Reagents, D, 100 g
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DL-Histidine monohydrochloride monohydrate, 99%
Thermo Scientific ChemicalsSynonym(s): H-DL-His-OH.HCl.H2O Formula: C6H9N3O2 HCl H2O Formula weight: 209.63 (191.62anhy) Purity: 99% CAS Number: 123333-71-1 Harmonized Tariff Code: 2933.29
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1,6-Diiodohexane, 98%, stab. with copper
Thermo Scientific ChemicalsSynonym(s): Hexamethylene diiodide Formula: I(CH2)6I Formula weight: 337.97 Purity: 98%, stab. with copper CAS Number: 629-09-4 Harmonized Tariff Code: 2903.19 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary Statements: …
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Dowex® 1X2 chloride form, chloride form, 100-200 mesh
MilliporeSigmaCAS No.: 69011-19-4 Application: Strongly basic (type I) anion exchange resin for food & drug processing; meets requirements of FDA Food Additive Regulation 21 CFR 173.25 Features and Benefits: strongly basic anion. Other Notes: This ion-exchange resin has not been specially processed…
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Dimethyl glutarate, 98%
Thermo Scientific ChemicalsSynonym(s): Glutaric acid dimethyl ester, Pentanedioic acid dimethyl ester Formula: C7H12O4 Formula weight: 160.17 Purity: 98% CAS Number: 1119-40-0 Harmonized Tariff Code: 2917.19
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1,5-Dibromopentane, 98%
Thermo Scientific ChemicalsSynonym(s): Pentamethylene dibromide Formula: Br(CH2)5Br Formula weight: 229.95 Purity: 98% CAS Number: 111-24-0 Harmonized Tariff Code: 2903.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …
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D-(-)-Penicillamine, 99%
Thermo Scientific ChemicalsSynonym(s): 3,3-Dimethyl-D-cysteine, 3-Mercapto-D-valine Formula: C5H11NO2S Formula weight: 149.21 Purity: 99% CAS Number: 52-67-5 Harmonized Tariff Code: 2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…
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ALDRICH Diethylzinc, Zn 52.0wt. % ((minimum))
MilliporeSigmaSynonym(s): DEZn; Et2Zn; DEZ; Zincdiethyl Formula: (C2H5)2Zn Formula Weight: 123.51 CAS No.: 557-20-0 UN Number: UN3394 Density: 1.205g/mLat 25°C(lit.) Supplemental Hazards: Reacts violently with water. Packaging: 100 g in Sure-Pac™
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Diphenylcarbazone Compound with s-Diphenylcarbazide, Reagent, ACS
Spectrum ChemicalGrade: Reagent, ACS
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3,4-Dihydroxybenzaldehyde, 98%
Thermo Scientific ChemicalsSynonym(s): Protocatechualdehyde Formula: C7H6O3 Formula weight: 138.12 Purity: 98% CAS Number: 139-85-5 Harmonized Tariff Code: 2912.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…
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DL-Glutamic acid monohydrate >=98% (TLC)
MilliporeSigmaSynonym(s): (±)-2-Aminoglutaric acid; (±)-2-Aminopentanedioic acid Empirical Formula: C5H9NO4 -+ H2O Linear Formula: HOOCCH2CH2CH(NH2)COOH -+ H2O Formula Weight: 165.14 MDL Number: …
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D-(+)-Glucosamine hydrochloride >=99%, crystalline
MilliporeSigmaSynonym(s): 2-Amino-2-deoxy-D-glucose hydrochloride; Chitosamine hydrochloride Empirical Formula: C6H13NO5 -+ HCl Linear Formula: C6H13NO5 -+ HCl Formula Weight: 215.63 MDL Number: MFCD00135831 Purity: ≥99% …
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ALDRICH 2,4-Dinitrophenylhydrazine, reagent grade, 97%
MilliporeSigmaFormula: (O2N)2C6H3NHNH2 Formula Weight: 198.14 CAS No.: 119-26-6 Purity: 97% Application: Reagent for the determination of aldehydes 1 and ketones. 2, 3 Also employed in cyclocondensations to pyrazoles. 4 Packaging: 25,…
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D-Pantothenic acid calcium salt hydrate, 98%
Thermo Scientific ChemicalsSynonym(s): Calcium D-pantothenate hydrate Formula: C18H32CaN2O10 xH2O Formula weight: 476.54(anhy) Purity: 98% CAS Number: 331748-07-3 Harmonized Tariff Code: 2936.24
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3,5-Dichloropyridine, 98%
Thermo Scientific ChemicalsFormula: C5H3Cl2N Formula weight: 147.99 Purity: 98% CAS Number: 2457-47-8 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code: 2933.39 Hazard Statements: H311-H302-H315-H319-H335 Toxic in contact with skin. Harmful if swallowed. Causes skin…
