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Potassium Phosphate (Tribasic)
Potassium Phosphate is used in fertilzers and shows microbicidal activity toward pathogenic bacteria associated with poultry when coupled with lauric and myristic fatty acids. It is also used as an additive in food as an emulsifier. Group: Biochemicals. Grades: Highly Purified. CAS No. 7778-53-2. Pack Sizes: 25g, 50g. Molecular Formula: K3O4P. US Biological Life Sciences.
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Potassium phosphate tribasic 98+% ACS
used as a buffering agent. Group: Biochemicals. Alternative Names: tri-Potassium orthophosphate; Tripotassium phosphate. Grades: ACS Grade. CAS No. 7778-53-2. Pack Sizes: 100g, 250g, 1Kg, 2.5Kg, 5Kg. Molecular Formula: K3PO4, Molecular Weight: 212.27. US Biological Life Sciences.
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Potassium p-Toluenethiosulfonate
Potassium p-Toluenethiosulfonate. Group: Biochemicals. Alternative Names: p-Toluenethiosulfonic Acid Potassium Salt. Grades: Highly Purified. CAS No. 28519-50-8. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
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Potassium pyridine-3-trifluoroborate
Potassium pyridine-3-trifluoroborate. Group: Biochemicals. Grades: Highly Purified. CAS No. 561328-69-6. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C5H4BF3N·K. US Biological Life Sciences.
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Potassium pyrophosphate
Potassium pyrophosphate. Group: Biochemicals. Alternative Names: Tetrapotassium pyrophosphate; Tetrapotassium diphosphoric acid salt; Tetrapotassium phosphonato phosphate; TKPP. Grades: Highly Purified. CAS No. 7320-34-5. Pack Sizes: 500g, 1·Kg, 2Kg, 5Kg, 10Kg. Molecular Formula: K4P2O7. US Biological Life Sciences.
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Potassium Pyruvate
Pyruvic Acid Potassium Salt is an intermdiate in sugar metabolism and enzymatic carbohydrate degredation. It is converted by carboxylase into acetaldehyde and CO2. In muscle, it is reduced to lactic acid during exertion, then reoxidized and partly retransformed to glycogen upon resting. When present in culture medium, it improves coliform recovery. It has been shown to be involved in a mitochondrial oxidant-activated metabolic regulatory pathway. It has also been shown to be involved in plant respiratory regulation. Group: Biochemicals. Alternative Names: Pyruvic Acid Potassium Salt. Grades: Highly Purified. CAS No. 4151-33-1. Pack Sizes: 50g, 100g, 250g, 500g. Molecular Formula: C3H3KO3, Molecular Weight: 126.15. US Biological Life Sciences.
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Potassium salicylate
Potassium salicylate. Group: Biochemicals. Grades: Highly Purified. CAS No. 578-36-9. Pack Sizes: 500mg, 1g, 2g, 5g. Molecular Formula: C7H5O3K. US Biological Life Sciences.
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Potassium selenocyanate
Potassium selenocyanate. Group: Biochemicals. Grades: Highly Purified. CAS No. 3425-46-5. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
Potassium sodium tartrate tetrshydrate. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1kg, 2kg, 5kg, 10kg, 25kg. US Biological Life Sciences.
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Potassium Sorbate
Potassium Sorbate acts as a potential antifungal agent when used in conjunction with polyethylene films. Also used as a corrosion inhibitor via corrosion mitigation. Group: Biochemicals. Grades: Highly Purified. CAS No. 24634-61-5. Pack Sizes: 5g, 50g. Molecular Formula: C6H7KO2. US Biological Life Sciences.
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Potassium stannate
Potassium stannate. Group: Biochemicals. Alternative Names: Potassium tin (IV) oxide. Grades: Highly Purified. CAS No. 12125-03-0. Pack Sizes: 1kg. US Biological Life Sciences.
