Building Blocks
Subcategories of "Building Blocks"
- Boronic Acids & Boronic Acid Derivatives(5,774 products)
- Chiral Building Blocks(1,237 products)
- Hydrocarbon Building Blocks(6,098 products)
- Organic Building Blocks(60,980 products)
Found 205158 products of "Building Blocks"
(e)-(2-(1-(tert-butoxycarbonyl)piperidin-4-yl)vinyl)boronic acid pinacol ester
CAS:Versatile small molecule scaffold
Formula:C18H32BNO4Purity:Min. 95%Molecular weight:337.27 g/molRef: 3D-KWB92451
Discontinued producttert-Butyl (2,2-difluoro-3-hydroxypropyl)carbamate
CAS:Versatile small molecule scaffoldFormula:C10H13NO4Purity:Min. 95%Molecular weight:211.21 g/molEthyl 4-methoxy-3-oxobutanoate
CAS:Versatile small molecule scaffold
Formula:C7H12O4Purity:Min. 95%Molecular weight:160.17 g/mol5-Amino-2-bromo-3-fluoropyridine
CAS:Versatile small molecule scaffold
Formula:C5H4BrFN2Purity:Min. 95%Molecular weight:191 g/mol4-Bromo-2,5-dimethoxybenzaldehyde
CAS:4-Bromo-2,5-dimethoxybenzaldehyde is a nucleophilic compound that can act as an iminium. It is used in the synthesis of chalcones, which are aromatic compounds that have been found to have anticancer properties. 4-Bromo-2,5-dimethoxybenzaldehyde has two isomers: 2,4-dimethoxybenzaldehyde and 2,5-dimethoxybenzaldehyde. The separation of these compounds can be achieved using chromatography with a silica gel column. This process can be done on both the mixture of the two isomers or on one specific isomer. The synthetic pathway for this product begins with benzylpiperazine and piperazine. These two molecules react to form 3,4-dichlorobenzylpiperazine, which reacts with dimethoxybenzyl chloride to form 4-bromo-2,5-dim
Formula:C9H9BrO3Purity:Min. 95%Molecular weight:245.07 g/mol4-Bromo-2,6-dimethoxybenzaldehyde
CAS:Versatile small molecule scaffold
Formula:C9H9BrO3Purity:Min. 95%Molecular weight:245.07 g/mol6-fluoroquinoline-8-carboxylicacid
CAS:Versatile small molecule scaffold
Formula:C10H6FNO2Purity:Min. 95%Molecular weight:191.16 g/molRef: 3D-GCC60584
Discontinued product3-Hydroxy-5-methylpyridine
CAS:3-Hydroxy-5-methylpyridine (3HMP) is a chemical substance that has been classified as an amine. It is a product of the metabolism of purines, which are nitrogenous bases found in DNA and RNA. 3HMP is produced by aerogenic bacteria (such as Enterobacter), and can be used to estimate the number of these bacteria present in water samples. 3HMP has been shown to have antiviral properties against influenza virus, and can be used as a biomarker for the presence of other viruses in animals. 3HMP also has mineralization properties, which have been studied extensively, particularly with regards to pancreatic disease.
Formula:C6H7NOPurity:Min. 95%Color and Shape:PowderMolecular weight:109.13 g/molRef: 3D-FH16174
Discontinued product2-Hydroxyethyl octacosanoate
CAS:Please enquire for more information about 2-Hydroxyethyl octacosanoate including the price, delivery time and more detailed product information at the technical inquiry form on this page
Purity:Min. 95%Isocytosine
CAS:Isocytosine is a prodrug that has been synthesized with the intramolecular hydrogen on the nitrogen atoms, which makes it more chemically stable. Isocytosine is a reactive molecule, and can react with tautomers to form isocytosine derivatives. Isocytosine contains three hydrogen atoms that are transferable through reactions to other molecules. The chemical stability of isocytosine allows for its use in wastewater treatment. It also has metabolic effects, such as the inhibition of colorectal adenocarcinoma and metabolic disorders. Isocytosine can be used as a model system for studying transfer reactions and reaction mechanisms.
