MilliporeSigma, 100 g, Reagents, P
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Pyrocatechol, =99%, powder
MilliporeSigmaSynonyms: 1,2-Benzenediol; 1,2-Dihydroxybenzene; Catechol Formula: C6H4-1,2-(OH)2 Formula Weight: 110.11 CAS No.: 120-80-9 Purity: ≥99% Caution: May discolor on exposure to air and light.
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Synonyms: KHP; Phthalic acid monopotassium salt; Potassium biphthalate; Potassium hydrogen phthalate Formula: HOOCC6H4COOK Formula Weight: 204.22 CAS No.: 877-24-7 Purity: 99.95-100.05% dry basis Packaging: 1 kg in poly bottle …
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SIGMA D-Phenylalanine, =98% (TLC)
MilliporeSigmaSynonyms: ( R )-2-Amino-3-phenylpropionic acid Formula: C9H11NO2 Formula Weight: 165.19 CAS No.: 673-06-3 Purity: ≥98% (TLC) Packaging: 5, 25, 100 g in poly bottle
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SIGMA POPSO hydrate, =99% (titration)
MilliporeSigmaSynonyms: Piperazine-1,4-bis(2-hydroxypropanesulfonic acid) dihydrate; Piperazine-N,N′-bis(2-hydroxypropanesulfonic acid) Formula: C10H22N2O8S2 · xH2O Formula Weight: 362.42 (anhydrous basis) CAS No.: 68189-43-5…
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Potassium sulfate fertilizer (elemental composition)
MilliporeSigmaBCR ® certified Reference Material
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Synonym: Pepsin A, Pepsin from hog stomach CAS Number: 9001-75-6 EC Number: 232-629-3 Enzyme Commission (EC) Number: 3.4.23.1 MDL Number: MFCD00081840 Analysis Note Optimum pH is 2-4. Active in 4 M urea and 3 M guanidine HCl. Stable at 60 °C. Pepsin is irreversibly…
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Synonym(s): Pepsin A; Pepsin from hog stomach MDL Number: MFCD00081840
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SIAL 4-Phenylazophenol
MilliporeSigma98% Synonym(s): 4-Hydroxyazobenzene; Solvent Yellow 7 Empirical Formula: C12H10N2O Formula Weight: 198.22 Linear Formula: C6H5N=NC6H4OH MDL Number: MFCD00002330 Purity: 98% Melting Point: …
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Linear Formula: [CH2CH=C(CH3)CH2]n MDL Number: MFCD00084438 Density: 0.92 g/mL at 25 °C
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Molecular Formula: ClKO3 Molecular Weight: 122.55 Linear Structural Formula: KClO3 MDL Number: MFCD00011361 Purity: >=99% Melting Point: 356 C (lit.) Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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Potassium borohydride, 0.98
MilliporeSigmaSynonyms: Potassium tetrahydroborate CAS Number: 13762-51-1 Formula: H4BK Formula Weight: 53.94 Linear Formula: KBH4 MDL No.: MFCD00011396 Purity: 0.98 Melting Point: 500 C (dec.) (lit.) Density: 1.18 g/mL at 25 C(lit.) EC Number: 237-360-5 UNSPSC Code: 12352000 …
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SIGMA Pipemidic acid
MilliporeSigmaSynonym(s): 8-Ethyl-5,8-dihydro-5-oxo-2-(1-piperazinyl)pyrido(2,3-d)pyrimidine-6-carboxylic acid Empirical Formula: C14H17N5O3 Linear Formula: C14H17N5O3 Formula Weight: 303.32 MDL Number: MFCD00057291
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ALDRICH Poly[(R)-3-hydroxybutyric acid], natural origin
MilliporeSigmaSynonym(s): ( R )-3-Hydroxybutyric acid polymerized; PHB Linear Formula: [COCH2CH(CH3)O]n MDL Number: MFCD00134263
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Piperazine, ReagentPlus®, 99%
MilliporeSigmaPiperazine (PZ) is an amine solvent. The ability of aqueous PZ to absorb carbon dioxide (CO2) has been assessed. It is reported to cause paralysis in Ascaris worms. The analysis of the crystal structure of PZ at 150K shows the presence of layered structure with NH...N hydrogen-bonded chains. …
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Phenobarbital,