Potassium sulfate is a water-soluble inorganic salt that is commonly used in fertilizers. It can be prepared by reacting phosphogypsum and potassium chloride. K2SO4 can form needle-like mullite particles on heating with aluminum sulfate and silicon dioxide. Its application to the soil has shown to minimize bronzing of rice plants. Potassium sulfate may be used as a sulfonating agent in the preparation of 4?-dibenzo-18-crown-6-sulfonic acid via sulfonation of dibenzo-18-crown-6. Group: Biochemicals. Grades: ACS Grade. CAS No. 7778-80-5. Pack Sizes: 500g, 1Kg, 2.5Kg, 5Kg, 10Kg. Molecular Formula: K2SO4, Molecular Weight: 174.26. US Biological Life Sciences.
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Potassium-t-butoxide
Potassium-t-butoxide. Group: Biochemicals. Grades: Highly Purified. CAS No. 865-47-4. Pack Sizes: 250g, 500g, 1kg. Molecular Formula: C4H9KO. US Biological Life Sciences.
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Potassium tellurite, hydrate
Potassium tellurite, hydrate. Group: Biochemicals. Alternative Names: Potassium tellurate (IV), hydrate. Grades: Purified. CAS No. 123333-66-4. Pack Sizes: 25g, 100g. Molecular Formula: K2TeO3·H2O, Molecular Weight: 271.81. US Biological Life Sciences.
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Potassium tert-butoxide 99+%
Potassium tert-butoxide 99+%. Group: Biochemicals. Grades: Reagent Grade. CAS No. 865-47-4. Pack Sizes: 25g, 100g, 250g, 1Kg, 2.5Kg. US Biological Life Sciences.
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Potassium tetrachloroaurate(III) hexahydrate
Potassium tetrachloroaurate(III) hexahydrate. Group: Biochemicals. Alternative Names: Potassium tetrachloroaurate(III) n-hydrate. Grades: Highly Purified. CAS No. 27988-75-6. Pack Sizes: 500mg, 1g, 2g, 5g. US Biological Life Sciences.
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Potassium tetrachloropalladate (II)
Potassium tetrachloropalladate (II). Group: Biochemicals. Alternative Names: Potassium palladium(II) chloride. Grades: Highly Purified. CAS No. 10025-98-6. Pack Sizes: 1g, 2g, 5g. US Biological Life Sciences.
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Potassium tetrachloropalladate (II) (Pd content ≥32.5%)
Potassium tetrachloropalladate (II) (Pd content ≥32.5%). Group: Biochemicals. Grades: Reagent Grade. CAS No. 10025-98-6. Pack Sizes: 1g, 5g, 10g. US Biological Life Sciences.
Potassium tetrafluoroborate. Group: Biochemicals. Alternative Names: Potassium borofluoride. Grades: Highly Purified. CAS No. 14075-53-7. Pack Sizes: 2kg, 5kg. US Biological Life Sciences.
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Potassium tetrafluoroborate 98+%
Potassium tetrafluoroborate 98+%. Group: Biochemicals. Grades: Reagent Grade. Pack Sizes: 100g, 250g, 1Kg, 5Kg. US Biological Life Sciences.
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Potassium Tetrakis(4-chlorophenyl)borate
Potassium tetrakis(4-chlorophenyl)borate was used as lipophilic anionic site in constructing fluorescent optode for sodium. It was also used as coating for the piezoelectric crystal in quantifying Potassium using quartz crystal microbalance. Group: Biochemicals. Alternative Names: Tetrakis(4-chlorophenyl)boron potassium. Grades: Highly Purified. CAS No. 14680-77-4. Pack Sizes: 1g. Molecular Formula: C24H16BCl4K. US Biological Life Sciences.
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Potassium Tetrathionate
Used in the preparation of tetrathionate hydrolase assay from Acidithiobacillus caldus, it acts as an energy source. Group: Biochemicals. Alternative Names: Tetrathionic acid dipotassium salt. Grades: Highly Purified. CAS No. 13932-13-3. Pack Sizes: 25g, 50g, 100g, 250g. Molecular Formula: O6S4K2, Molecular Weight: 302.46. US Biological Life Sciences.
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Potassium Thioacetate
Potassium Thioacetate is the potassium salt of Thioacetic Acid, a commonly used reagent in organic synthesis for the introduction of thiol groups in molecules. Group: Biochemicals. Alternative Names: Thioacetic Acid Potassium Salt; Ethanethioic Acid Potassium Salt; MeCOSK; Potassium Ethanethioate; Potassium Thioethanoate; Potassium Thiolacetate; S-Potassium Thioacetate. Grades: Highly Purified. CAS No. 10387-40-3. Pack Sizes: 50g. US Biological Life Sciences.
