Reagents, P

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  • PBD-5,11-dione ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: (S)-1,2,3,11a-Tetrahydro-10H-pyrrolo[2,1-c][1,4]benzodiazepine-5,11-dione Purity Limit: ≥ 99% (HPLC) CAS No.: 138865-23-3 Molecular Formula: C12H14N2O2 Molecular Weight: 218.26 MDL No.: MFCD00075201 Appearance: White powder Optical Rotation: [a]D20 = +530 ± 2º…

  • Pepsin 1:10000 ; USP ; >/= 10,000NF units/mg (Pepsin Activity)

    AFG Bioscience

    Synonyms: ≥ 10,000NF units/mg (Pepsin) Grade: USP Purity Limit: ≥ 10,000NF units/mg (Pepsin Activity) CAS No.: 9001-75-6 MDL No.: MFCD00081840 Appearance: White to slight yellow amorphous powder Storage Temperature: Store at 0-8 °C

  • trans-L-4-Hydroxyproline ; >/= 99% (Titration)

    AFG Bioscience

    Synonyms: L-Hyp-OH(2S,4R)-4-Hydroxypyrrolidine-2-carboxylic acid Purity Limit: ≥ 99% (Titration) CAS No.: 51-35-4 Molecular Formula: C5H9NO3 Molecular Weight: 131.1 MDL No.: MFCD00064320 Appearance: White crystals or crystalline powder Melting Point: 273°C (dec) Optical…

  • Potassium chloride ; ACS reagent ; 99.0-100.5% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: 99.0-100.5% (Titration) CAS No.: 7447-40-7 Molecular Formula: KCl Molecular Weight: 74.55 MDL No.: MFCD00011360 Appearance: White powder Comments: Used in buffer solutions, medicine, scientific applications, and food processing. Melting…

  • Potassium sodium tartrate tetrahydrate ; ACS reagent ; 99.0-102.0% (Titration)

    AFG Bioscience

    Synonyms: Rochelle saltSeignette saltL(+)-Tartaric acid potassium sodium salt Grade: ACS reagent Purity Limit: 99.0-102.0% (Titration) CAS No.: 6381-59-5 Molecular Formula: C4H4KNaO6·4H2O Molecular Weight: 282.2 MDL No.: MFCD00150989 Appearance: White crystalline powder …

  • Potassium chloride ; USP ; 99.0-100.5% (Titration)

    AFG Bioscience

    Grade: USP Purity Limit: 99.0-100.5% (Titration) CAS No.: 7447-40-7 Molecular Formula: KCl Molecular Weight: 74.55 MDL No.: MFCD00011360 Appearance: White granules Comments: Used in nutritent; gelling agent; salt substitute; yeast food. Density: 1.984 Storage Temperature:…

  • 4-Phenylbenzaldehyde ; >/= 96% (NMR)

    AFG Bioscience

    Synonyms: (1,1'-Biphenyl)-4-carboxaldehyde Purity Limit: ≥ 96% (NMR) CAS No.: 3218-36-8 Molecular Formula: C13H10O Molecular Weight: 182.22 MDL No.: MFCD00006947 Appearance: Cream solid Melting Point: 57-63 ºC Storage Temperature: Store at 0-8 °C

  • Potassium carbonate, anhydrous ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 584-08-7 Molecular Formula: K2CO3 Molecular Weight: 138.21 MDL No.: MFCD00011382 Appearance: White, hygroscopic granular powder Comments: It is used as drying agent for organic solvents; a base. Density: 2.428…

  • Potassium phosphate monobasic, anhydrous ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Synonyms: Monopotassium phosphatePotassium dihydrogen phosphate Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 7778-77-0 Molecular Formula: KH2PO4 Molecular Weight: 136.09 MDL No.: MFCD00011401 Appearance: White crystalline powder Comments: Buffer…

  • Potassium chloridefor Molecular Biology ; Molecular Biology Grade ; >/= 99% …

    AFG Bioscience

    Grade: Molecular Biology Grade Purity Limit: ≥ 99% (Titration) CAS No.: 7447-40-7 Molecular Formula: KCl Molecular Weight: 74.55 MDL No.: MFCD00011360 Appearance: White crystals Comments: Used in buffer solutions Density: 1.984 Boiling Point: 1500 °C (Sublimes) …

  • Potassium bicarbonate ; USP ; >/= 99.5% (Anhydrous Assay

    AFG Bioscience

    Synonyms: Potassium hydrogen carbonate Grade: USP Purity Limit: ≥ 99.5% (Anhydrous Assay CAS No.: 298-14-6 Molecular Formula: KHCO3 Molecular Weight: 100.12 MDL No.: MFCD00011402 Appearance: White Crystalline Density: 2.17 Storage Temperature: Store at RT Warnings: Hygroscopic!

