Miscelânea de Moléculas Orgânicas com Substituições Isotópicas
Nesta seção, você encontrará uma variedade de compostos orgânicos usados na química sintética que apresentam substituições isotópicas. Essas moléculas marcadas isotopicamente são inestimáveis em aplicações de pesquisa, como rastreamento de vias de reação, estudo de processos metabólicos e realização de espectroscopia de RMN. Na CymitQuimica, oferecemos uma ampla gama de moléculas orgânicas marcadas isotopicamente de alta qualidade para apoiar suas necessidades avançadas de pesquisa e análise.
Subcategorias de "Miscelânea de Moléculas Orgânicas com Substituições Isotópicas"
Foram encontrados 2001 produtos de "Miscelânea de Moléculas Orgânicas com Substituições Isotópicas"
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1,3-Diethylbenzene-2,4,5,6-d4
CAS:Fórmula:C6D4(CH2CH3)2Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:138.13466o-Tolyl-d7 Isocyanate
CAS:Fórmula:CD3C6D4NCOPureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:140.0967n-Pentyl-d11 Chloroformate
CAS:Fórmula:CD3CD2CD2CD2CD2OCOClPureza:99 atom % DCor e Forma:Colorless To Yellow LiquidPeso molecular:161.1138α-1,2,3,4,5,6-Hexachloro-cyclohexane-d6
CAS:Fórmula:C6Cl6D6Pureza:99 atom % DCor e Forma:White-Pale Yellow SolidPeso molecular:293.89773n-Hexyl-d13 Chloroformate
CAS:Fórmula:CD3(CD2)5OCOClPureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:177.14201Toluene-d6 2,4-Di-iso-cyanate
CAS:Pureza:99 atom % DCor e Forma:Colorless To Yellow LiquidPeso molecular:180.20Sodium Cyanoborodeuteride
CAS:Fórmula:NaBD3CNPureza:97 atom % DCor e Forma:White SolidPeso molecular:66.04445Perfluorononanoic Acid (PFNA) 97% purity (13C9, 99%) - 1 ug/ml in Methanol
Fórmula:*CF3(*CF2)7*COOHPureza:97%Peso molecular:473.012-Chlorobenzaldehyde-3,4,5,6-d4
CAS:Fórmula:ClC6D4CHOPureza:98 atom % DCor e Forma:Colorless To Yellow LiquidPeso molecular:144.0281,3-Diethylbenzene-d14
CAS:Fórmula:C6D4(CD2CD3)2Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:148.19742(±)-N-t-BOC-Anatabine-d3 (1,2,3,6-tetrahydropyridinyl-3,3,4-d3)
CAS:Pureza:99 atom % DPeso molecular:255.823-Hydroxyhippuric-d4 acid (3-hydroxybenzamido-2,4,5,6-d4)
CAS:Pureza:98 atom % DPeso molecular:199.22N-Acetyl-d3-glycine-d2-N-methyl-d3-amide
CAS:Fórmula:CD3CONHCD2CONHCD3Pureza:98 atom % DCor e Forma:White SolidPeso molecular:138.124442-Methylbutane-d12 (Isopentane
CAS:Fórmula:CD3CD2CD(CD3)2Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:84.16922N-Nitrosodimethyl-d6-amine
CAS:Fórmula:(CD3)2NNOPureza:98 atom % DCor e Forma:Yellow LiquidPeso molecular:80.08567p-Tolyl-d7 Isocyanate
CAS:Fórmula:CD3C6D4NCOPureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:140.09671,4-Diethylbenzene-d14
CAS:Fórmula:C6D4(CD2CD3)2Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:148.19742Phosphoric Acid-d3(85% w/w in D2O)
CAS:Fórmula:D3PO4D2OsolutionPureza:99 atom % DCor e Forma:Colorless. Viscous LiquidPeso molecular:101.011,1-Dimethyl-d6-urea
CAS:Fórmula:H2NCON(CD3)2Pureza:99 atom % DCor e Forma:White SolidPeso molecular:94.10132Hexanedioic-d8 Acid Dihydrazide(HexanedioicAcidDihydrazide)
