
Organic Halides
Subcategories of "Organic Halides"
Found 20442 products of "Organic Halides"
(Sar 1,Ile4·8)-Angiotensin II trifluoroacetate salt
CAS:Please enquire for more information about (Sar 1,Ile4·8)-Angiotensin II trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C43H75N13O9Purity:Min. 95%Molecular weight:918.14 g/molRef: 3D-FS109771
Discontinued product(Beta-Asp5)-delta-Sleep Inducing Peptide trifluoroacetate salt
CAS:(Beta-Asp5)-delta-Sleep Inducing Peptide is a synthetic molecule that has been shown to be an atypical compound. It is a fragment of the natural sleep-inducing peptide, which is also called clostridium sporogenes. The fragment was synthesized and found to have similar properties and structures as the natural form. The fragment is labile in neutral or acidic solution, but stable in basic conditions. (Beta-Asp5)-delta-Sleep Inducing Peptide can be used for the detection of methyltransferase activity, by using it as a substrate for methylation reactions and measuring the rate of spontaneous desorption from a matrix. This compound can also be used for proteomic studies by using matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI TOF MS) techniques.
Formula:C35H48N10O15Purity:Min. 95%Molecular weight:848.81 g/molRef: 3D-FA108705
Discontinued product3-Cyclopropylmethoxy-4-difluoromethoxy-benzoic acid
CAS:3-Cyclopropylmethoxy-4-difluoromethoxy-benzoic acid is an industrial chemical that is used as a binding agent in the production of dyes, rubber, and pharmaceuticals. The compound is produced by the acylation of 3-chloromethoxybenzoic acid with cyclopropylmethanol. This reaction requires an inorganic base such as potassium carbonate or sodium bicarbonate to activate the chloride. 3-Cyclopropylmethoxy-4-difluoromethoxybenzoic acid can be used as a reactive alkylating agent for the production of amides and other organic compounds, which increases its versatility.
Formula:C12H12O4F2Purity:Min. 95%Color and Shape:White/Off-White SolidMolecular weight:258.22 g/mol(Dibromomethyl)benzene
CAS:Dibromomethylbenzene is a reactive, non-metallic chemical compound with the formula CHBr2. It is a colorless liquid that is soluble in water and has a strong odor. Dibromomethylbenzene can be used to treat wastewater by removing metals, such as iron and copper, that are not removed by conventional methods. This compound also has been shown to inhibit the growth of infectious bacteria, such as Salmonella enterica and Escherichia coli. Dibromomethylbenzene reacts with metal hydroxides to produce volatile bromide ions, which react with the carbohydrate to form cyclic peptides. These reactions are catalyzed by solid catalysts like activated carbon or alumina.
Formula:C7H6Br2Purity:95%MinMolecular weight:249.93 g/molRef: 3D-FD138919
Discontinued productAbz-Ala-Phe-Arg-Phe-Ser-Gln-EDDnp trifluoroacetate salt
CAS:Please enquire for more information about Abz-Ala-Phe-Arg-Phe-Ser-Gln-EDDnp trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C50H63N15O13Purity:Min. 95%Molecular weight:1,082.13 g/molRef: 3D-FA110993
Discontinued productb-Alanine methyl ester hydrochloride
CAS:b-Alanine methyl ester hydrochloride is a fatty acid that is found in animal and plant tissues. It is a bifunctional molecule that can act as an inhibitor of serine proteases and also as an activator of fatty acid uptake by cells. This molecule has the potential to be used for the treatment of heart disease and other conditions caused by activation of serine proteases.