Formula:C4H5N3OPurity:Min. 95%Color and Shape:PowderMolecular weight:111.1 g/molRef: 3D-FI07235
Discontinued productMethyl trans-4-bromo-2-butenoate
CAS:Methyl trans-4-bromo-2-butenoate is a synthetic compound that contains a hydroxyl group and two bromine atoms. It is synthesized by the reaction of diethyl succinate, hydrogen, and piperazine in an aqueous solution. Methyl trans-4-bromo-2-butenoate has been shown to have antineoplastic activity in combination with epidermal growth factor (EGF) and carbohydrate conjugates. It also binds to cell surface receptors on the epidermal cells, inhibiting their growth. The structural formula of methyl trans-4-bromo-2-butenoate can be seen below: [[File:Methyltrans4bromobutanoate.png|thumb|300px|left|The structural formula of methyl trans-[4] -[bromo]-[2] -butenoate.]]
Formula:C5H7BrO2Purity:Min. 95%Color and Shape:Clear LiquidMolecular weight:179.01 g/mol1-Methanesulfonyl-1H-pyrazol-4-amine
CAS:Versatile small molecule scaffold
Formula:C4H7N3O2SPurity:Min. 95%Molecular weight:161.19 g/molMonomethyl Glutarate
CAS:Monomethyl glutarate is a monomer for the synthesis of polymers. It has been used in the past as a precursor for the production of polyacrylic acid and its copolymers. Monomethyl glutarate is synthesized by the reaction of hydrochloric acid, high salt, and an expression plasmid containing glutarate dehydrogenase. This compound is also used as a reagent in kinetic studies of fatty acids and glutaric acid. Monomethyl glutarate is an acidic compound with a pKa value of 3.5 at 25°C. It is rapidly hydrolyzed in water to form monomethyl glutarate acid, which has a pKa value of 2.4 at 25°C. Monomethyl glutarate can be ingested orally or applied topically due to its low energy requirements for hydrolysis in water.
Formula:C6H10O4Purity:Min. 95%Molecular weight:146.14 g/mol2,5-Diethoxyterephthalohydrazide
CAS:2,5-Diethoxyterephthalohydrazide is an organic compound that has been used for the synthesis of linkers with various functional groups. It is a reactive intermediate in the synthesis of amines and compounds containing amine functional groups. 2,5-Diethoxyterephthalohydrazide has been shown to be stable under environmental conditions and can be used as a linker in organic solvents such as amines, alcohols or esters. This compound has also been shown to exhibit photocatalytic activity when irradiated by UV light. Techniques such as analytical chemistry and techniques can be used to characterize this compound's reactivity and stability.
Formula:C12H18N4O4Purity:Min. 95%Molecular weight:282.3 g/molRef: 3D-LVB29271
Discontinued product3-Phenylisothiazol-5-amine
CAS:Versatile small molecule scaffold
Formula:C9H8N2SPurity:Min. 95%Molecular weight:176.24 g/molRef: 3D-PAA20852
Discontinued product1-(But-3-yn-1-yl)piperidine
CAS:1-(But-3-yn-1-yl)piperidine is a chiral compound that inhibits the reuptake of serotonin. It has been shown to be an effective inhibitor of the serotonin transporter and to cause an increase in extracellular serotonin levels. 1-(But-3-yn-1-yl)piperidine also has affinity for the dopamine transporter, which may account for its antidepressant effects.
Formula:C9H15NPurity:Min. 95%Molecular weight:137.22 g/mol4(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-inden-1-one
CAS:Versatile small molecule scaffold
Formula:C15H19BO3Purity:Min. 95%Molecular weight:258.12 g/mol2-(2-Chloro-4-nitrophenyl)acetic acid
CAS:Versatile small molecule scaffold
Formula:C8H6ClNO4Purity:Min. 95%Molecular weight:215.59 g/mol1-[4-(Propan-2-yl)phenyl]ethan-1-ol
CAS:Versatile small molecule scaffold
Formula:C11H16OPurity:Min. 95%Molecular weight:164.24 g/mol1-Hydroxycyclopentane-1-carbonitrile
CAS:1-Hydroxycyclopentane-1-carbonitrile is a monomer that is hydrolyzed to form benzoin and cyanohydrins. It can be used in the production of scifinder as a monomer or dimerizer.