  • Potassium hexacyanoferrate(III) ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Synonyms: Potassium ferricyanide Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 13746-66-2 Molecular Formula: K3Fe(CN)6 Molecular Weight: 329.2 MDL No.: MFCD00011392 Appearance: Ruby red crystals Comments: Used as mild oxidizing agent. Density: 1.89 …

  • Pyridine N-oxide ; >/= 99% (GC)

    AFG Bioscience

    Purity Limit: ≥ 99% (GC) CAS No.: 694-59-7 Molecular Formula: C5H5NO Molecular Weight: 95.1 MDL No.: MFCD00006194 Appearance: Yellow to brown semi solid or liquid Storage Temperature: Store at 0-8 °C

  • Potassium iodide ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 7681-11-0 Molecular Formula: KI Molecular Weight: 166 MDL No.: MFCD00011405 Appearance: White powder Comments: Iodometric titrations; reducing agent Melting Point: 680 ºC (Approx.) Storage Temperature: …

  • Potassium sulfate ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 7778-80-5 Molecular Formula: K2SO4 Molecular Weight: 174.3 MDL No.: MFCD00011388 Appearance: White crystals Comments: Kjeldahl analysis. Melting Point: 1069 °C (Approx.) Storage Temperature: Store at RT

  • Potassium ferrocyanide trihydrate ; ACS reagent ; 98.5-102.0% (Titration)

    AFG Bioscience

    Synonyms: Potassium hexacyanoferrate(II) trihydrateYellow prussiate Grade: ACS reagent Purity Limit: 98.5-102.0% (Titration) CAS No.: 14459-95-1 Molecular Formula: K4Fe(CN)6·3H2O Molecular Weight: 422.4 MDL No.: MFCD00167023 Appearance: Light yellow crystalline powder …

  • Poly(1-vinylpyrrolidone-co-vinyl acetate)

    AFG Bioscience

    CAS No.: 25086-89-9 MDL No.: MFCD00134018 Appearance: White to yellowish-white powder Storage Temperature: Store at 0-8 °C

  • Potassium phosphate dibasic, anhydrous ; ACS reagent ; >/= 98.0% (Titration)

    AFG Bioscience

    Synonyms: Dipotassium hydrogen phosphate Grade: ACS reagent Purity Limit: ≥ 98.0% (Titration) CAS No.: 7758-11-4 Molecular Formula: K2HPO4 Molecular Weight: 174.18 MDL No.: MFCD00011383 Appearance: White crystalline powder Comments: Buffer solutions. Storage…

  • Poly(ethylene glycol)Average Mn 600, Moist waxy solid

    AFG Bioscience

    Synonyms: PEG CAS No.: 25322-68-3 MDL No.: MFCD00081839 Appearance: Solid to viscous liquid Melting Point: 20-25 °C Storage Temperature: Store at RT

  • Potassium sulfate ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 7778-80-5 Molecular Formula: K2SO4 Molecular Weight: 174.3 MDL No.: MFCD00011388 Appearance: White crystals Comments: Kjeldahl analysis. Melting Point: 1069 °C (Approx.) Storage Temperature: Store at RT

  • Potassium iodide ; USP ; 99.0-101.5% (Titration: Anhydrous basis)

    AFG Bioscience

    Grade: USP Purity Limit: 99.0-101.5% (Titration: Anhydrous basis) CAS No.: 7681-11-0 Molecular Formula: KI Molecular Weight: 166 MDL No.: MFCD00011405 Appearance: White crystalline powder Storage Temperature: Store at RT Warnings: Irritant! Moisture sensitive!