Formula:C4H9NO2·HClPurity:Min. 95%Color and Shape:White PowderMolecular weight:139.58 g/molRef: 3D-FA38110
Discontinued productFluorescein-6-carbonyl-Ile-Glu(OMe)-Thr-DL-Asp(OMe)-fluoromethylketone
CAS:Please enquire for more information about Fluorescein-6-carbonyl-Ile-Glu(OMe)-Thr-DL-Asp(OMe)-fluoromethylketone including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C43H47FN4O15Purity:Min. 95%Molecular weight:878.85 g/molRef: 3D-FF111109
Discontinued productAmyloid b-Protein (6-20) trifluoroacetate salt
CAS:Please enquire for more information about Amyloid b-Protein (6-20) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C86H119N23O23Purity:Min. 95%Molecular weight:1,843.01 g/molRef: 3D-FA109813
Discontinued product4-Bromo-2-nitro-1H-imidazole
CAS:4-Bromo-2-nitro-1H-imidazole (4BNI) is a synthetic drug that is used in the treatment of cancer. 4BNI inhibits the synthesis of DNA, which leads to cell death by preventing the production of proteins vital for cell division. When 4BNI is taken up by cells it becomes activated and binds to DNA, inhibiting the synthesis of RNA and protein. This process eventually leads to apoptosis (cell death). 4BNI has been shown to be effective against tumors in mice, but has not yet been tested on humans. The uptake of 4BNI in tumor tissue can be visualized using hypoxia imaging techniques such as positron emission tomography or magnetic resonance imaging.
Formula:C3H2BrN3O2Purity:Min. 95%Color and Shape:PowderMolecular weight:191.97 g/molNeurokinin B trifluoroacetate salt
CAS:Neurokinin B trifluoroacetate salt H-Asp-Met-His-Asp-Phe-Phe-Val-Gly-Leu-Met-NH2 trifluoroacetate salt is a synthetic peptide that is a potent and selective antagonist of the NMDA receptor. Neurokinin B trifluoroacetate salt H-Asp-Met-His-Asp-Phe-Phe-Val-Gly-Leu-Met NH2 trifluoroacetate salt has been shown to be effective in animal models of chronic pain, neuropathic pain, and bone age delay. This synthetic peptide has also been shown to be effective in the treatment of squamous cell carcinoma and acid lesions in human subjects. The molecular weight of this compound is 624.6 g/mol.br> Neurokinin B trifluoroacetate salt H Asp Met His Asp PFormula:C55H79N13O14S2Purity:Min. 95%Molecular weight:1,210.43 g/molRef: 3D-FN108584
Discontinued product4-Chlorophenyl-2-pyridinylmethanol
CAS:Please enquire for more information about 4-Chlorophenyl-2-pyridinylmethanol including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C12H10ClNOPurity:Min. 95%Molecular weight:219.67 g/mol2-Amino-3-fluorobenzoic acid ethyl ester
CAS:Please enquire for more information about 2-Amino-3-fluorobenzoic acid ethyl ester including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C9H10FNO2Purity:Min. 95%Color and Shape:PowderMolecular weight:183.18 g/molSuc-Ala-Phe-Lys-AMC trifluoroacetate salt
CAS:Please enquire for more information about Suc-Ala-Phe-Lys-AMC trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C32H39N5O8·C2HF3O2Purity:Min. 95%Molecular weight:735.7 g/molH-Arg(Pmc)-2-chlorotrityl resin (200-400 mesh)
Please enquire for more information about H-Arg(Pmc)-2-chlorotrityl resin (200-400 mesh) including the price, delivery time and more detailed product information at the technical inquiry form on this page
Purity:Min. 95%Ref: 3D-FA111748
Discontinued product4-Chloro-3-nitroaniline
CAS:4-Chloro-3-nitroaniline is an antibacterial agent that inhibits bacterial growth by binding to the enzyme topoisomerase II, which is essential for DNA replication. It has been shown to have a statistically significant inhibitory effect on the growth of Staphylococcus aureus. 4-Chloro-3-nitroaniline may also disrupt hemosiderosis and reduce iron levels in plasma samples from patients with hemosiderosis. The biological effects of this drug are not well understood.