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Potassium Thiocyanate, ACS
Analysis of siliver ion; indirect determination of chloride, bromide, and iodide. Group: Biochemicals. Alternative Names: Potassium rhodanide; Potassium sulfocyanate. Grades: ACS Grade. CAS No. 333-20-0. Pack Sizes: 100g, 500g, 1Kg, 2.5Kg, 5Kg. Molecular Formula: KSCN, Molecular Weight: 97.18. US Biological Life Sciences.
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Potassium thiocyanate ≥98.5% ACS
Potassium thiocyanate ≥98.5% ACS. Group: Biochemicals. Grades: ACS Grade. Pack Sizes: 250g, 1Kg, 2.5Kg. US Biological Life Sciences.
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Potassium Trifluoro(2,2,2-trifluoroethyl)borate
Potassium Trifluoro(2,2,2-trifluoroethyl)borate is used as a reactant in the preparation of functionalized borazaronaphthalenes from reaction with aminostyrenes. Also used in the preparation of azaborines via palladium-catalyzed Suzuki-Miyaura cross-coupling. Group: Biochemicals. Grades: Highly Purified. CAS No. 1510778-85-4. Pack Sizes: 50mg, 100mg. Molecular Formula: C2H2BF6K, Molecular Weight: 189.94. US Biological Life Sciences.
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Potassium Trifluoromethane sulfonate
Potassium Trifluoromethane sulfonate. Group: Biochemicals. Alternative Names: Potassium Triflate; Trifluoromethane sulfonic Acid Potassium Salt. Grades: Highly Purified. CAS No. 2926-27-4. Pack Sizes: 10g, 25g, 50g, 100g, 250g. US Biological Life Sciences.
Potassium tris(3,5-dimethyl-1-pyrazolyl)borohydride. Group: Biochemicals. Grades: Highly Purified. CAS No. 17567-17-8. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C15H22BKN6. US Biological Life Sciences.
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Potassium Vinyltrifluoroborate
Potassium Vinyltrifluoroborate. Group: Biochemicals. Alternative Names: Potassium Trifluorovinylborate; Potassium (Ethenyl) trifluoroborate; Potassium Vinyltrifluoroborate. Grades: Highly Purified. CAS No. 13682-77-4. Pack Sizes: 2.5g. Molecular Formula: C3H5BF3K, Molecular Weight: 147.979999999999. US Biological Life Sciences.
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p-O-t-Boc-benzyl Alcohol
p-O-t-Boc-benzyl Alcohol. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1g. US Biological Life Sciences.
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Povidone iodine
Povidone iodine. Group: Biochemicals. Grades: Highly Purified. CAS No. 25655-41-8. Pack Sizes: 50g, 100g, 250g, 500g, 1kg. US Biological Life Sciences.
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Povidone-iodine
Topical anti-infective. Group: Biochemicals. Alternative Names: 1-Ethenyl-2-pyrrolidinone Homopolymer compd. with Iodine; Iodine-poly(vinylpyrrolidone) complex; Betadine; Betaisodona; Betaseptic; Braunol; Braunosan H Disadine DP. Grades: Highly Purified. CAS No. 25655-41-8. Pack Sizes: 10g. US Biological Life Sciences.
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p-Oxalotoluidide
p-Oxalotoluidide. Group: Biochemicals. Alternative Names: N1, N2-Bis (4-methylphenyl) ethanediamide; N, N'-Bis (4-methylphenyl) ethanediamide; NSC 401961. Grades: Highly Purified. CAS No. 3299-61-4. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C16H16N2O2. US Biological Life Sciences.
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p-Oxanisidide
p-Oxanisidide. Group: Biochemicals. Alternative Names: N1, N2-Bis (4-methoxyphenyl) ethanediamide; N,N'-Bis(4-methoxyphenyl)oxamide; N,N'-Di-p-anisylamide. Grades: Highly Purified. CAS No. 3299-63-6. Pack Sizes: 500mg, 1g, 2g, 5g, 10g. Molecular Formula: C16H16N2O4. US Biological Life Sciences.