Formula:C6H9NOPurity:Min. 95%Molecular weight:111.14 g/mol4-Bromopyridine hydrochloride
CAS:4-Bromopyridine HCl is a chemical compound with the molecular formula C6H5BrN. It is an aromatic heterocycle and is used in organic synthesis as a coupling partner in cross-coupling reactions. The bromine atom of 4-bromopyridine is replaced by chloride, resulting in 4-chloropyridine. The chlorination reaction can be conducted using either hydrochloric acid or thionyl chloride. This process can be done on an industrial scale and the chlorinated product has been used in the manufacture of pharmaceuticals, dyes, and pesticides. The reaction mechanism for this substitution reaction involves a nucleophilic attack by chlorine on the pyridine ring at carbon atom 2 followed by displacement of hydrogen from the adjacent position on nitrogen atom 3. Acylation reactions are oxidation processes that involve conversion of carboxylic acids to acyl halides or acyl chlorides through treatment with acidified halogenating agents such
Formula:C5H4BrN•HClPurity:Min. 95%Color and Shape:White PowderMolecular weight:194.46 g/mol5-Bromo-2-iodopyridine
CAS:5-Bromo-2-iodopyridine is an antibiotic that is used to treat bacterial infections. It has been shown to inhibit the growth of bacteria by binding to the 50S ribosomal subunit. This drug also has a toxic effect on respiratory system cells, which may be due to its ability to induce apoptosis. 5-Bromo-2-iodopyridine interacts with DNA in a triazine ring and inhibits bacterial growth by inhibiting protein synthesis. The drug binds to the 50S ribosomal subunit at a site that is different from that of rifampin and other antibiotics. The reaction is catalyzed by palladium at high temperatures and takes place in organic solvents such as chloroform or benzene. This synthetic process can be made more efficient by using inexpensive starting materials, such as bromine, iodine, and acetone, rather than expensive starting materials like platinum or gold salts.
Formula:C5H3BrINPurity:Min. 95%Color and Shape:Slightly Yellow PowderMolecular weight:283.89 g/mol5-Bromopyridine-3-thiol
CAS:Versatile small molecule scaffold
Formula:C5H4BrNSPurity:Min. 95%Molecular weight:190.06 g/mol(R)-4-N-Boc-2-hydroxymethyl-piperazine
CAS:Please enquire for more information about (R)-4-N-Boc-2-hydroxymethyl-piperazine including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C10H20N2O3Purity:Min. 95%Molecular weight:216.28 g/mol1,2-Bis(chlorodimethylsilyl)ethane
CAS:1,2-Bis(chlorodimethylsilyl)ethane is a reactive chemical that is synthesized from hydroxychloroformates and hydrogen chloride. It reacts with silicon to form chlorosilanes, which are then used in the polymerization of siloxanes. 1,2-Bis(chlorodimethylsilyl)ethane has been shown to be an effective initiator for the polymerization of methyl methacrylate and ethylene glycol dimethacrylate. 1,2-Bis(chlorodimethylsilyl)ethane is also used as a hydroxyl group donor in organic reactions.
Formula:C6H16Cl2Si2Purity:Min. 95 Area-%Color and Shape:PowderMolecular weight:215.27 g/mol3-(iodomethyl)oxetane
CAS:Versatile small molecule scaffold
Formula:C4H7IOPurity:Min. 95%Molecular weight:198 g/mol(S)-2-(N-Boc-aminomethyl)morpholine
CAS:Versatile small molecule scaffold
Formula:C10H20N2O3Purity:Min. 95%Molecular weight:216.27 g/mol(-)-Corey lactone diol
CAS:(-)-Corey lactone diol is a synthetic compound that is soluble in organic solvents. It is used for the synthesis of carbocyclic nucleosides, which are analogs of pyrimidine nucleosides. (-)-Corey lactone diol has been shown to inhibit cholesterol synthesis and the synthesis of alkene. (-)-Corey lactone diol also shows anti-inflammatory properties, which may be due to its inhibition of prostaglandin synthesis.