Formula:C6H5ClN2O2Purity:Min. 95%Color and Shape:PowderMolecular weight:172.57 g/molPentafluoropropionic acid
CAS:Pentafluoropropionic acid is a glycol ether that is used in the preparation of coumarin derivatives. It reacts with sodium carbonate and trifluoroacetic acid to form the corresponding acyl chloride, which then reacts with nitrogen atoms (e.g., ammonia) to form an amide or urea derivative. Pentafluoropropionic acid also reacts with hydrogen fluoride to form pentafluoropropane and hydrogen fluoride gas, which can be used as a propellant for aerosol sprays. Pentafluoropropionic acid binds to toll-like receptors on cancer cells and human serum, inhibiting their ability to synthesize DNA. The compound has been shown to inhibit tumor growth in mice by blocking the formation of cancer tissues.
Formula:C3HF5O2Purity:Min. 95%Color and Shape:Clear LiquidMolecular weight:164.03 g/molRef: 3D-FP32907
Discontinued productPz-Pro-Leu-Gly-Pro-D-Arg-OH trifluoroacetate salt
CAS:Pz-Pro-Leu-Gly-Pro-D-Arg-OH trifluoroacetate salt is a synthetic substrate that can be used for the synthesis of cyclic peptides. It has been shown to act as a competitive inhibitor of the serine protease, chymotrypsin, and cytochalasin B. Pz-Pro-Leu-Gly-Pro-D-Arg is a soluble substrate that can be used in tissue culture experiments with caco2 cells. This compound also has high solubility and is stable at pH values between 5 and 12. The optimum pH for this compound is 8.
Formula:C38H52N10O8Purity:Min. 95%Molecular weight:776.88 g/molRef: 3D-FP110878
Discontinued product(D-Trp8)-Somatostatin-14 trifluoroacetate salt
CAS:Please enquire for more information about (D-Trp8)-Somatostatin-14 trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C76H104N18O19S2Purity:Min. 95%Molecular weight:1,637.88 g/molRef: 3D-FT108921
Discontinued productFluorescein-6-carbonyl-Leu-Glu(OMe)-His-DL-Asp(OMe)-fluoromethylketone
CAS:Please enquire for more information about Fluorescein-6-carbonyl-Leu-Glu(OMe)-His-DL-Asp(OMe)-fluoromethylketone including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C45H47FN6O14Purity:Min. 95%Molecular weight:914.89 g/molrac 3-fluoro amphetamine hydochloride
CAS:Controlled Product3-Fluoroamphetamine hydrochloride (3FAH) is a histological and microscopic technique used to study the effects of analgesics on human skin. 3FAH is an analgesic that has been shown to reduce pain in a number of studies. It has also been observed to enhance the effects of laser treatments on human skin, as it reduces inflammation and increases transdermal permeation. This drug is applied topically or injected for the treatment of pain, muscle spasms, or Parkinson’s disease. 3FAH can be administered by iontophoresis or permeation techniques, which are both effective ways to deliver drugs through skin.
Formula:C9H13ClFNPurity:Min. 95%Molecular weight:189.66 g/molRef: 3D-FR27448
Discontinued productMethyl 3-chlorophenylacetate
CAS:Methyl 3-chlorophenylacetate is a chemical intermediate that has been used in the synthesis of pharmaceuticals and organic compounds. It has also been used as a reagent for research, especially in the study of organic chemistry. Methyl 3-chlorophenylacetate is a versatile building block and can be used as a reaction component to synthesize other chemicals. This compound is also an excellent scaffold for medicinal chemistry.
Formula:C9H9ClO2Purity:Min. 95%Color and Shape:Clear LiquidMolecular weight:184.62 g/mol3-Bromo-6-methylpicolinic acid
CAS:Please enquire for more information about 3-Bromo-6-methylpicolinic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C7H6BrNO2Purity:Min. 95%Molecular weight:252.49 g/molRef: 3D-FB46394
Discontinued productAtrial Natriuretic Factor (3-28) (rat) trifluoroacetate salt
CAS:Natriuretic factor is a peptide hormone that regulates blood pressure. This peptide is encoded by a gene located on chromosome 10 and is made up of 28 amino acids. Natriuretic factor binds to the membrane of mitochondria and zymogen granules, causing them to release their contents into the cytosol. The resulting increase in cytosolic volume causes an increased diastolic pressure, as well as an increased glomerular filtration rate and cardiac output. Natriuretic factors have also been shown to stimulate the production of natriuretic peptides, which are involved in water balance and electrolyte homeostasis.