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PP 121
PP 121. Group: Biochemicals. Grades: Purified. CAS No. 1092788-83-4. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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PP2A Activating Ligand, ITH12246
A cell-permeable, relatively non-toxic, 1,8-naphthyridine derived compound that blocks the inhibitory effect of protein phosphatase inhibitors, such as okadaic acid, on protein phosphatase 2A (PP2A). Exhibits blood-brain barrier permeability. Protects neurons against beta-amyloid peptides (Ab1-42) toxicity and okadaic acid-induced tau hyperphosphorylation. Also protects against rotenone and oligomycin A induced neurotoxicity in SH-SY5Y neuroblastoma cells (at ~300nM). Prevents the development of glutamate-induced neuronal lesions in rat hippocampal slices by up-regulating PP2A (~3uM). Shown to reverse the scopolamine-induced memory loss in mice (~10mg/kg i.p) and significantly reduces the infarct volume in an animal model of stroke (~2.5mg/kg). Also acts as an inhibitor of acetylcholinesterase activity in Electrophorus electricus (IC50 = 60nM) and human erythrocytes (IC50 = 780nM). Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg. Molecular Formula: C??H??N?O?·HCl. US Biological Life Sciences.
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PP 3
PP 3. Group: Biochemicals. Grades: Purified. CAS No. 5334-30-5. Pack Sizes: 10mg. US Biological Life Sciences.
A highly potent, selective and irreversible thrombin inhibitor. Group: Biochemicals. Grades: Highly Purified. CAS No. 142036-63-3. Pack Sizes: 5mg. US Biological Life Sciences.
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PPADS Tetrasodium
PPADS Tetrasodium. Group: Biochemicals. Alternative Names: 4-[2-[4-Formyl-5-hydroxy-6-methyl-3-[(phosphonooxy)methyl]-2-pyridinyl]diazenyl]-1,3-benzenedisulfonic Acid Tetrasodium Salt. Grades: Highly Purified. CAS No. 192575-19-2. Pack Sizes: 25mg. Molecular Formula: C14H10N3Na4O12PS2, Molecular Weight: 599.299999999999. US Biological Life Sciences.
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PPADS tetrasodium salt
PPADS tetrasodium salt. Group: Biochemicals. Grades: Purified. CAS No. 192575-19-2. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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PPAHV
PPAHV. Group: Biochemicals. Grades: Purified. CAS No. 175796-50-6. Pack Sizes: 1mg. US Biological Life Sciences.
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p-Phenetidine
A toxic metabolite of Phenacetin which exhibits high renal toxicity. p-Phenetidine also reduced COX-1 and COX-2 expression in neutrophils. Group: Biochemicals. Alternative Names: 4-Ethoxybenzenamine; 1-Amino-4-ethoxybenzene; 4-Aminophenetole; 4-Ethoxyaniline; 4-Ethoxybenzenamine; 4-Ethoxyphenylamine; NSC 3116; p-Aminophenetole; p-Ethoxyaniline; p-Ethoxyphenylamine; p-Phenetidin. Grades: Highly Purified. CAS No. 156-43-4. Pack Sizes: 5g. US Biological Life Sciences.
