
Aminas
Subcategorias de "Aminas"
- Nitrosaminas(2.663 produtos)
- Aminas primárias(30.947 produtos)
- Catiões Quaternários de Amónio(1.099 produtos)
- Aminas secundárias(20.887 produtos)
- Aminas terciárias(17.195 produtos)
Foram encontrados 8788 produtos de "Aminas"
4-Aminocatechol hydrobromide
CAS:Please enquire for more information about 4-Aminocatechol hydrobromide including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C6H8NO2BrPureza:Min. 95%Cor e Forma:Black PowderPeso molecular:206.04 g/molN-(3-Dimethylaminopropyl)acrylamide, stabilized with MEHQ
CAS:N-(3-Dimethylaminopropyl)acrylamide is a polymerization initiator that is used in the synthesis of polymers. It is also a model protein, which can be used to study bacterial growth rates and tissue metabolism. N-(3-Dimethylaminopropyl)acrylamide has been shown to have biological properties similar to human serum, as well as to serve as a model for primary cells. The FT-IR spectroscopy of N-(3-Dimethylaminopropyl)acrylamide reveals the presence of chloride ions in its molecular structure. The reaction mechanism for this compound has been determined by deionized water and ionic reactions with chloride ions.
Fórmula:C8H16N2OPureza:Min. 95%Peso molecular:156.23 g/molN-(tert-Butyloxycarbonyl)-8-amino-3,6-dioxaoctanoic acid
CAS:N-(tert-Butyloxycarbonyl)-8-amino-3,6-dioxaoctanoic acid is a potential drug for hypercholesterolemia. It has been shown to lower LDL cholesterol and triglycerides levels in monkeys. The compound is orally bioavailable and can be taken orally. This drug also has the potential to be developed as a PCSK9 (proprotein convertase subtilisin/kexin type 9) inhibitor.
Fórmula:C11H21NO6Pureza:Min. 95%Cor e Forma:Clear LiquidPeso molecular:263.29 g/mol3-[(Dimethylamino)methyl]-1,2,4-oxadiazol-5-amine hydrochloride
CAS:3-[(Dimethylamino)methyl]-1,2,4-oxadiazol-5-amine hydrochloride is a versatile building block that is used as an intermediate in the synthesis of fine chemicals. It is also a useful scaffold for the synthesis of biologically active compounds and research chemicals. 3-[(Dimethylamino)methyl]-1,2,4-oxadiazol-5-amine hydrochloride can be prepared by reacting methylamine with 2-aminothiophenol in the presence of a base. This reagent is also useful for the preparation of other compounds such as carbamates and cyclic ureas.
Fórmula:C5H10N4O•HClPureza:Min. 95%Cor e Forma:PowderPeso molecular:178.62 g/molRef: 3D-FD135937
Produto descontinuadotert-Butyl6-[(1e)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-di oxane-4-acetate
CAS:Please enquire for more information about tert-Butyl6-[(1e)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-di oxane-4-acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C29H40FN3O6SPureza:Min. 95%Peso molecular:577.71 g/mol3-Nitro-4-[[(tetrahydropyran-4-yl)methyl]amino]benzenesulfonamide
CAS:Please enquire for more information about 3-Nitro-4-[[(tetrahydropyran-4-yl)methyl]amino]benzenesulfonamide including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C12H17N3O5SPureza:Min. 95%Peso molecular:315.35 g/mol4-Aminoacetophenone
CAS:4-Aminoacetophenone is an inhibitor of the enzyme acetylcholinesterase and it is used as an insecticide. It inhibits the enzyme by forming hydrogen bonding interactions with the active site. The inhibition of this enzyme leads to paralysis and death in insects. 4-Aminoacetophenone has been shown to have anti-cancer effects in vitro, which may be due to its ability to inhibit glycoside hydrolases and amine oxidases that are involved in cancer development. The compound also has a thermal expansion coefficient that is comparable to other polymers used in drug delivery systems.