Formula:C119H189N43O36S2Purity:Min. 95%Molecular weight:2,862.17 g/molRef: 3D-FA108542
Discontinued productDiisopropylsilyl Bis(Trifluoromethanesulfonate)
CAS:Diisopropylsilyl bis(trifluoromethanesulfonate) is a bifunctional reagent that can be used to prepare the trifluoromethanesulfonic acid. It reacts with an alcohol in the presence of base to generate an ester, and then hydrolyzes the ester in the presence of water to generate the desired acid. Diisopropylsilyl bis(trifluoromethanesulfonate) is pale yellow and soluble in argon, nitrogen, and solvents such as ethyl acetate.
Formula:C8H14F6O6S2SiPurity:Min. 95%Molecular weight:412.4 g/molRef: 3D-FD90402
Discontinued productBiotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt
CAS:Please enquire for more information about Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C195H301N55O56S3Purity:Min. 95%Molecular weight:4,408.01 g/molRef: 3D-FB110183
Discontinued productDesfluoromethyl fluticasone propionate disulfide
CAS:Please enquire for more information about Desfluoromethyl fluticasone propionate disulfide including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C48H58F4O10S2Purity:Min. 95%Color and Shape:PowderMolecular weight:935.09 g/molRef: 3D-FD91086
Discontinued productPAR-2 (1-6) amide (human) trifluoroacetate salt
CAS:PAR-2 (1-6) amide (human) trifluoroacetate salt H-Ser-Leu-Ile-Gly-Lys-Val-NH2 trifluoroacetate salt is a protease inhibitor that inhibits the activity of PAR2, a protein receptor. PAR2 is implicated in cancer and inflammation. It has been shown to inhibit growth factor signaling, as well as activate toll-like receptor 4 and other inflammatory pathways. PAR2 inhibition has also been studied in vivo and found to be effective in treating wild type mice with melanoma cells. In vitro studies have shown that PAR2 inhibition by PAR 2 (1-6) amide (human) trifluoroacetate salt H-Ser-Leu-Ile-Gly-Lys-Val NH2 trifluoroacetate salt blocks the production of tumour necrosis factor alpha and interleukin 6.Formula:C28H54N8O7Purity:Min. 95%Molecular weight:614.78 g/molRef: 3D-FP109317
Discontinued product2-Bromo-6-methylpyridine-3-carboxaldehyde
CAS:2-Bromo-6-methylpyridine-3-carboxaldehyde (BMPCA) is a pharmacological agent that belongs to the group of antagonists. It has been shown to be a potent antagonist at the NMDA receptor and may be used for treating neuropathic pain. BMPCA also has been shown to have competitive inhibition at the naphthyridine receptor, which may allow it to act as an antagonist or an agonist depending on its binding site. The regioisomeric analogs of BMPCA are 2-(2,5-dichloropyridyl)-6-methylpyridine-3-carboxaldehyde and 2-(2,5-dimethylpyridyl)-6-methylpyridine-3-carboxaldehyde. These analogs have been shown to inhibit the growth of tumor cells in vitro and in vivo.
Formula:C7H6BrNOPurity:Min. 95%Molecular weight:200.03 g/mol5-Bromo-2-chlorobenzoyl chloride
CAS:5-Bromo-2-chlorobenzoyl chloride is a chemical compound that is used as an intermediate for the production of compounds. It can be produced by the reaction of benzene with thionyl chloride in the presence of phenetole. The chemical reaction proceeds with high yield and utilizes a high concentration of benzene, which is a pollutant. The reaction yields a mixture of 5-bromo-2-chlorobenzoyl chloride and 2,4,6-trichlorobenzoyl chloride and utilizes an organic solvent such as formic acid or acetic acid to form 5-bromo-2,4,6-trichlorobenzoic acid in situ. 5-Bromo-2,4,6-trichlorobenzoic acid is then reacted with ammonia to produce 2-(5'-bromo)benzothiazole. This chemical compound has been used as a reagent
Formula:C7H3BrCl2OPurity:Min. 95%Color and Shape:PowderMolecular weight:253.91 g/mol6-Bromoisoquinoline
CAS:6-Bromoisoquinoline is a tetradentate ligand that can be used as a molecular model to study the binding of metal ions and organic molecules. 6-Bromoisoquinoline has been shown to bind covalently and noncovalently with phosphate groups on the surface of Caco-2 cells and to induce surface-enhanced Raman spectroscopy. This ligand has a high nucleophilicity and reacts readily with chloride, which is an acidic functional group. The reaction products are hydrochloric acid, trifluoroacetic acid, or both. 6-Bromoisoquinoline can also act as an allosteric modulator in some enzymes, such as phosphofructokinase in glycolysis.