CAS:Fórmula:H2NNHCO(CD2)4CONHNH2Pureza:98 atom % DPeso molecular:182.16189Perfluorooctanoic Acid (PFOA) (13C8, 99%) - 50 ug/ml in Methanol
Fórmula:*CF3(*CF2)6*COOHPureza:98%Peso molecular:422.01-Phenyl-1-butyne-3,3,4,4,4-d5
CAS:Fórmula:C6H5CCCD2CD3Pureza:99 atom % DCor e Forma:Colorless LiquidPeso molecular:135.109634-Acetamidobenzene-d4-sulfonylChloride
CAS:Fórmula:CH3CONHC6D4SO2ClPureza:98 atom % DCor e Forma:Off White To Grey SolidPeso molecular:237.01645Tri-p-tolylamine-15N
CAS:Fórmula:(CH3C6H4)31NPureza:99 atom % 15NCor e Forma:White SolidPeso molecular:2836.701114,4'-Dibromobiphenyl-d8
CAS:Fórmula:BrC6D4C6D4BrPureza:99 atom % DCor e Forma:White SolidPeso molecular:317.94949Acetone-d6 (reagent grade)
CAS:Fórmula:CD3COCD3Pureza:99 atom % DCor e Forma:Colorless LiquidPeso molecular:64.07953α-1,2,3,4,5,6-Hexachloro-cyclohexane-13C6
CAS:Fórmula:C6Cl6H6Pureza:99 atom % 13CPeso molecular:287.86007L-Lysine-DL-amphetamine-d62HCl (propane-1,1,2,3,3,3-d6)
CAS:Produto ControladoCor e Forma:White SolidPeso molecular:342.341,4-Diethylbenzene-2,3,5,6-d4
CAS:Fórmula:C6D4(CH2CH3)2Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:138.13466Dimehtyl-d6 Carbonate
CAS:Fórmula:(CD3O)2COPureza:99 atom % DCor e Forma:Colorless LiquidPeso molecular:96.06935Perfluorononanoic Acid (PFNA) 97% purity (13C9, 99%) - 50 ug/ml in Methanol
Fórmula:*CF3(*CF2)7*COOHPureza:97%Peso molecular:473.01Pentafluoroethane-d1 (gaz)
CAS:Fórmula:CF3CDF2Pureza:98 atom % DCor e Forma:Colorless GasPeso molecular:121.00612(±)-2-Bromopropionic-3,3,3-d3Acid
CAS:Fórmula:CD3CH(Br)COOHPureza:98 atom % DCor e Forma:Colorless-Yellow LiquidPeso molecular:154.96612Diethyl-d10-amine HBr
CAS:Fórmula:(CD3CD2)2NHHBrPureza:99 atom % DCor e Forma:White SolidPeso molecular:163.07808Ferrocene-d10
CAS:Fórmula:(C5D5)2FePureza:98 atom % DCor e Forma:Orange-Reddish SolidPeso molecular:196.07595Tetramethyl-d12-urea
CAS:Fórmula:(CD3)2NCON(CD3)2Pureza:99 atom % DCor e Forma:Colorless LiquidPeso molecular:128.17028Perfluorohexanesulfonate, Potassium salt (13C6, 99%) - 50 ug/ml in Methanol
Fórmula:*C6F13KO3SPureza:98%Peso molecular:444.162-Butanone-1,1,1,3,3-d5
CAS:Fórmula:CH3CD2COCD3Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:77.144-Hydroxy-2,2,6,6-tetramethyl-piperidine-d17-1-15N-1-oxyl"Carboglace"
CAS:Pureza:97 atom % D; 99 atom % 15NCor e Forma:Yellow-Orange SolidPeso molecular:190.36Gabapentin-d4 [1-(aminomethyl-d2)cyclohexaneacetic-d2 acid]
CAS:Pureza:98 atom % D. Contains <2%-d10 on the cyclohexyl ring.Cor e Forma:White SolidPeso molecular:175.26L-Alanine-13C3;15N
CAS:Fórmula:CH313CHNH2)13COOHPureza:99 atom % 13C; 99 atom % 15NCor e Forma:White SolidPeso molecular:93.07Hydrazine Sulfate-d6
CAS:Fórmula:ND2ND2D2SO4Pureza:98 atom % DCor e Forma:White SolidPeso molecular:136.042493-Aminopropionamide-2,2,3,3-d4HCl
CAS:Fórmula:H2NCD2CD2CONH2HClPureza:98 atom % DCor e Forma:White SolidPeso molecular:128.065455-(4-Hydroxyphenyl)-5-phenyl-d5-hydantoin-2,4,5-13C3
CAS:Pureza:99 atom % D; 99 atom % 13CCor e Forma:White SolidPeso molecular:276.33n-Propyl-2,2-d2 Alcohol