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p-Phenetidine-d5 Hydrochloride
Labeled p-Phenetidine. A toxic metabolite of Phenacetin which exhibits high renal toxicity. p-Phenetidine also reduced COX-1 and COX-2 expression in neutrophils. Group: Biochemicals. Alternative Names: 4-(Ethoxy-d5)benzenamine Hydrochloride; 1-Amino-4-(ethoxy-d5)benzene Hydrochloride; 4-Aminophenetole-d5 Hydrochloride; 4-Ethoxyaniline-d5 Hydrochloride; 4-(Ethoxy-d5)benzenamine Hydrochloride; 4-(Ethoxy-d5)phenylamine Hydrochloride; NSC 3116-d5 Hydrochloride; p-Aminophenetole-d5 Hydrochloride; p-Ethoxyaniline-d5 Hydrochloride; p-(Ethoxy-d5)phenylamine Hydrochloride; p-Phenetidin-d5 Hydrochloride. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
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PPNDS
PPNDS. Group: Biochemicals. Grades: Purified. CAS No. 1021868-77-8. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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PPPA
PPPA. Group: Biochemicals. Grades: Purified. CAS No. 113190-92-4. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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PPQ 102
PPQ 102. Group: Biochemicals. Grades: Purified. CAS No. 931706-15-9. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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PPT
PPT. Group: Biochemicals. Grades: Purified. CAS No. 263717-53-9. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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PPY A
PPY A. Group: Biochemicals. Grades: Purified. CAS No. 875634-01-8. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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PQ 401
PQ 401. Group: Biochemicals. Grades: Purified. CAS No. 196868-63-0. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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Pracinostat
Pracinostat is a potent and orally active histone deacetylase (HDAC) inhibitor with high tumor exposure and efficacy in mouse models of colorectal cancer. The selectivity of Pracinostat for tumor tissues makes it a promising therapeutic candidate for use in patients with advanced solid malignancies. Group: Biochemicals. Alternative Names: (2E)-3-[2-Butyl-1-[2-(diethylamino)ethyl]-1H-benzimidazol-5-yl]-N-hydroxyacrylamide; (E)-3-[2-Butyl-1-(2-diethylaminoethyl)-1H-benzimidazol-5-yl]-N-hydroxy-2-propenamide; Kaempferol 3-O- β-D-(6-E-p-Coumaroylglucoside); SB 939; SB939; (2E)-3-[2-Butyl-1-[2-(diethylamino)ethyl]-1H-benzimidazol-5-yl]-N-hydroxy-2-propenamide. Grades: Highly Purified. CAS No. 929016-96-6. Pack Sizes: 10mg. US Biological Life Sciences.
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Pradofloxacin hydrochloride
Pradofloxacin hydrochloride. Group: Biochemicals. Alternative Names: 8-Cyano-1-cyclopropyl-6-fluoro-1,4-dihydro-7-[(4aS,7aS)-octahydro-6H-pyrrolo[3,4-b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid hydrochloride; (4aS-cis)-Pradofloxacin hydrochloride. Grades: Highly Purified. CAS No. 195532-14-0. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. Molecular Formula: C21H22ClFN4O3. US Biological Life Sciences.
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Praeruptorin A
Praeruptorin A. Group: Biochemicals. Grades: Plant Grade. CAS No. 73069-27-9. Pack Sizes: 20mg. Molecular Formula: C21H22O7, Molecular Weight: 386.39. US Biological Life Sciences.
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Praeruptorin B
Praeruptorin B. Group: Biochemicals. CAS No. 81740-07-0. Pack Sizes: 5mg. US Biological Life Sciences.
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Praeruptorin C
Praeruptorin C. Group: Biochemicals. CAS No. 72463-77-5. Pack Sizes: 5mg. US Biological Life Sciences.
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Praeruptorin E
Praeruptorin E. Group: Biochemicals. Grades: Plant Grade. CAS No. 78478-28-1. Pack Sizes: 10mg. Molecular Formula: C24H28O7, Molecular Weight: 428.48. US Biological Life Sciences.
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Pralidoxime Chloride
This compound binds to inactivated acetylcholinesterases and is used to combat poisoning from organophosphates and nerve agents. Group: Biochemicals. Alternative Names: 2-[(Hydroxyimino)methyl]-1-methyl-pyridinium Chloride; 2-Formyl-1-methyl-pyridinium Chloride Oxime; 1-Methylpyridinium-2-aldoxime Chloride; 2-PAM Cl; 2-PAM; Protopam Chloride; 2-Pyridinealdoxime Methochloride; Pyridine-2-aldoxime Methochloride. Grades: Highly Purified. CAS No. 51-15-0. Pack Sizes: 1g. US Biological Life Sciences.