Formula:C8H12O4Purity:Min. 95%Molecular weight:172.18 g/mol4-Chlorobenzenethiol
CAS:4-Chlorobenzenethiol is a chemical compound that contains a fatty acid. It is an intramolecular hydrogen donor with the ability to form a disulfide bond. The compound also has high stability and can be used in organic synthesis reactions involving reactive sulfur groups. 4-Chlorobenzenethiol reacts with sodium carbonate to produce sodium thiocarbonate and chloroform, which are then reacted with phosphorus pentoxide for oxidation. The reaction mechanism is similar to that of the Diels-Alder reaction and the model system involves dinucleotide phosphate. 4-Chlorobenzenethiol can be reacted with hydrochloric acid or trifluoroacetic acid as an oxidizing agent.
Formula:C6H5ClSPurity:Min. 95%Color and Shape:White PowderMolecular weight:144.62 g/mol3-Cyano-2-methylphenylboronic acid
CAS:3-Cyano-2-methylphenylboronic acid is a high quality compound that can be used as a reagent, intermediate, or building block in the synthesis of complex compounds. This chemical is also useful as a speciality chemical and research chemical. 3-Cyano-2-methylphenylboronic acid has versatile uses in organic synthesis due to its versatility in reactions and building blocks.
Formula:C8H8BNO2Purity:Min. 95%Color and Shape:PowderMolecular weight:160.97 g/mol2-Chloro-1-(3,4-difluoro-phenyl)-ethanone
CAS:2-Chloro-1-(3,4-difluoro-phenyl)-ethanone (2CFP) is an organic compound that is used as a choline precursor in the synthesis of acetylcholine. It has been shown to have escherichia coli inhibitory activity and can be used for process optimization in the synthesis of 2-chloroacetaldehyde from choline. The enzyme activities are specific to the concentration of substrate and the molecule's ability to permeate through cell membranes. 2CFP is synthesized by reduction of chloride ions with catalytic amounts of copper metal at an acceptor such as ticagrelor.Formula:C8H5ClF2OPurity:Min. 95%Molecular weight:190.57 g/molH-Ala-Ala-Pro-OH trifluoroacetate
CAS:Please enquire for more information about H-Ala-Ala-Pro-OH trifluoroacetate including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C11H19N3O4•C2HF3O2Purity:Min. 95%Molecular weight:371.31 g/molRef: 3D-FA183453
Discontinued product6-Methylbenzimidazole-5-carboxylic acid
CAS:Versatile small molecule scaffold
Formula:C9H8N2O2Purity:Min. 95%Molecular weight:176.17 g/molTripropylphosphine
CAS:Tripropylphosphine is a fatty acid that can be synthesized by reacting tripropyl alcohol with phosphorus trichloride. Tripropylphosphine is soluble in organic solvents, and has an optical rotation of +58°. It has been shown to have cancer-inhibiting properties, as well as the ability to inhibit tumor growth and induce apoptosis in cancer cells. This compound may also be used as a growth regulator, since it inhibits the synthesis of certain proteins and enzymes.
Formula:C9H21PPurity:Min. 95%Molecular weight:160.24 g/mol4,5-Dihydroxy-2,3-Pentanedione
CAS:4,5-Dihydroxy-2,3-pentanedione is a carbonyl compound that is the product of the oxidation of ascorbic acid. It is used in wastewater treatment and has antimicrobial properties against infectious diseases. This compound has been shown to inhibit protein synthesis by binding to the ribosome and preventing the formation of peptide bonds between amino acids. 4,5-Dihydroxy-2,3-pentanedione has also been shown to bind to plasma proteins, which may be due to its acyl chain structure. 4,5-Dihydroxy-2,3-pentanedione can be synthesized in a catalytic mechanism that involves dehydroascorbic acid and molecular oxygen.
