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Standard farmaceutici

Standard farmaceutici

Gli standard farmaceutici sono un insieme completo di materiali di riferimento essenziali per garantire la sicurezza, l'efficacia e la qualità dei prodotti farmaceutici. Questa categoria include standard per ingredienti farmaceutici attivi (API), che sono i componenti principali responsabili degli effetti terapeutici. Inoltre, copre composti e metaboliti rilevanti sia per l'industria farmaceutica che veterinaria, fornendo punti di riferimento per la misurazione e l'analisi precisa di queste sostanze. Gli standard di controllo delle nitrosammine sono cruciali per rilevare e mitigare le nitrosammine potenzialmente dannose nelle formulazioni di farmaci. Gli standard di tossicologia aiutano a valutare la sicurezza e i potenziali effetti avversi dei composti farmaceutici. Inoltre, gli standard per attivatori e inibitori enzimatici sono vitali per la ricerca e lo sviluppo, consentendo studi precisi delle vie biochimiche e dei meccanismi d'azione dei farmaci. Questi standard farmaceutici sono strumenti indispensabili per la conformità normativa, il controllo di qualità e la ricerca, garantendo che i prodotti farmaceutici soddisfino rigorosi criteri di sicurezza ed efficacia.

Sottocategorie di "Standard farmaceutici"

Trovati 7836 prodotti di "Standard farmaceutici"

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  • 2,3,5-Trimethyl-4-nitropyridine 1-oxide

    CAS:

    The reaction of 2,3,5-trimethyl-4-nitropyridine 1-oxide with hydrogen peroxide is an example of a peroxide reaction. The HOOH molecule is a nucleophilic and attacks the CNO group. This leads to the formation of a new bond between the oxygen and carbon atoms in the molecule. The oxygen atom then becomes an oxidizing agent, which can react with other molecules in order to form more products. In this reaction, hydrogen peroxide is used as an oxidizing agent to produce chlorine gas, water vapor, and nitric oxide gas. The reaction can be summarized as follows: 2CNO + 3HOOH → 4CO + 2O + 3N2O + 3HO2

    Formula:C8H10N2O3
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:182.18 g/mol

    Ref: 3D-FT146085

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  • 4'-(Trifluoromethyl)acetophenone

    CAS:

    4'-(Trifluoromethyl)acetophenone is a phosphatase inhibitor that has been shown to have inhibitory activity against chemokines. Chemokines are a type of cytokine that are secreted by immune cells and play an important role in inflammation. 4'-(Trifluoromethyl)acetophenone has also been shown to have an effect on the cell membrane permeability of amines and 2-aminobenzyl alcohol, which are substrates for the enzyme. 4'-(Trifluoromethyl)acetophenone reacts with imidazole derivatives, such as trifluoride, forming hydrogen bonds between the two molecules. Kinetic studies have demonstrated that this reaction is reversible in solution at room temperature.

    Formula:C9H7F3O
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:188.15 g/mol

    Ref: 3D-FT28471

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  • 3,3',4',5,5',8-Hexahydroxyflavone

    CAS:

    3,3',4',5,5',8-Hexahydroxyflavone is a naturally occurring flavonoid, which is a type of polyphenolic compound. It is derived from various plant sources, including fruits, vegetables, and certain medicinal herbs. The compound is characterized by its chemical structure, which includes multiple hydroxyl groups, contributing to its biological activity.

    The mode of action of 3,3',4',5,5',8-Hexahydroxyflavone involves its interaction with various cellular pathways and enzymes. Primarily, it is known for its antioxidant properties, where it scavenges free radicals and reactive oxygen species, thereby reducing oxidative stress. Additionally, it may exhibit anti-inflammatory effects by modulating signaling pathways involved in inflammation.

    In terms of uses and applications, 3,3',4',5,5',8-Hexahydroxyflavone is primarily explored in scientific research focusing on its potential health benefits. Studies investigate its role in disease prevention, particularly conditions associated with oxidative stress and inflammation, such as cardiovascular diseases and neurodegenerative disorders. While it holds promise in these areas, further research is necessary to fully understand its mechanisms and therapeutic potential.