Fórmula:C8H9NOCor e Forma:Slightly Yellow PowderPeso molecular:135.16 g/molRef: 3D-FA17680
Produto descontinuadorac 3-fluoro amphetamine hydochloride
CAS:Produto Controlado3-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.
Fórmula:C9H13ClFNPureza:Min. 95%Peso molecular:189.66 g/molRef: 3D-FR27448
Produto descontinuado5-Amino-2-methoxyisonicotinic acid
CAS:5-Amino-2-methoxyisonicotinic acid is a carboxylic acid that is used in the synthesis of aminopyridines. The compound can be synthesized from formamidine acetate and diethyl dicarbonate. This process involves lithiation, followed by addition of an amine and finally conversion to the desired product with formamidine acetate. 5-Amino-2-methoxyisonicotinic acid can also be synthesized from formamide and diethyl ether. 5-Amino-2-methoxyisonicotinic acid is an analog of 2,4,6-trimethylaniline and has been shown to have similar properties to this compound, including strong basicity.
Fórmula:C7H8N2O3Pureza:Min. 95%Peso molecular:168.15 g/molMidodrine
CAS:Produto Controlado2-Amino-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]-acetamide is a drug that has been used to treat a variety of diseases and conditions. It is an alpha adrenergic agonist that works by stimulating the alpha receptors in the body, which increase blood pressure and improve blood flow. This drug also has significant effects on energy metabolism, including the production of ATP. 2-Amino-N-[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]-acetamide is used to treat patients with congestive heart failure who are taking low doses of midodrine hydrochloride or nonsteroidal antiinflammatory drugs.Fórmula:C12H18N2O4Pureza:Min. 95%Cor e Forma:PowderPeso molecular:254.28 g/molZ-L-alpha-aminobutyric acid
CAS:Z-L-alpha-aminobutyric acid is a homogeneous, optically active, linear phosphinic analogue of alpha-aminobutyric acid. It has been used in the synthesis of phosphinic analogues of cyclosporin and undecapeptides with high yields. The coupling reaction between Z-L-alpha-aminobutyric acid and benzaldehyde was carried out in two steps to produce the desired product. A stepwise condensation between Z-L-alpha-aminobutyric acid and 3,4,5,6 tetrahydropyrimidine was also successful.
Fórmula:C12H15NO4Pureza:Min. 98 Area-%Cor e Forma:White PowderPeso molecular:237.25 g/molRef: 3D-FA47262
Produto descontinuado4-Aminophenyl ethyl carbinol
CAS:Please enquire for more information about 4-Aminophenyl ethyl carbinol including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C9H13NOPureza:Min. 95%Cor e Forma:PowderPeso molecular:151.21 g/molRef: 3D-FA66499
Produto descontinuado3-Amino-2-methoxy-dibenzofuran
CAS:3-Amino-2-methoxy-dibenzofuran (3AMD) is a cytotoxic agent that is used in the treatment of bladder carcinoma. 3AMD inhibits DNA synthesis, leading to cell death by inhibiting the production of proteins vital for cell division. 3AMD has been shown to be a potent inhibitor of cyclen-dependent kinases and to induce DNA damage in human cells. 3AMD also has significant cytotoxicity against malignant cells and has been shown to inhibit the growth of tumours in mice. 3AMD may have carcinogenic potential due to its structural similarity with other carcinogens such as aniline and aminobiphenyl.
Pureza:Min. 95%Peso molecular:213.23 g/molRef: 3D-FA02148
Produto descontinuado2-Amino-4-fluorobenzaldehyde
CAS:2-Amino-4-fluorobenzaldehyde is a plant growth regulator that has been shown to be effective at increasing the yield of flowers and fruit crops. It is used as an intermediate in the synthesis of agrochemicals, such as 2-aminobenzaldehyde and anthranilic acid. The biosynthesis of 2-amino-4-fluorobenzaldehyde starts from methanol and intermediates such as anthranilic acid, aminoaldehydes, or alcohols. It can also be produced by oxidative coupling of 2-aminobenzaldehyde with phenylacetone in the presence of sodium hydroxide. 2-Amino-4-fluorobenzaldehyde has been shown to be more efficient than other plant growth regulators such as robinia or aminocyclopentane carboxylic acid (ACC).