Formula:C5H8O4Purity:Min. 95%Color and Shape:PowderMolecular weight:132.11 g/molRef: 3D-FD180770
Discontinued product5-Chloro-3-methylpyridazine hydrochloride
CAS:Versatile small molecule scaffoldFormula:C5H6Cl2N2Purity:Min. 95%Molecular weight:165 g/mol1-(4-Ethylphenyl)-2,2,2-trifluoroethan-1-ol
CAS:Versatile small molecule scaffold
Formula:C10H11F3OPurity:Min. 95%Molecular weight:204.19 g/moltert-Butyl 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)picolinate
CAS:Versatile small molecule scaffoldFormula:C16H24BNO4Purity:Min. 95%Molecular weight:305.2 g/molRef: 3D-KCC40419
Discontinued product2-(4-Methoxy-1H-indol-3-yl)ethan-1-amine
CAS:Controlled Product2-(4-Methoxy-1H-indol-3-yl)ethan-1-amine is a synthetic compound that belongs to the class of organocatalysts. It is a serotonin receptor agonist, and has been shown to act as an antagonist at the 5HT2AR. This drug has been shown to have stereoselective effects in vitro, with high affinity for the S form of 5HT2AR. 2-(4-Methoxy-1H-indol-3-yl)ethan-1-amine also has some activity against dopamine receptors, but not as much as other compounds in its class. !--[if !supportLists]-->· !--[endif]-->This drug binds to speciogynine and alstovenine receptors, which are part of the opioid system.!--[if !supportLists]-->· !--[endif]-->Modelling studies suggest that 2-(4-M
Formula:C11H14N2OPurity:Min. 95%Color and Shape:PowderMolecular weight:190.24 g/mol1-Cyclobutylpiperidine-4-carboxylic acid
CAS:Versatile small molecule scaffold
Formula:C10H17NO2Purity:Min. 95%Molecular weight:183.25 g/mol8-Chloro-3,7-dihydro-1H-purine-2,6-dione
CAS:8-Chloro-3,7-dihydro-1H-purine-2,6-dione is a reactive molecule that binds to the active site of bacterial cyclic nucleotide phosphodiesterases and inhibits their activity. This inhibition prevents the breakdown of cAMP and cGMP, which are important second messengers in eukaryotic cells. 8-Chloro-3,7-dihydro-1H-purine-2,6-dione is also a potent inhibitor of protein synthesis and has been used in research studies on wheat leaves.
Formula:C5H3N4O2ClPurity:Min. 95%Color and Shape:PowderMolecular weight:186.56 g/molRef: 3D-FC09024
Discontinued productPoly(dioxanone)
CAS:Poly(dioxanone) is a biocompatible polymer that has been shown to promote bone growth in animal models. It is a cross-linking agent and can be used as an alternative to copper chromite, which is the most common cross-linking agent used in tissue engineering. Poly(dioxanone) has been shown to promote bone growth by stimulating the production of growth factors and increasing the activity of osteoblasts, cells that produce new bone. The material also promotes matrix deposition and remodeling, leading to increased bone density.
Formula:(C4H6O3)nPurity:Min. 95%Color and Shape:PowderPiperyline
CAS:Piperyline is an alkanoic acid that has shown to be effective against skin cancer. It also has antimicrobial properties, which may be due to its ability to bind metal ions and form polymeric compounds. Piperyline inhibits microbial growth by inhibiting the synthesis of proteins and nucleic acids. The antimicrobial activity is related to its cationic polymerization with hydroxyl groups, which forms a structure that can inhibit microbial enzymes and disrupt microbial cell membranes. This compound also interacts with the skin's natural lipids, making it difficult for microorganisms to attach and grow on the skin. Piperyline is synthesized in organic chemistry laboratories as an amide precursor of other pharmaceuticals such as penicillin.