    Formula:C15H10O8
    Purezza:Min. 95%
    Peso molecolare:318.24 g/mol

    Ref: 3D-FH165767

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  • 1-(3,4-Methylenedioxyphenyl) 2-nitropropene

    CAS:

    1-(3,4-Methylenedioxyphenyl) 2-nitropropene (1-MPNP) is a phosphatase inhibitor that is active against gram-negative bacteria by inhibiting enterotoxins and chlamydia. 1-MPNP inhibits the activity of tyrosine phosphatases, which are enzymes that play a major role in bacterial virulence. 1-MPNP competitively inhibits the activity of tyrosine phosphatases and prevents them from catalyzing the hydrolysis of polyphosphate substrates. This inhibition leads to an accumulation of polyphosphates in the bacterial cell membrane, which disrupts its permeability and leads to cell death.

    Formula:C10H9NO4
    Purezza:Min. 97.5 Area-%
    Colore e forma:Yellow Powder
    Peso molecolare:207.18 g/mol

    Ref: 3D-FM67977

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  • Diazolidinyl urea

    CAS:

    Diazolidinyl urea is a preservative used in cosmetics and pharmaceuticals. It is an antimicrobial agent that causes cell lysis by inhibiting the respiratory synthesis of bacteria. Diazolidinyl urea has been shown to be effective against Gram-positive and Gram-negative bacteria, yeast, and mold. The analytical method for diazolidinyl urea is well established, with detection limits of 0.1 ppm. Diazolidinyl urea is stable under normal conditions, but can be degraded by heat or pH changes. This preservative also inhibits microbial growth by reducing the availability of p-hydroxybenzoic acid (pHBA) and formaldehyde as substrates for bacterial metabolism. Diazolidinyl urea also prevents the formation of biofilms on wet surfaces and exhibits some anti-inflammatory effects.

    Formula:C8H14N4O7
    Colore e forma:Powder
    Peso molecolare:278.22 g/mol

    Ref: 3D-FD153249

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  • Guanosine-5'-triphosphate Disodium Salt (~85%)

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    CAS:

    Applications Guanosine-5'-triphosphate disodium salt (CAS# 56001-37-7) is a nucleotide used in the preparation of photoreactive GTP affinity probes, and in inhibitors of eukaryotic initiation factor eIF-4E.
    References George Cisar, E. A.; J. Am. Chem. Soc., 135, 4676 (2013); Ghosh, P.; et al.: Bioorg. Med. Chem. Lett., 16, 750 (2006).

    Formula:C10H14N5O14P3Na2
    Purezza:~85%
    Colore e forma:Neat
    Peso molecolare:567.14

    Ref: TR-G838608

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  • Triethylborane (1.0 M in THF)

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    CAS:

    Applications Triethylborane reacted with 8-hydroxyquinoline to synthesize three 8--​hydroxyquinolato (q) boron compounds B(C2H5)​2q (1)​, BPh2q (2)​, and B(2-​naph)​2q (3).
    References Wu, Q., et al.: Chem. Mater., 12, 79 (2000).

    Formula:C6H15B
    Colore e forma:Single Solution
    Peso molecolare:97.99

    Ref: TR-T776445

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  • Ethyl Dichlorophosphate

    Prodotto controllato
    CAS:
    Formula:C2H5Cl2O2P
    Colore e forma:White to Off-White Solid
    Peso molecolare:162.94

    Ref: TR-E915920

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  • N-Acetylethylene Urea-d4

    Prodotto controllato
    CAS:

    Applications N-Acetylethylene Urea-d4 (cas# 1189701-94-7) is a compound useful in organic synthesis.

    Formula:C5H4H4N2O2
    Colore e forma:Neat
    Peso molecolare:132.15

    Ref: TR-A174602

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  • N-a-t-Boc-N-g-trityl-L-asparagine

    CAS:

    N-a-t-Boc-N-g-trityl-L-asparagine is a recombinant human protein that has been synthesized in E. coli. It is a peptide with 17β-estradiol at its C terminus, and it binds to the oestrogen receptor α (ERα) via hydrogen bonding interactions. The linker between the asparagine and estradiol is a Boc group that can be removed by protease activity, revealing the active form of 17β-estradiol. ERα ligates to N-a-t-Boc-N-g-trityl L asparagine with high affinity, and this interaction is reversible. The linker also contains a functional group for surface attachment, which may be used to attach this peptide to a solid support or tissue culture substrate for use in cell cultures.
    br>

    Formula:C28H30N2O5
    Purezza:Min. 95%
    Colore e forma:White Powder
    Peso molecolare:474.55 g/mol

    Ref: 3D-FB39381

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  • 6-Methyl-4-hydroxycoumarin

    CAS:

    6-Methyl-4-hydroxycoumarin is a coumarin derivative that has been shown to have potent inhibitory activity against both Gram-positive and Gram-negative bacteria. It also inhibits the growth of leukemia cells and shows anti-inflammatory properties. The photophysical studies of this molecule show that it has absorption bands in the visible region, which may be attributed to its hydroxyl group. 6-Methyl-4-hydroxycoumarin has also been shown to be an effective inhibitor of LPS (lipopolysaccharide)-stimulated RAW 264.7 cells, as well as benzofuran derivatives that have been shown to have inflammatory propertys.