Fórmula:C7H6FNOPureza:Min. 95%Cor e Forma:SolidPeso molecular:139.13 g/molRef: 3D-FA67377
Produto descontinuado(Deamino-Phe19,D-Ala24,D-Pro26-psi(CH2NH)Phe27)-GRP (19-27) (human, porcine, canine) trifluoroacetate salt
CAS:Please enquire for more information about (Deamino-Phe19,D-Ala24,D-Pro26-psi(CH2NH)Phe27)-GRP (19-27) (human, porcine, canine) trifluoroacetate salt including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C57H72N14O8Pureza:Min. 95%Peso molecular:1,081.27 g/molRef: 3D-FD108769
Produto descontinuado2-Amino-6-fluorobenzoic acid ethyl ester
CAS:2-Amino-6-fluorobenzoic acid ethyl ester is a chemical that can be used as a building block in the synthesis of more complex compounds. It is a versatile intermediate and can be used to synthesize other important compounds, such as pharmaceuticals. This compound has been shown to be useful for the preparation of 2-amino-4,6-difluorobenzoic acid ethyl ester and many other derivatives. The colorless solid is soluble in ether and dichloromethane.
Fórmula:C9H10FNO2Pureza:Min. 95%Cor e Forma:PowderPeso molecular:183.18 g/molRef: 3D-FA67884
Produto descontinuado3-[[[2-[(Aminoiminomethyl)amino]-4-thiazolyl]methyl]sulfinyl]-N-(aminosulfonyl)propanamide
CAS:Please enquire for more information about 3-[[[2-[(Aminoiminomethyl)amino]-4-thiazolyl]methyl]sulfinyl]-N-(aminosulfonyl)propanamide including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C8H14N6O4S3Pureza:Min. 95%Peso molecular:354.43 g/mol3-Amino-4-hydroxybenzoic acid hydrochloride
CAS:3-Amino-4-hydroxybenzoic acid hydrochloride (3ABA) is a crystalline compound with a molecular formula of C6H5NO2. It is an acidic compound that is soluble in water and alcohol, but not in ether. 3ABA has been used as the starting material for the synthesis of many other organic compounds. It can be obtained by reacting phenol with chlorobenzoyl chloride to form the chlorobenzoate salt, which on hydrolysis yields 3ABA. This compound has also been used as a reagent for synthesizing carbon nanotubes. The crystal structure of 3ABA was determined using X-ray diffraction data from crystallographic studies, and it was found to have three independent molecules per unit cell. Diffraction indicated that each molecule is composed of two benzene rings joined by a single bond between carbon atoms 1 and 2 and another bond between carbon atoms 2 and 3.
Fórmula:C7H8ClNO3Pureza:Min. 95%Peso molecular:189.6 g/molRef: 3D-FA37847
Produto descontinuado2,5-Diaminoterephthalic acid
CAS:2,5-Diaminoterephthalic acid is a synthetic organic compound that is used as a building block for the synthesis of polyamides. It has been shown to have high salt adsorption properties and low detection limits for certain analytes. 2,5-Diaminoterephthalic acid has also been found to have photocatalytic activity and can be used in the treatment of cancer. This chemical reacts with nitro groups on nucleophilic attack to form the carcinogenic nitrosamine. The formation rate of this nitrosamine depends on the presence of methoxy groups and nitrogen atoms in 2,5-diaminoterephthalic acid.Fórmula:C8H8N2O4Pureza:Min. 95%Peso molecular:196.16 g/molRef: 3D-FD145461
Produto descontinuadoAmmonium sulfite
CAS:Ammonium sulfite is a chemical compound that is used as an additive in wastewater treatment and as a reagent in organic synthesis. The reaction solution contains ammonium sulfite, sodium carbonate, and water. It has been shown to be toxic to animals when administered at high doses. Ammonium sulfite does not react with hydrogen fluoride or water and it is not soluble in anhydrous sodium. The polymerase chain reaction (PCR) technique has been used to study the reaction mechanism of ammonium sulfite. The reactions are catalysed by metal hydroxides such as magnesium hydroxide and aluminium hydroxide, which are present at the surface of the solid phase.