  • Potassium thiocyanate ; >/= 99% (Titration)

    AFG Bioscience

    Synonyms: Potassium rhodanidePotassium sulfocyanate Purity Limit: ≥ 99% (Titration) CAS No.: 333-20-0 Molecular Formula: KSCN Molecular Weight: 97.18 MDL No.: MFCD00011413 Appearance: White crystalline with chunks Comments: Analysis of siliver ion; indirect determination of…

  • 1-Propyl-1H-imidazole ; >/= 99% (assay)

    AFG Bioscience

    Synonyms: n-Propylimidazole Purity Limit: ≥99% (assay) CAS No.: 35203-44-2 Molecular Formula: C6H10N2 Molecular Weight: 110.16 MDL No.: MFCD00060494 Storage Temperature: Store at 0-8°C

  • Potassium bromide ; ACS reagent ; >/= 99.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 99.0% (Titration) CAS No.: 7758-02-3 Molecular Formula: KBr Molecular Weight: 119.1 MDL No.: MFCD00011358 Appearance: White crystalline powder Comments: Used as analytical standard; redox reagent. Density: 2.75 Melting Point: 730 °C…

  • Pentachloronitrobenzene ; >/= 95% (GC)

    AFG Bioscience

    Synonyms: Quintozene Purity Limit: ≥ 95% (GC) CAS No.: 82-68-8 Molecular Formula: C6Cl5NO2 Molecular Weight: 295.34 MDL No.: MFCD00007065 Appearance: Off-white to light yellow powder Comments: Plant cell culture, tested./AD10272 Melting Point: 140-143°C Storage…

  • Potassium carbonate, anhydrous ; >/= 99.5% (Titration)

    AFG Bioscience

    Purity Limit: ≥ 99.5% (Titration) CAS No.: 584-08-7 Molecular Formula: K2CO3 Molecular Weight: 138.21 MDL No.: MFCD00011382 Appearance: White, hygroscopic solid Comments: It is used as drying agent for organic solvents; a base. Storage Temperature: Store at RT

  • 3-Phenoxytoluene ; >/= 99% (GC)

    AFG Bioscience

    Synonyms: 1-Methyl-3-phenoxy-benzene Purity Limit: ≥ 99% (GC) CAS No.: 3586-14-9 Molecular Formula: C13H12O Molecular Weight: 184.24 MDL No.: MFCD00008531 Appearance: Colorless to light yellow liquid Storage Temperature: Store at 0-8 °C

  • 2-Pyrrolidone ; >/= 99% (GC)

    AFG Bioscience

    Synonyms: a-Pyrrolidone Purity Limit: ≥ 99% (GC) CAS No.: 616-45-5 Molecular Formula: C4H7NO Molecular Weight: 85.11 MDL No.: MFCD00005270 Appearance: Clear colorless liquid Storage Temperature: Store at 0-8 °C

  • Poly(ethylene glycol)Average Mv ~ 3350, Granular powder

    AFG Bioscience

    Synonyms: PEG CAS No.: 25322-68-3 Molecular Formula: HOCH2CH2(OCH2CH2)nOH Molecular Weight: 3015 MDL No.: MFCD00081839 Appearance: White granular powder Comments: Need to work Storage Temperature: Store at RT

  • 1,3-Propanediol ; >/= 99.5% (GC)

    AFG Bioscience

    Synonyms: 1,3-DihydroxypropaneTrimethylene glycol Purity Limit: ≥ 99.5% (GC) CAS No.: 504-63-2 Molecular Formula: C3H8O2 Molecular Weight: 76.09 MDL No.: MFCD00002949 Appearance: Colorless liquid Density: 1.053 g/mL @ 25 °C Boiling Point: 214 °C/760 mmHg Melting Point:…

  • Poly(ethylene glycol)Average MV ~ 8,000, Crystalline powder

    AFG Bioscience

    Synonyms: PEG CAS No.: 25322-68-3 Molecular Formula: HOCH2CH2(OCH2CH2)nOH MW 7000-9000 MDL No.: MFCD00081839 Appearance: White crystalline powder Storage Temperature: Store at RT

  • 2-(Phenylsulfonyl)aniline ; >/= 99% (HPLC)

    AFG Bioscience

    Synonyms: 2-Aminophenyl phenyl sulphone Purity Limit: ≥ 99% (HPLC) CAS No.: 4273-98-7 Molecular Formula: C12H11NO2S Molecular Weight: 233.29 MDL No.: MFCD00007706 Appearance: Yellow-brown powder Storage Temperature: Store at 0-8 °C

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