Formula:C9H6BrNPurity:Min. 95%Molecular weight:208.05 g/molRef: 3D-FB11908
Discontinued product3-Amino-4-fluorobenzoic acid
CAS:3-Amino-4-fluorobenzoic acid is a hydrocarbon that is used as an analgesic. It has been shown to be nontoxic and has analgesic effects in the intestinal tract. 3-Amino-4-fluorobenzoic acid also has radiopaque properties, which makes it useful for diagnosis and treatment of certain types of cancer and other tumors. The analgesic effect of 3-amino-4-fluorobenzoic acid may be due to its ability to act as a competitive antagonist at the N -methyl--aspartate (NMDA) receptor, which is important in pain perception.
Formula:C7H6FNO2Purity:Min. 95%Molecular weight:155.13 g/molRef: 3D-FA64177
Discontinued product1-Acetyl-3-fluorobenzene
CAS:1-Acetyl-3-fluorobenzene is a fluorinated aldehyde that reacts with tetrazolium chloride to form a red, insoluble precipitate. This reaction can be used as an indicator of the presence of colon cancer. The optimal reaction conditions are at pH 7 and a temperature between 60 and 70 °C. 1-Acetyl-3-fluorobenzene has shown significant cytotoxic activity against colon cancer cells in vitro and in vivo.
Formula:C8H7FOPurity:Min. 95%Color and Shape:Colorless Clear LiquidMolecular weight:138.14 g/molRef: 3D-FA54804
Discontinued productBiotinyl-Atrial Natriuretic Factor (1-28) (human) trifluoroacetate salt
CAS:Please enquire for more information about Biotinyl-Atrial Natriuretic Factor (1-28) (human) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C137H217N47O41S4Purity:Min. 95%Molecular weight:3,306.75 g/molRef: 3D-FB110153
Discontinued productAmmonium Undecafluorohexanoate
CAS:Undecafluorohexanoic acid is a perfluoroalkyl carboxylic acid that has been shown to disrupt steroidogenesis in vitro. It may be able to inhibit the transport of cholesterol, fats, and other lipids in cells, which causes disruption in steroidogenesis. This compound also has anti-cancer properties due to its ability to induce apoptosis and arrest cancer cell proliferation. Undecafluorohexanoic acid may also have developmental effects on animals because it can bind to estrogen receptors and disrupt the normal process of estrogen-mediated signaling pathways.
Formula:C6H4F11NO2Purity:Min. 95%Molecular weight:331.08 g/molRef: 3D-FA79593
Discontinued productZinc 1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-hexadecafluoro-29H,31H-phthalocyanine
CAS:Please enquire for more information about Zinc 1,2,3,4,8,9,10,11,15,16,17,18,22,23,24,25-hexadecafluoro-29H,31H-phthalocyanine including the price, delivery time and more detailed product information at the technical inquiry form on this pageFormula:C32F16N8ZnPurity:Min. 95%Molecular weight:865.75 g/molAngiotensin A (1-7) trifluoroacetate
CAS:Endogenous heptapetide which causes vasodilation and has anti-hypertensive properties.