Fórmula:(NH4)2SO3Pureza:Min. 95%Cor e Forma:PowderPeso molecular:116.14 g/molRef: 3D-FA164872
Produto descontinuado(Z-Asp-Glu-Val-Asp)2-Rhodamine 110
CAS:Fluorogenic dye targeting caspase 3
Fórmula:C72H78N10O27Pureza:Min. 95%Peso molecular:1,515.44 g/molRef: 3D-FA110985
Produto descontinuado1-(3-Aminopropyl)-2-pyrrolidinone
CAS:1-(3-Aminopropyl)-2-pyrrolidinone is a chemical compound that has been used as a chemotherapeutic treatment for heart disease and polyamine oxidase deficiency. The compound has also been shown to have a direct effect on the synthesis of fatty acids in the body, which may lead to the development of new treatments for diabetes. 1-(3-Aminopropyl)-2-pyrrolidinone can be formulated into conjugates with other molecules, such as chloride ions or fatty acids, in order to target specific cells or tissues. This method of delivery is efficient and has been shown to be able to cross the blood-brain barrier. 1-(3-Aminopropyl)-2-pyrrolidinone is an amino acid derivative that contains an aminoguanidine functional group. Aminoguanidine inhibits polyamine oxidase activity in vitro by reacting with the carbonyl group at position C
Fórmula:C7H14N2OPureza:Min. 95%Cor e Forma:Colorless Clear LiquidPeso molecular:142.2 g/molRef: 3D-FA17835
Produto descontinuadoPAL resin (200-400 mesh) 4-Alkoxy-2,6-dimethoxybenzylamine resin
Please enquire for more information about PAL resin (200-400 mesh) 4-Alkoxy-2,6-dimethoxybenzylamine resin including the price, delivery time and more detailed product information at the technical inquiry form on this page
Pureza:Min. 95%Ref: 3D-FP111706
Produto descontinuado3-Amino-5-tert-butylisoxazole
CAS:3-Amino-5-tert-butylisoxazole is a postulated CB2 receptor agonist. It has been shown to inhibit the hydrolysis of L-3,4-dihydroxyphenylalanine (L-DOPA) in rat brain synaptosomes and to reduce pain in rats with diabetic neuropathy. 3-Amino-5-tert-butylisoxazole is a compound class that inhibits the binding of inhibitor compounds to the enzyme tyrosine hydroxylase. 3-(3'-Amino-5'-tert butylisoxazol)-1,2,4(1H,3H)-triazine reacts with amines and acyl halides to form inhibitors that are less reactive than the parent compound. The reaction products have been characterized using kinetic studies and NMR spectroscopy.
Fórmula:C7H12N2OPureza:Min. 95%Peso molecular:140.18 g/molRef: 3D-FA42257
Produto descontinuado(3R)-3-[(tert-Butoxycarbonyl)amino]-4-(2,4-difluorophenyl)butanoic acid
CAS:Please enquire for more information about (3R)-3-[(tert-Butoxycarbonyl)amino]-4-(2,4-difluorophenyl)butanoic acid including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C15H19F2NO4Pureza:Min. 95%Peso molecular:315.31 g/molRef: 3D-FB99243
Produto descontinuado3'-(2-Propylamine)benzoic acid methyl ester
CAS:3'-(2-Propylamine)benzoic acid methyl ester is a high quality, complex compound that can be used as a reagent, speciality chemical, or reaction component. It has a wide range of applications in the synthesis of pharmaceuticals, agrochemicals, and other biologically active compounds. 3'-(2-Propylamine)benzoic acid methyl ester is also a versatile building block and useful intermediate in organic synthesis.