CAS:Fórmula:CH3CD2CH2OHPureza:98 atom % DCor e Forma:Colourless LiquidPeso molecular:62.07007Cyromazine-d4 (cyclopropyl-2,23,3-d4)
CAS:Pureza:99 atom % DCor e Forma:Colorless SolidPeso molecular:170.21n-Heptylbenzene-d20
CAS:Fórmula:C6D5(CD2)6CD3Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:196.282043-Methyl-1-butyl-1,1,2,2-d4Alcohol
CAS:Fórmula:(CH3)2CHCD2CD2OHPureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:92.11392n-Hexyl Acetate-d3
CAS:Fórmula:CH3(CH2)5OCOCD3Pureza:99 atom % DCor e Forma:Colorless LiquidPeso molecular:147.13386Testosterone-16,16,17-d3 3-Cyclopentylpropionate
CAS:Produto ControladoPureza:99 atom % DCor e Forma:White SolidPeso molecular:415.63N-(Carboxypropyl)-N,N,N-trimethyl-d9-ammonium Chloride
CAS:Fórmula:HOOC(CH2)3N(CD3)3ClPureza:99 atom % DCor e Forma:White SolidPeso molecular:190.14345n-Hexadecyl-2,2,3,3à16,16,16-d31 Alcohol
CAS:Fórmula:CD3(CD2)14CH2OHPureza:98 atom % DCor e Forma:White SolidPeso molecular:273.455541,10-Decanedioic-2,2,9,9-d4Acid
CAS:Fórmula:HOOCCD2(CH2)6CD2COOHPureza:98 atom % DCor e Forma:White SolidPeso molecular:206.14562n-Undecyl-1,1,2,2-d4 Alcohol
CAS:Fórmula:CH3(CH2)8CD2CD2OHPureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:176.20782N-(4-Aminobenzoyl-d4)glycine
CAS:Fórmula:H2NC6D4CONHCH2COOHPureza:98 atom % DCor e Forma:White To Off-White SolidPeso molecular:198.094251,4-Butane-d8-diol
CAS:Produto ControladoFórmula:HO(CD2)4OHPureza:98 atom % DCor e Forma:Colorless. Viscous Liquid. OdorlessPeso molecular:98.118294-(Trifluoromethyl)aniline-2,3,5,6-d4
CAS:Fórmula:CF3C6D4NH2Pureza:98 atom % DCor e Forma:Colorless To Brown LiquidPeso molecular:165.07034L-Phenyl-d5-alanine-2,3,3-d3
CAS:Fórmula:C6D5CD2CD(NH2)COOHPureza:98 atom % DCor e Forma:White SolidPeso molecular:173.12919Dodecyltrimethylammonium-d34Bromide
CAS:Fórmula:CD3(CD2)11N(CD3)3BrPureza:98 atom % DCor e Forma:White SolidPeso molecular:341.400872-Fluorobenzoic-d4 Acid
CAS:Fórmula:FC6D4COOHPureza:98 atom % DCor e Forma:White SolidPeso molecular:144.05246N-trans-Cinnamoylglycine-2,2-d2
CAS:Fórmula:C6H5CHCHCONHCD2COOHPureza:99 atom % DCor e Forma:Off-White SolidPeso molecular:207.08645Styrene-2,3,4,5,6-d5
CAS:Fórmula:C6D5CHCH2Pureza:98 atom % DCor e Forma:Colorless-Pale Yellow LiquidPeso molecular:109.093984-Methylpyridine-d7
CAS:Fórmula:CD3C5D4NPureza:98 atom % DCor e Forma:Colorless To Yellow LiquidPeso molecular:100.10179N-Tigloylglycine-2,2-d2
CAS:Fórmula:CH3CHC(CH3)CONHCD2COOHPureza:98 atom % DCor e Forma:White SolidPeso molecular:159.08645iso-Propylamine-d9
CAS:Fórmula:(CD3)2CDND2Pureza:98 atom % DCor e Forma:Colorless Liquid Below 32°Peso molecular:68.12999(±)-Amlodipine-d4 Maleate(2-chlorophenyl-d4)
CAS:Pureza:98 atom % DCor e Forma:White To Yellow SolidPeso molecular:528.982-Chloroaniline-d6
CAS:Fórmula:ClC6D4ND2Pureza:98 atom % DCor e Forma:Colorless To Brown LiquidPeso molecular:133.05654n-Hexyl-1,1-d2 Alcohol
CAS:Fórmula:CH3(CH2)4CD2OHPureza:99 atom % DCor e Forma:Colorless LiquidPeso molecular:104.11702Acetaldehyde-d4
CAS:Fórmula:CD3CDOPureza:99 atom % DCor e Forma:Colorless LiquidPeso molecular:48.05132Trimethyl-d9-sulfoxoniumIodide