Formula:C40H62N12O9•(C2HF3O2)xPurity:Min. 95%Color and Shape:PowderMolecular weight:855 g/molTrityl chloride resin
CAS:Trityl chloride resin is a chemical compound that is used as a model system for the study of trifluoroacetic acid and its reactions. Trityl chloride resin is insoluble in water and has been used as a reaction solution for transfer reactions. It has been shown to be an effective ligand for many types of receptors, with binding constants ranging from 10 M-1 to 10 M-10. Trityl chloride resin can also be chiral, which means that it may exist in two forms that are mirror images of each other. The physiological effects of this compound are not well understood, but it has been shown to have an effect on coordination geometry.
Color and Shape:PowderRef: 3D-FT29918
Discontinued product2,3,5-Trichlorobenzaldehyde
CAS:2,3,5-Trichlorobenzaldehyde is a chemical compound that has been shown to have anticancer and apoptotic effects. It inhibits the growth of bacteria by chelating iron ions and inhibiting bacterial dna synthesis. 2,3,5-Trichlorobenzaldehyde has also been shown to inhibit the growth of cancer cells in culture in an experimental study. This chemical has been used as a substrate for nmr spectroscopy to study its functional groups and radical scavenging activities. 2,3,5-Trichlorobenzaldehyde can be synthesized from phenacyl chloride and benzaldehyde in the presence of hydrogen chloride gas. The carbonyl group in 2,3,5-trichlorobenzaldehyde may cause metabolic disorders such as diabetes mellitus or hyperglycemia.
Formula:C7H3Cl3OPurity:Min. 95%Color and Shape:PowderMolecular weight:209.46 g/molS-(-)-Nicotine-delta1’-(5’)-iminium diperchlorate salt
CAS:Please enquire for more information about S-(-)-Nicotine-delta1’-(5’)-iminium diperchlorate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C10H14Cl2N2O8Purity:Min. 95%Molecular weight:361.13 g/mol3-(2-Fluoroethoxy)Propanenitrile
CAS:3-(2-Fluoroethoxy)Propanenitrile is a chemical with toxic properties. It is classified as a fluoroacetic acid and has been used in the production of other chemicals. Fluoroacetic acid is toxic to humans, showing signs of skin irritation, respiratory tract irritation, and kidney damage. 3-(2-Fluoroethoxy)Propanenitrile is not found naturally and has been sponsored by many companies.
Formula:C5H8FNOPurity:Min. 95%Molecular weight:117.12 g/molRef: 3D-FF80270
Discontinued product2,3-Bis(bromomethyl)quinoxaline
CAS:2,3-Bis(bromomethyl)quinoxaline is a nitrogenous heterocyclic compound that has a coordination geometry of square planar. It has been used as an inhibitor for the protein p21 and the nucleophile in palladium complexes. 2,3-Bis(bromomethyl)quinoxaline is also a model system for studying reaction mechanisms and chemical structures. The electron density map of the compound was obtained by X-ray crystal structure analysis. The reaction mechanism of this molecule is proposed to be through a chelate ring cross-coupling process.
Formula:C10H8Br2N2Purity:Min. 95%Color and Shape:Brown PowderMolecular weight:315.99 g/molRef: 3D-FB04248
Discontinued productTriethyloxonium tetrafluoroborate
CAS:Triethyloxonium tetrafluoroborate is an antimicrobial agent that inhibits the transfer of electrons from one molecule to another. It has been shown to be effective against methicillin-resistant Staphylococcus aureus and Mycobacterium tuberculosis. Triethyloxonium tetrafluoroborate binds to the bacterial enzyme, Jak1, which is involved in the formation of cytokines and interleukins. This binding inhibits the production of these molecules, leading to cell death by apoptosis. The use of triethyloxonium tetrafluoroborate as a research tool has facilitated its discovery as a potential anti-inflammatory drug for autoimmune diseases such as type 1 diabetes mellitus and rheumatoid arthritis. Triethyloxonium tetrafluoroborate can be used to inhibit amide synthesis, which may have applications in the study of carbohydrate chemistry and nitrogen atoms in biological systems. This compound has also been used
Formula:C6H15BF4OPurity:Min. 95%Color and Shape:PowderMolecular weight:189.99 g/mol