Fórmula:C11H15NO2Pureza:Min. 95%Peso molecular:193.24 g/mol5-Fmoc-amino-10,11-dihydro-5H-dibenzo[a,d]-cycloheptenyl-2-oxyacetyl-DL-Nle-4- methyl-benzhydrylamide resin
Please enquire for more information about 5-Fmoc-amino-10,11-dihydro-5H-dibenzo[a,d]-cycloheptenyl-2-oxyacetyl-DL-Nle-4- methyl-benzhydrylamide resin including the price, delivery time and more detailed product information at the technical inquiry form on this page
Pureza:Min. 95%Ref: 3D-FT111711
Produto descontinuado4-Aminopicolinic acid
CAS:4-Aminopicolinic acid is a synthetic amine that has been shown to activate plant science. 4-Aminopicolinic acid is a cyclic peptide with two subunits, one of which is 4-amino-3-pyridinecarboxylic acid. This compound has been synthesized from picolinic acid, an agriculturally important compound that is found in plant and animal tissues. The synthesis of 4-aminopicolinic acid involves the reaction of picolinic acid with nitrous oxide, followed by hydrolysis and oxidation to form the desired product. Hplc analyses have confirmed the presence of picolinic acid in extracts from various plants containing this compound.
Fórmula:C6H6N2O2Pureza:Min. 95%Cor e Forma:White To Beige Or Pink To Light Brown SolidPeso molecular:138.12 g/molEVP4593
CAS:6-Amino-4-(4-phenoxyphenylethylamino)quinazoline is a potential anticancer drug that has been shown to inhibit the polymerase chain reaction in human osteosarcoma cells. It also inhibits the signaling pathway of nuclear factor-κB (NF-κB), which is involved in cell death and tumorigenesis. 6-Amino-4-(4-phenoxyphenylethylamino)quinazoline has shown significant cytotoxicity against murine hepatoma cells and bowel disease cells, but not against normal tissue. This drug is also an inhibitor of the drug transporter Pgp. 6-Amino-4-(4-phenoxyphenylethylamino)quinazoline has been shown to be effective in experimental models for cancer, AIDS, and other infectious diseases.Fórmula:C22H20N4OPureza:Min. 95%Cor e Forma:PowderPeso molecular:356.42 g/molRef: 3D-FA17546
Produto descontinuadoAmmonium 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.
Fórmula:C6H4F11NO2Pureza:Min. 95%Peso molecular:331.08 g/molRef: 3D-FA79593
Produto descontinuadoEDTA ferric ammonium
CAS:EDTA ferric ammonium is a metal complex that is used in the manufacture of textile dyes. EDTA ferric ammonium is an oxidizing agent that can be used as a reducing agent by adding an oxidizing agent such as potassium permanganate. The solution form of this compound has a particle size distribution with a median particle size of about 0.5 micrometers and a polydispersity index of about 2. In addition, it has been shown to have surfactant properties, which may be due to its ability to interact with the surface tension of water molecules. EDTA ferric ammonium has also been shown to react with silver ions to form silver ethylene diamine tetraacetic acid (AgEDTA), which can then be used for patterning purposes in textiles.
Fórmula:C10H12FeN2O8•NH4Pureza:80%MinCor e Forma:PowderPeso molecular:362.09 g/molRef: 3D-FF147350
Produto descontinuadoPropylamine
CAS:Propylamine is a colorless, volatile liquid with a boiling point of -26.3°C. It has been shown to have the ability to react with sephadex g-100, which is a chromatographic material that separates proteins according to their size and charge. Propylamine has also been shown to undergo transfer reactions in the presence of hydroxyl groups and disulfide bonds. The chemical properties of propylamine have been studied using analytical methods such as nuclear DNA analysis, as well as biological studies involving the use of trifluoroacetic acid and nitrogen atoms for hydrogen bonding interactions.