CAS:Fórmula:(CD3)3S(O)IPureza:99 atom % DCor e Forma:White To Yellow SolidPeso molecular:228.998372,6-Dimethyl-d6-aniline
CAS:Fórmula:(CD3)2C6H3NH2Pureza:98 atom % DCor e Forma:Colorless To Brown LiquidPeso molecular:127.12681Glycodeoxycholic-d6-acid (2,2,4,4-d4; glycine-2,2-d2)
CAS:Fórmula:C26H37D6NO5Pureza:97 atom % DPeso molecular:455.35178Cyclohexene-d10
CAS:Fórmula:C6D10Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:92.14102Ethyl Cinnamate-d5 (phenyl-d5)
CAS:Fórmula:C6D5CHCHCOOCH2CH3Pureza:98 atom % DCor e Forma:Colorless LiquidPeso molecular:181.115117α-Hydroxycholesterol-25,26,26,26,27,27,27-d7
CAS:Pureza:98 atom % DCor e Forma:White SolidPeso molecular:409.70Ligustilide
CAS:Ligustilide and senkyunolide A, two of the most abundant Ligusticum chuanxiong constituents, have vasorelaxation activities in contractions to various contractile agents in rat isolated aorta.Fórmula:C12H14O2Pureza:95%~99%Cor e Forma:OilPeso molecular:190.242Lycopene
CAS:Lycopene is the pigment principally responsible for the characteristic deep-red color of ripe tomato fruits and tomato products. Lycopene is an antioxidant scavenger, hypolipaemic agent, inhibitor of pro-inflammatory and pro-thrombotic factors, thus potentially of benefit in cardiovascular disease (CVD). Lycopene may play a role in the prevention of Renal cell carcinoma, it also may play a role against obesity-related complications.Fórmula:C40H56Pureza:95%~99%Peso molecular:536.888Androsin
CAS:Nomilin has immunomodulatory, antioxidant, anti-human immunodeficiency virus(HIV), cancer chemopreventive, antiangiogenic, anti-obesity and anti-hyperglycemic effects. Nomilin inhibits tumor-specific angiogenesis by downregulating VEGF, NO and proinflammatory cytokine profile and also by inhibiting the activation of MMP-2 and MMP-9. It inhibits osteoclastogenesis in vitro by suppression of NFATc1 and MAPK signaling pathways, indicates that nomilin-containing herbal preparations have potential utility for the prevention of bone metabolic diseases.Fórmula:C15H20O8Pureza:95%~99%Peso molecular:328.317Lobetyolin
CAS:Lobetyolin has a protective role in gastric mucosa injury,and the mechanism may be relate to the increase in level of 6-K-PGF1αand the inhibition the excretion of gastric acid and EGF.Fórmula:C20H28O8Pureza:95%~99%Cor e Forma:PowderPeso molecular:396.436Temozolomide-d3
CAS:Produto ControladoFórmula:C6H3H3N6O2Cor e Forma:Off White SolidPeso molecular:197.179-cis-Retinol Acetate-d5 (>80%)
CAS:Produto Controlado<p>Stability Light Sensitive, Temperature Sensitive<br>Applications Labelled 9-cis Retinol Acetate (R252100). Retinal derivative for treatment of visual disorders. Vitamin A derivative.<br>References Ruiz, A., et al.: J. Biol. Chem., 274, 3834 (1999), van Hooser, J., et al.: J. Biol. Chem., 277, 19173 (2002), Haeseleer, F., et al.: J. Biol. Chem., 277, 45537 (2002).<br></p>Fórmula:C22H27D5O2Pureza:>80%Cor e Forma:NeatPeso molecular:333.52(R)-(-)-Ketoprofen-13C,d3