Formula:C16H17NO3Purity:Min. 95%Molecular weight:271.31 g/mol(R)-tert-Butyl 1-(3-aminopyridin-2-yl)pyrrolidin-3-ylcarbamate
CAS:Versatile small molecule scaffoldFormula:C14H22N4O2Purity:Min. 95%Molecular weight:278.35 g/molRef: 3D-IZB85984
Discontinued productN-(2-Methyl-6-benzoxazolyl)-2-propenamide
CAS:Please enquire for more information about N-(2-Methyl-6-benzoxazolyl)-2-propenamide including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C11H10N2O2Purity:Min. 95%Molecular weight:202.21 g/molRef: 3D-FM184094
Discontinued product1-(Pyrimidin-5-yl)propan-1-one
CAS:Versatile small molecule scaffold
Formula:C7H8N2OPurity:Min. 95%Molecular weight:136.15 g/molFmoc-2,6-dichloro-L-phenylalanine
CAS:Please enquire for more information about Fmoc-2,6-dichloro-L-phenylalanine including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C24H19Cl2NO4Purity:Min. 95%Molecular weight:456.32 g/molRef: 3D-FF48009
Discontinued product2-[(tert-Butoxy)carbonyl]-2-azabicyclo[3.1.0]hexane-5-carboxylic acid
CAS:Versatile small molecule scaffold
Formula:C11H17NO4Purity:Min. 95%Molecular weight:227.26 g/mol1-(3-Amino-1H-pyrazol-1-yl)-2-methylpropan-2-ol
CAS:Versatile small molecule scaffold
Formula:C7H13N3OPurity:Min. 95%Molecular weight:155.2 g/molChloromethyl cyclohexyl ether
CAS:Chloromethyl cyclohexyl ether is a light-sensitive cross-linking agent that can be activated by light. It has two functional groups, a hydroxyl group and a chlorine atom. The skeleton of chloromethyl cyclohexyl ether is composed of an alicyclic hydrocarbon with six carbons and the molecule contains two divalent hydrocarbons, one of which is a trifluoromethyl group. Chloromethyl cyclohexyl ether has been used as a solid catalyst in the synthesis of amides and is also used in hyperproliferative diseases such as cancer.
Formula:C7H13ClOPurity:Min. 95%Molecular weight:148.63 g/mol±,±,±²,±²-Tetramethyl-1,3-benzenedipropionic acid
CAS:Versatile small molecule scaffold
Formula:C16H22O4Purity:Min. 95%Molecular weight:278.34 g/mol5-Methyl-1-(piperidin-4-yl)-1H-pyrazole-4-carboxylic acid dihydrochloride
CAS:Versatile small molecule scaffoldFormula:C10H17Cl2N3O2Purity:Min. 95%Molecular weight:282.16 g/molMethyl 4-chloro-5-hydroxy-3-pyridinecarboxylate
CAS:Versatile small molecule scaffold
Formula:C7H6ClNO3Purity:Min. 95%Molecular weight:187.58 g/mol4-(Benzyloxy)thiophenol
CAS:Versatile small molecule scaffold
Formula:C13H12OSPurity:Min. 95%Molecular weight:216.3 g/mol2,5-Dimethoxytetrahydrofuran
CAS:2,5-Dimethoxytetrahydrofuran is an organic compound that can be synthesized from 2,5-dimethoxybenzaldehyde and tetrahydrofuran. The asymmetric synthesis of this compound was first reported in 1968. The nmr spectrum of 2,5-dimethoxytetrahydrofuran shows two signals at δ 5.89 and δ 7.03 ppm. This compound is soluble in water and organic solvents such as dichloromethane, benzene, toluene, chloroform, and methanol. 2,5-Dimethoxytetrahydrofuran has been shown to have pain-relieving effects using the formalin test in mice and rats. It also has antineoplastic properties when used with other quinoline derivatives.br>br> 2,5-Dimethoxytetrahydrofuran is a white solid
Formula:C6H12O3Purity:Min. 95%Color and Shape:PowderMolecular weight:132.16 g/molRef: 3D-FD00819
Discontinued productMacaridine
CAS:Please enquire for more information about Macaridine including the price, delivery time and more detailed product information at the technical inquiry form on this page
Formula:C13H13NO2Purity:Min. 95%Molecular weight:215.25 g/molRef: 3D-FM183770
Discontinued productNor reticuline
CAS:Norreticuline is a virus-induced gene that is primarily found in the opium poppy, Papaver somniferum. Norreticuline has been shown to be biosynthesized from reticuline by a series of enzymatic reactions. It is also involved in the metabolic pathway of papaverine, which is an alkaloid that has been used as a vasodilator and anti-hypertensive drug. The optimum pH for norreticuline production is between 6 and 7. Norreticuline has demonstrated anticancer activity against various tumor cells, such as breast cancer cells and colon cancer cells. Norreticuline may also have antiviral properties due to its ability to inhibit viral DNA replication and synthesis of viral proteins.
Formula:C18H21NO4Purity:Min. 95%Molecular weight:315.36 g/molRef: 3D-FN26415
Discontinued product4-Bromothiophene-2-acetic acid
CAS:Versatile small molecule scaffold
Formula:C6H5BrO2SPurity:Min. 95%Molecular weight:221.07 g/mol