    Formula:C10H8O3
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:176.17 g/mol

    Ref: 3D-FM12567

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  • a-(4-Chlorophenyl)thio urea

    CAS:

    The a-(4-chlorophenyl)thio urea is an efficient method for the synthesis of thiourea derivatives. The method involves chlorinating the corresponding amine with chlorine gas and adding a solution of potassium azide in water to give the 4-chlorophenylthio urea. This reaction is catalyzed by hydrochloric acid or other strong mineral acids. The product is purified by recrystallization and characterized by melting point, IR spectroscopy, elemental analysis, and NMR spectroscopy. The compounds are effective inhibitors of melanogenesis and have potent inhibitory activity against ABCA1.

    Formula:C7H7ClN2S
    Purezza:Min. 95%
    Peso molecolare:186.66 g/mol

    Ref: 3D-FC20353

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  • (Z)-α-Bisabolene

    Prodotto controllato
    CAS:
    Formula:C15H24
    Colore e forma:Neat
    Peso molecolare:204.351

    Ref: TR-B399825

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  • N-Methylperfluorooctanesulfonamide-d3 (50μg/mL in Methanol)

    Prodotto controllato
    CAS:
    Formula:C9HD3F17NO2S
    Colore e forma:Single Solution
    Peso molecolare:516.19

    Ref: TR-KIT7980

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  • (-)-γ-Cadinene

    Prodotto controllato
    CAS:
    Formula:C15H24
    Colore e forma:Colourless
    Peso molecolare:204.351

    Ref: TR-C058505

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  • N,N-Bis(carboxymethyl-13C)-L-alanine

    Prodotto controllato
    CAS:
    Formula:C513C2H11NO6
    Colore e forma:Off White Solid
    Peso molecolare:273.10

    Ref: TR-M311638

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  • Methanesulfonyl Chloride-d3,13C

    CAS:
    Formula:C2H3ClO2S
    Colore e forma:Colourless Oil
    Peso molecolare:118.56

    Ref: TR-M258847

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  • p-Cresol-(methyl-13C)

    Prodotto controllato
    CAS:

    Applications The formation of p-Cresol-(methyl-13C) via phenol methylation at higher temperature from the deactivation of basic catalyst.
    Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package
    References Borodina, I. B., et al.: Russ. J. Phys. Chem., 80, 892-898 (2006)

    Formula:CC6H8O
    Colore e forma:Neat
    Peso molecolare:109.13

    Ref: TR-C781904

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  • Etioporphyrin I Nickel

    Prodotto controllato
    CAS:
    Formula:C32H36N4Ni
    Colore e forma:Neat
    Peso molecolare:535.348

    Ref: TR-E932955

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  • 2,3-Dinor iPF2α-III-d9

    Prodotto controllato
    CAS:
    Formula:C18D9H21O5
    Colore e forma:Neat
    Peso molecolare:335.483

    Ref: TR-P838652

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  • Methyl (2E)-2-Deoxy-2-(2-ethoxy-2-oxoethylidene)-3,4-O-isopropylidene-β-L-erythro-pentopyranoside-13C3

    Prodotto controllato

    Formula:C3C10H20O6
    Colore e forma:Neat
    Peso molecolare:275.272

    Ref: TR-M296202

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  • α-Ketobutyric Acid-d2 Sodium

    Prodotto controllato
    CAS:
    Formula:C4D2H3O3·Na
    Colore e forma:Neat
    Peso molecolare:126.083

    Ref: TR-K175304

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  • [4S-(4a,7b,7aa)]-7,7a-Dihydro-7-hydroxy-4-methoxy-4H-furo[3,2-c]pyran-2(6H)-one-13C3

    Prodotto controllato
    CAS:

    Applications [4S-(4α,7β,7aα)]-7,7a-Dihydro-7-hydroxy-4-methoxy-4H-furo[3,2-c]pyran-2(6H)-one-13C3 is an intermediate used in the synthesis of Patulin-13C3 (P206502), which is a labelled Patulin (PAT), a mycotoxin produced by certain species of Penicillium, Aspergillus, and Byssochlamys, is mainly found in ripe apple and apple products. Patulin-induced genotoxicity and modulation of glutathione in Hep G2 cells. Antibiotic.
    References Scott, P., et al.: J. Agric. Food Chem., 20, 450 (1972), Aden, D., et al.: Nature, 282, 615 (1979), Surralles, J., et al.: Mutat. Res., 341, 169 (1995), Alves, I., et al.: Mutagenesis, 15, 229 (2000), Liu, B., et al.: Toxicol. Appl. Pharmacol., 191, 255 (2003)

    Formula:C5C3H10O5
    Colore e forma:Neat
    Peso molecolare:189.14

    Ref: TR-D449413

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  • (17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol

    Prodotto controllato
    CAS:
    Please enquire for more information about (17a)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5-dien-20-yn-17-ol including the price, delivery time and more detailed product information at the technical inquiry form on this page
    Formula:C22H30O2
    Purezza:Min. 95%
    Peso molecolare:326.47 g/mol

    Ref: 3D-FE23118

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  • (NZ)-4-chloro-N-[1-[2-(4-nitrophenyl)ethyl]piperidin-2-ylidene]benzenesulfonamide

    Prodotto controllato
    CAS:

    Please enquire for more information about (NZ)-4-chloro-N-[1-[2-(4-nitrophenyl)ethyl]piperidin-2-ylidene]benzenesulfonamide including the price, delivery time and more detailed product information at the technical inquiry form on this page

    Formula:C19H20ClN3O4S
    Purezza:Min. 95%
    Peso molecolare:421.9 g/mol

    Ref: 3D-FN154024

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  • Codeine Impurity F

    Prodotto controllato
    CAS:

    Codeine Impurity F is a biochemical that is an impurity of codeine. Codeine Impurity F is a byproduct of the enzymatic reaction with morphine and the bacterial strain Pseudomonas putida. Codeine Impurity F has been shown to inhibit the growth of gram-negative bacteria, including Escherichia coli and Salmonella enterica, by binding to cellular membranes and inhibiting their function. It also binds to RNA in vitro and prevents translation of mRNA from its ribosome complex. The hydroxyl group on Codeine Impurity F binds to aluminium ions, which may interfere with the absorption of other drugs such as ampicillin or tetracycline. This impurity has been shown to have an effect on biological products such as immunoglobulins and albumin.

    Formula:C18H21NO4
    Purezza:Min. 95%
    Peso molecolare:315.36 g/mol

    Ref: 3D-FC161072

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  • Naphthalene

    CAS:

    Naphthalene is a chemical that is used for wastewater treatment and as a pesticide. It is also used in the manufacturing of polymers, resins, and plastics. Naphthalene has antimicrobial properties due to its hydrophobic effect. Naphthalene's antimicrobial activity is based on its ability to react with the skeleton of bacterial cells and disrupt the integrity of their outer membrane. Naphthalene also interacts with proteins and DNA, causing cell death. The molecular mechanisms of naphthalene's antibacterial activity are not well understood but have been studied using Hl-60 cells, which are immortalized human monocytic leukemia cells. This study showed that naphthalene affects the cell cycle by inhibiting protein synthesis in bacteria through binding to ribosomes or by disrupting the dna replication process.

    Formula:C10H8
    Purezza:Min. 95%
    Peso molecolare:128.17 g/mol

    Ref: 3D-FN10260

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  • Vitamin B12 c-lactone

    CAS:

    Please enquire for more information about Vitamin B12 c-lactone including the price, delivery time and more detailed product information at the technical inquiry form on this page

    Formula:C63H85CoN13O15P
    Purezza:Area-% Min. 95 Area-%
    Peso molecolare:1,354.33 g/mol

    Ref: 3D-FV167409

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  • Valeric acid

    CAS:

    Valeric acid is a fatty acid that is used in the manufacture of polymers. Valeric acid can be synthesized from caproic acid, which is found in palm oil and coconut oil. Valeric acid has been shown to inhibit the activity of nicotinic acetylcholine receptors at low concentrations and to have an inhibitory effect on the ryanodine receptor at high concentrations. Valeric acid also has a matrix effect on analytical methods such as gas-liquid chromatography, which has been modeled using polymer compositions.