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2,3-Dimethylmaleic anhydride, 99% (GC)
AFG BioscienceCAS # 766-39-2 Synonyms: 3,4-Dimethyl-2,5-dihydrofuran-2,5-dione3,4-Dimethyl-2,5-furandione MDL No.: MFCD00005523 Melting Point: 93-96 °C Molecular Formula: C6H6O3 Molecular Weight: 126.11 Purity Limit: 99% (GC) Storage Temp: Store at 0-8°C Appearance: White crystalline powder
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Synonyms: TRIS sulfateTris(hydroxymethyl)aminomethane hemisulfate salt Purity Limit: ≥ 99% (Titration) CAS No.: 6992-38-7 Molecular Formula: C4H11NO3·0.5 H2SO4 Molecular Weight: 170.17 MDL No.: MFCD00039107 Appearance: White powder Storage Temperature: Store at RT
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Synonym(s): 1,3-Diphenylacetone; Dibenzyl ketone Formula: (C6H5CH2)2CO Formula Weight: 210.27 CAS No.: 102-04-5 Purity: ≥99% Packaging: 25, 100 g in poly bottle
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N,N'-Diphenyl-p-phenylenediamine, 97%
Thermo Scientific ChemicalsFormula: C18H16N2 Formula weight: 260.34 Purity: 97% CAS Number: 74-31-7 Harmonized Tariff Code: 2921.51 Hazard Statements: H317 May cause an allergic skin reaction. Precautionary Statements: P261-P280-P363-P321-P333+P313-P501a Avoid breathing dust/fume/gas/mist/vapours/spray.…
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N,N'-Dicyclohexylurea, 98%
Thermo Scientific ChemicalsFormula: C13H24N2O Formula weight: 224.35 Purity: 98% CAS Number: 2387-23-7 Harmonized Tariff Code: 2924.21
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4,4-Dimethyl-1,3-cyclohexanedione ; >/= 99% (GC)
AFG BioscienceSynonyms: 4,4-Dimethyl-cyclohexane-1,3-dione Purity Limit: ≥ 99% (GC) CAS No.: 562-46-9 Molecular Formula: C8H12O2 Molecular Weight: 140.18 MDL No.: MFCD00075224 Appearance: White crystalline powder Storage Temperature: Store at 0-8 °C
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ALDRICH Dimethyl-1,3-acetonedicarboxylate, 96%
MilliporeSigmaSynonym(s): Dimethyl-3-oxoglutarate Formula: CO(CH2COOCH3)2 Formula Weight: 174.15 CAS No.: 1830-54-2 Purity: 96% Density: 1.206g/mLat 20°C(lit.) Storage: 2-8°C Packaging: 25, 100 g in glass bottle
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Diatomaceous Earth, Acid Washed
MP BiomedicalsDiatomaceous Earth, Acid-washed is an inert material. Diatomaceous earth acid-washed is used as a filtration aid. It is suitable for most routine filtrations.
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4-(Dimethylamino)cinnamaldehyde ; >/= 99% (HPLC)
AFG BioscienceSynonyms: (2e)-3-[4-(Dimethylamino)phenyl]prop-2-enal Purity Limit: ≥ 99% (HPLC) CAS No.: 6203-18-5 Molecular Formula: C11H13NO Molecular Weight: 175.2 MDL No.: MFCD00007002 Appearance: Yellow to orange powder Storage Temperature: Store at 0-8 °C Warnings: Irritant!
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D-Serine ; >/= 99% (Titration: anhydrous basis)
AFG BioscienceSynonyms: D-Ser-OHD-ß-Hydroxyalanine Purity Limit: ≥ 99% (Titration: anhydrous basis) CAS No.: 312-84-5 Molecular Formula: C3H7NO3 Molecular Weight: 105.1 MDL No.: MFCD00004269 Appearance: White crystalline powder Optical Rotation: [a]D20 = -14.5 to -15.5º Storage…
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2,6-Diisopropylaniline, 90+%
Thermo Scientific ChemicalsFormula: C12H19N Formula weight: 177.29 Purity: 90+% CAS Number: 24544-04-5 Harmonized Tariff Code: 2921.49 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye…
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Dimethyl naphthalene-2,6-dicarboxylate, 99+%
Thermo Scientific ChemicalsSynonym(s): Naphthalene-2,6-dicarboxylic acid dimethyl ester Formula: C14H12O4 Formula weight: 244.25 Purity: 99+% CAS Number: 840-65-3 Harmonized Tariff Code: 2917.39
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ALDRICH Diphenylmethanol, 99%
MilliporeSigmaSynonym(s): Benzhydrol; Diphenyl carbinol Formula: (C6H5)2CHOH Formula Weight: 184.23 CAS No.: 91-01-0 Purity: 99% Packaging: 100, 500 g in poly bottle
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1,3-Divinyltetramethyldisiloxane, 96%, cont. up to 4% 1-vinyl-3…
Thermo Scientific ChemicalsSynonym(s): 1,1,3,3-Tetramethyl-1,3-divinyldisiloxane Formula: C8H18OSi2 Formula weight: 186.40 Purity: 96%, cont. up to 4% 1-vinyl-3-ethyltetramethyldisiloxane CAS Number: 2627-95-4 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code: 2931.90 …