium dextran sulfate CAS Number: 9011-18-1 Harmonized Tariff Code: 3913.90
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5-(4-Dimethylaminobenzylidene)rhodanine, 97%
MilliporeSigmaCAS No.: 536-17-4 Formula: C12H12N2OS2 Formula Weight: 264.37 Linear Formula: C12H12N2OS2 MDL No.: MFCD00064857 Purity: 0.97 Melting Point: 285-288 °C(lit.)
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MultiScreen vacuum manifolds have been developed for all vacuum filtration applications using MultiScreenHTS and MultiScreen filter plates. Manifold components are resistant to solvents and suitable for use with automated or manual protocols.New MultiScreenHTS Vacuum Manifold with DirectStack…
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Dimethyl disulfide, 0.99
MilliporeSigmaSynonyms: DMDS; Methyl disulfide CAS Number: 624-92-0 Formula: C2H6S2 Formula Weight: 94.2 Linear Formula: CH3SSCH3 MDL No.: MFCD00008561 Purity: 0.99 Boiling Point: 109 C(lit.) Melting Point: -85 C (lit.) Density: 1.046 g/mL at 25 C(lit.) Refractive Index: n20/D…
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Diclofenac sodium
MilliporeSigmaEuropean Pharmacopoeia (EP) Reference Standard Synonym(s): Diclofenac sodium salt; 2-[(2,6-Dichlorophenyl)amino]benzeneacetic acid sodium salt Empirical Formula: C14H10Cl2NNaO2 Formula Weight: 318.13 Linear Formula: …