    Formula:C5H10O2
    Purezza:Min. 95%
    Peso molecolare:102.13 g/mol

    Ref: 3D-FV34914

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  • 3-Iodo-L-tyrosine

    CAS:

    Please enquire for more information about 3-Iodo-L-tyrosine including the price, delivery time and more detailed product information at the technical inquiry form on this page

    Formula:C9H10INO3
    Purezza:Min. 96.0 Area-%
    Colore e forma:Powder
    Peso molecolare:307.09 g/mol

    Ref: 3D-FI12110

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  • 2,6-Dimethylaniline hydrochloride

    CAS:

    Ropivacaine Related Compound A is a chemical compound that has not been fully characterized. It is an inhibitor of the enzyme P-hydroxybenzoic acid, which is involved in the synthesis of tyrosine and phenylalanine. Ropivacaine Related Compound A has shown to be potent inducers of the enzyme polymerase chain reaction (PCR) when combined with other chemicals such as potassium peroxydisulfate. The optimum concentration for this chemical compound to inhibit PCR reactions is 50 mM. Ropivacaine Related Compound A may have carcinogenic potential due to its ability to form p-hydroxybenzoic acid and other carcinogenic compounds. This chemical compound has been found to be a good candidate for wastewater treatment due to its low potency and high solubility in water.

    Formula:C8H12ClN
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:157.64 g/mol

    Ref: 3D-FR45639

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  • AMCA-Glu-Glu-Lys-Pro-Ile-Ser-Phe-Phe-Arg-Leu-Gly-Lys(biotinyl)-NH2

    CAS:

    Please enquire for more information about AMCA-Glu-Glu-Lys-Pro-Ile-Ser-Phe-Phe-Arg-Leu-Gly-Lys(biotinyl)-NH2 including the price, delivery time and more detailed product information at the technical inquiry form on this page

    Formula:C90H131N21O22S
    Purezza:Min. 95%
    Peso molecolare:1,891.2 g/mol

    Ref: 3D-FA110984

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  • Biotin-PEG8-NHS ester

    CAS:
    Biotin-PEG8-NHS ester is a PEG compound with two different functional groups (also known as heterobifunctional). Unlike homobifunctional PEG compounds (same functional group on both ends), this type of compounds are more versatile as have two different anchor points. Biotin-PEG8-NHS ester is used as a linker and spacer to add a PEG moiety, via pegylation (a bioconjugation technique) to proteins, peptides, oligonucleotides, small molecules and nanoparticles.
    Formula:C33H56N4O14S
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:764.88 g/mol

    Ref: 3D-FB72908

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  • 5-Deazariboflavin

    CAS:

    5-Deazariboflavin is a proton carrier that is found in the mitochondrial cytochrome b. It has been shown to bind covalently to the protein, forming 5-deazariboflavin-protein adducts. These adducts are formed by reacting with amines and other amino acids present in the protein. In vitro studies have shown that 5-deazariboflavin inhibits Mycobacterium avium growth and acid production by binding to the enzyme pyruvate kinase, which is involved in glycolysis. 5-Deazariboflavin can also be used as an indicator of pH because it is reduced at low pH levels and oxidized at high pH levels. The second order rate constant for this reaction can be determined using kinetic data, such as absorbance or fluorescence properties.

    Formula:C18H21N3O6
    Purezza:Min. 95%
    Colore e forma:Yellow Powder
    Peso molecolare:375.38 g/mol

    Ref: 3D-FD34334

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  • 3-Hydroxy-3-methylglutaric acid

    CAS:

    3-Hydroxy-3-methylglutaric acid is an organic acid that is a valuable intermediate in the chemical production of epidermal growth factor. 3-Hydroxy-3-methylglutaric acid also has been shown to be useful as a reagent for the detection of bacterial strains, including E. coli, Salmonella enterica, and Pseudomonas aeruginosa. The enzyme activities of 3-hydroxy-3-methylglutaric acid are not well understood, but it has been shown to have effects on congestive heart failure and bowel disease. 3-Hydroxy-3-methylglutaric acid may be used in the treatment of inflammatory bowel disease due to its ability to inhibit certain enzymes responsible for inflammation and pain. The long term toxicity and symptoms associated with 3-hydroxy-3-methylglutaric acid have not yet been studied, but it has been shown to have no effect on cardiac function

    Formula:C6H10O5
    Purezza:Min. 95%
    Peso molecolare:162.14 g/mol

    Ref: 3D-FH57974

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  • 2-Bromo-3',4'-(methylenedioxy)propiophenone

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    CAS:

    Please enquire for more information about 2-Bromo-3',4'-(methylenedioxy)propiophenone including the price, delivery time and more detailed product information at the technical inquiry form on this page

    Formula:C10H9BrO3
    Purezza:Min. 95%
    Colore e forma:Powder
    Peso molecolare:257.08 g/mol

    Ref: 3D-FB19106

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