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Prallethrin
Prallethrin. Group: Biochemicals. Alternative Names: 2, 2-Dimethyl-3- (2-methyl-1-propen-1-yl) cyclopropanecarboxylic acid 2-methyl-4-oxo-3-(2-propyn-1-yl)-2-cyclopenten-1-yl ester; trans-(±)-4-Hydroxy-3-methyl-2-(2-propynyl)-2-cyclopenten-1-one 2, 2-di methyl -3- (2- methyl propenyl) cyclopropane carboxylate, (8CI); Acetylene C permethrin. Grades: Highly Purified. CAS No. 23031-36-9. Pack Sizes: 250mg, 500mg, 1g, 2g, 5g. Molecular Formula: C19H24O3. US Biological Life Sciences.
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Pramipexole
Pramipexole. Group: Biochemicals. Grades: Highly Purified. CAS No. 104632-26-0. Pack Sizes: 100mg, 250mg, 500mg, 1g, 2g. Molecular Formula: C10H17N3S. US Biological Life Sciences.
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Pramipexole dihydrochloride
Pramipexole dihydrochloride. Group: Biochemicals. Grades: Purified. CAS No. 104632-25-9. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
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Pramipexole dihydrochloride monohydrate
Pramipexole dihydrochloride monohydrate. Group: Biochemicals. Grades: Highly Purified. CAS No. 191217-81-9. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences.
A dopamine-D2-receptor agonist. Group: Biochemicals. Alternative Names: (s)-4,5,6,7-Tetrahydro-N6-propyl-2,6-benzothiazolediamine, Dihydrochloride. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
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Pramiracetam
Pramiracetam. Group: Biochemicals. Grades: Highly Purified. CAS No. 68497-62-1. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g. US Biological Life Sciences.
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Pramlintide
Pramlintide. Group: Biochemicals. Grades: Purified. CAS No. 151126-32-8. Pack Sizes: 500ug. US Biological Life Sciences.
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Pramoxine-d8
Pramoxine-d8 is the isotope labelled analog of Pramoxine (P700850); used as a local anaesthetic and often found in anti-itch formulations. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 10mg. Molecular Formula: C17H19D8NO3, Molecular Weight: 301.45. US Biological Life Sciences.
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Pramoxine Hydrochloride
Pramoxine Hydrochloride is used as a local anaesthetic and often in anti-itch formulations. Group: Biochemicals. Grades: Highly Purified. CAS No. 637-58-1. Pack Sizes: 1g, 10g. Molecular Formula: C17H28ClNO3. US Biological Life Sciences.
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Pranidipine
A novel calcium channel antagonist; cardiovascular agent. Group: Biochemicals. Alternative Names: 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 3-Methyl 5-[(2E)-3-phenyl-2-propen-1-yl] Ester; FRC 8411; OPC 13340. Grades: Highly Purified. CAS No. 99522-79-9. Pack Sizes: 10mg. US Biological Life Sciences.
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Pranlukast
Cysteinyl leukotriene receptor antagonist. The cysteinyl leukotrienes (CysLTs) LTC4 and LTD4 are potent mediators of asthma and hypersensitivity. They induce bronchoconstriction, increase microvascular permeability, and are vasoconstrictors of coronary arteries. Their biological effects are transduced by a pair of G protein-coupled receptors, CysLT1 and CysLT2.1,2,3 Pranlukast (ONO-1078) is a potent, selective and orally active cysteinyl leukotriene1 (CysLT1) receptor antagonist.4 Sold under the trade name Ultair, it was the first cysteinyl (peptidyl) leukotriene receptor antagonist (LTRA) marketed for the treatment of asthma.5 Clinical studies in Japan, Europe, and North America all show that pranlukast significantly attenuates bronchoconstriction in response to a variety of allergen challenges as well as to inhaled LTD4.5 Pranlukast binds to the human CysLT1 and CysLT2 receptors with IC50 values of approximately 4-7nM and 3,600nM, respectively. Group: Biochemicals. Alternative Names: N-{4-Oxo-2- (1H-tetrazol-5-yl) -4H-1-benzopyran-8-yl]-4- (4-phenylbutoxy) benzamide; ONO-1078; ONO-RS-411; Onon; Ultair. Grades: Highly Purified. CAS No. 103177-37-3. Pack Sizes: 50mg, 100mg, 250mg, 500mg. Molecular Formula: C??H??N?O?, Molecular Weight: 481.5. US Biological Life Sciences.