Fórmula:C3H9NPureza:Min. 95%Peso molecular:59.11 g/mol4-[2-[[(1S)-1-(2-Aminophenyl)-3-methylbutyl]amino]-2-oxoethyl]-2-ethoxybenzoic acid
CAS:Bosentan is a potent inhibitor of the uptake of organic anions. It is used in the treatment of pulmonary arterial hypertension and has been shown to be effective against pravastatin-resistant HIV protease inhibitors, such as saquinavir, quinidine, and rosuvastatin. Bosentan inhibits uptake by binding to the transporter protein at a site that does not overlap with the binding site for organic anion substrates. This leads to a change in kinetic parameters for substrates, such as pravastatin and saquinavir. The binding site on bosentan may also be elucidated through monolayer experiments with efflux transporters.
Fórmula:C22H28N2O4Pureza:Min. 95%Peso molecular:384.47 g/molRef: 3D-FD21379
Produto descontinuado4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine
CAS:Please enquire for more information about 4-Amino-6-mercaptopyrazolo[3,4-d]pyrimidine including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C5H5N5SPureza:Min. 95%Peso molecular:167.19 g/molRef: 3D-FA17663
Produto descontinuado4-Aminopyrene
CAS:4-Aminopyrene is an aromatic amine that contains a nitro group. It has been used in biological studies to study the metabolism of amines, and chromatographic and mass spectrometric detection methods have been developed for its determination. 4-Aminopyrene also has the ability to form isomers through substitution on the N atom. The activation energy for this process is 14.3 kcal/mol. 4-Aminopyrene has been shown to be cytotoxic and mutagenic in vitro, and it can inhibit protein synthesis in bacteria by inhibiting RNA synthesis at the ribosome level. It has also been shown to induce changes in cell morphology and stimulate morphological differentiation of human promyelocytic leukemia cells (HL-60).
Pureza:Min. 95%Ref: 3D-FA62336
Produto descontinuadoN1-(Pivaloyloxy)methyl-N2-(dimethylamino)methylene 9-deazaguanine
CAS:Please enquire for more information about N1-(Pivaloyloxy)methyl-N2-(dimethylamino)methylene 9-deazaguanine including the price, delivery time and more detailed product information at the technical inquiry form on this page
Fórmula:C15H21N5O3Pureza:Min. 95%Peso molecular:319.36 g/molRef: 3D-FP27094
Produto descontinuadoTetrapropylammonium perruthenate
CAS:Tetrapropylammonium perruthenate is a polymeric matrix that contains a chelate ligand and can be used as an oxygen sensor. The polymer is synthesized in the presence of trifluoroacetic acid (TFA) using tetrapropylammonium chloride (TPACl) and perruthenate. Tetrapropylammonium perruthenate forms a polymeric matrix with TPACl, which contains a chelate ligand. The polymer is sensitive to changes in the environment such as pH, temperature, and oxidation-reduction potential. The polymeric matrix can be used for sensing the concentration of oxygen in liquid or gas phase by measuring fluorescence intensity at various wavelengths. These measurements are correlated with the concentration of oxygen in the environment.
Fórmula:C12H28NO4RuPureza:Min. 95%Peso molecular:351.43 g/molN,N-Dimethyl-N′-1H-pyrazol-4-ylmethanimidamide
CAS:2-(4-Morpholinophenyl)ethylamine is a fine chemical that is a versatile building block, useful intermediate, and research chemical. It is used in the synthesis of complex compounds, useful building blocks, and high quality reagents. The CAS registry number for 2-(4-morpholinophenyl)ethylamine is 930779-56-9.
Fórmula:C6H10N4Pureza:Min. 95%Cor e Forma:PowderPeso molecular:138.17 g/mol