MilliporeSigmaSynonyms: 5-Ethyl-5-phenyl-2,4,6-pyrimidinetrione; 5-Ethyl-5-phenylbarbituric acid; Luminal CAS Number: 50-06-6 Formula: C12H12N2O3 Formula Weight: 232.24 Linear Formula: C12H12N2O3 MDL No.: MFCD00066494 Beilstein Registry Number: 233363 EC Number: 200-007-0 UNSPSC Code: …
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Polyvinylpyrrolidone, average mol wt 10,000
MilliporeSigmaSynonyms: PVP; Polyvidone; Povidone Formula: (C6H9NO)n CAS No.: 9003-39-8 Other Notes: Polyvinylpyrrolidone is a component of Denhardt′s Solution and is included at a concentration of 1% (w/v) in the standard 50X stock solution. Packaging: 1 kg in…
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Phosphorus pentoxide is a deliquescent compound prepared by reacting phosphorus with air. It is a commonly used as dehydrating and condensing agent in organic synthesis. Synonyms: Phosphoric anhydride; Phosphorus(V) oxide Molecular Formula: O5P2 Molecular Weight: 141.94 Linear…
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Synonyms: Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate Formula: K2HPO4 Formula Weight: 174.18 CAS No.: 7758-11-4
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ALDRICH Phenylglyoxylic acid, 97%
MilliporeSigmaSynonym(s): α-Oxophenylacetic acid; Benzoylformic acid Empirical Formula: C8H6O3 Linear Formula: C6H5COCOOH Formula Weight: 150.13 MDL Number: MFCD00002575 Purity: 97% Melting Point: 62-65 °C(lit.) …
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ALDRICH Phthalimide potassium salt, 98%
MilliporeSigmaSynonym(s): 1,3-Dihydro-1,3-dioxoisoindole potassium salt; Potassium phthalimide Formula: C8H4KNO2 Formula Weight: 185.22 CAS No.: 1074-82-4 Purity: 98% Application: Reagent which transforms allyl- and alkyl halides into protected primary amines. 1, …
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Synonym(s): PEOX; POx; PetOx; poly 2-ethyloxazoline; polyethyloxazoline Linear Formula: [-N(COC2H5)CH2CH2-]n MDL Number: MFCD00134377 Density: 1.14 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.52
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Phenol, BioXtra, >=99.5% (GC)
MilliporeSigmaSynonyms: Hydroxybenzene CAS Number: 108-95-2 Formula: C6H6O Formula Weight: 94.11 Linear Formula: C6H5OH MDL No.: MFCD00002143 Purity: >=99.5% (GC) Boiling Point: 182 C(lit.) Melting Point: 40-42 C (lit.) Density: 1.071 g/mL at 25 C(lit.) Storage: 2-8C Beilstein…
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Polyvinylpyrrolidone
MilliporeSigmaK 30, average Mw 40,000 Synonym(s): ‘Plasdone'; PVP; Polyvidone; Povidone Linear Formula: (C6H9NO)n MDL Number: MFCD00149016 RTECS No.: TR8370000
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Potassium phosphate dibasic trihydrate, ReagentPlus®, =99.0%
MilliporeSigmaSynonyms: Dipotassium hydrogen phosphate trihydrate; Dipotassium phosphate; di-Potassium hydrogen phosphate trihydrate Formula: K2HPO4 · 3H2O Formula Weight: 228.22 CAS No.: 16788-57-1 Purity: ≥99.0% Legal Information: ReagentPlus is a…
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Potassium persulfate, ACS reagent, =99.0%
MilliporeSigmaSynonyms: Potassium peroxodisulfate Formula: K2S2O8 Formula Weight: 270.32 CAS No.: 7727-21-1 Purity: ≥99.0% Packaging: 100, 500 g in poly bottle Packaging: 5 g in glass bottle
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Synonym(s): PVDF-HFP Linear Formula: (-CH2CF2-)x[-CF2CF(CF3)-]y MDL Number: MFCD00212573 Melting Point: 115-135 °C Density: 1.77 g/mL at 25 °C Refractive Index: n 20/D 1.41
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Polyacrylonitrile, average Mw 150,000 (Typical)
MilliporeSigmaCAS No.: 25014-41-9 Synonyms: Vinyl cyanide Linear Formula: (C3H3N)n MDL No.: MFCD00084395 Density: 1.184 g/mL at 25 °C(lit.) Refractive Index: n 20/D 1.514
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Synonyms: 1,2-Benzenediol; 1,2-Dihydroxybenzene; Catechol Formula: C6H4-1,2-(OH)2 Formula Weight: 110.11 CAS No.: 120-80-9 Purity: ≥99% Caution: May discolor on exposure to air and light.