CAS:Produto Controlado<p>Applications Labelled R-Ketoprofen (K200806). Anti-inflammatory; analgesic.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Ueno, K., et al.: J. Med. Chem., 19, 941 (1976), Liversidge, G.G., Anal. Profiles Drug Subs., 10, 443 (1981), Jamali, F., et al.: Clin. Pharmacokinet., 19, 197 (1990),<br></p>Fórmula:CC15D3H11O3Cor e Forma:Colourless To BeigePeso molecular:258.29Ethyl Acetoacetate-13C4
CAS:Produto Controlado<p>Applications Ethyl Acetoacetate-13C4 is the isotope labelled analog of Ethyl Acetoacetate, an chemical intermediate used in the production of various analgesics, antibiotics and antimalarial agents.<br>References Mutti, F.G., et al.: Adv. Syn. Cata., 354, 3409 (2012); Subudhi, B., et al.: Bull. Chem. Soc., Ethiopia., 26, 455 (2012);<br></p>Fórmula:C213C4H10O3Cor e Forma:Colourless OilyPeso molecular:134.11(-)-Epigallocatechin Gallate-d3/d4
CAS:Produto Controlado<p>Stability Hygroscopic<br>Applications Labelled (-)-Epigallocatechin Gallate, a tumor-inhibiting constituent of green tea. (-)-Epigallocatechin Gallate alters the cleavage of amyloid precursor protein, decreasing production of amaloid-ß and amaloid plaques in mice.<br>References Yamane, T. et al.: Cancer Res., 55, 2081 (1995); Tan, J. et al.: J. Neurosci. 25, 8807 (2005);<br></p>Fórmula:C22D3H15O11Cor e Forma:NeatPeso molecular:461.39Fenuron-d5 (phenyl-d5)
CAS:Produto Controlado<p>Applications Fenuron-d5 (phenyl-d5) (CAS# 1219802-06-8) is a useful isotopically labeled research compound. It can be used for the preparation of difunctionalized indoles.<br>References Lv, H., et al.: Org. Biomol. Chem., 15, 8054 (2017)<br></p>Fórmula:C9H5H7N2OCor e Forma:NeatPeso molecular:169.24rac-Nicotine-2’,3’,3’-d3
CAS:Produto Controlado<p>Applications Labelled rac-Nicotine (N412420). Nicotine is an alkaloid isolated from plants. Nicotine is an active stimulant, having both addictive and carcinogenic properties. Nicotine can be absorbed through the alimentary canal, respiratory tract and intact skin. Nicotine is used in the treatment of smoking withdrawal syndrome. Nicotine has been used as an anthelmintic.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Ferretti, G., et al.: J. Med. Chem., 45, 4724 (2002), Guillen, M., et al.: J. Agric. Food Chem., 53, 1093 (2005), Ramunno, A., et al.: Bioorg. Med. Chem. Lett., 15, 3237 (2005), Alburges, M., et al.: Eur. J. Pharmacol., 573, 124 (2007),<br></p>Fórmula:C10H11D3N2Cor e Forma:NeatPeso molecular:165.25(-)-Huperzine A-d6 (Major)
CAS:Produto ControladoFórmula:C15H11D7N2OCor e Forma:NeatPeso molecular:248.35N-(Acetyl-d3)-S-allyl-L-cysteine
CAS:Produto Controlado<p>Applications A component of garlic which revealed antiplatelet, antithrombotic activity and reduced LDL oxidation thus indicating their possible use for cardiovascular disease.<br>References Steinberg, D., et al.: J. Biol. Chem., 272, 20963 (1997), Lawson, L., et al.: J. Agric. Food Chem., 53, 6254 (2005), Gonen, A., et al.: Pathobiology, 72, 325 (2005),<br></p>Fórmula:C8H10D3NO3SCor e Forma:NeatPeso molecular:206.28N-Nitrosodimethylamine-d6
CAS:Produto Controlado<p>Stability Very Volatile<br>Applications Isotope labelled N-Nitrosodimethylamine is a highly toxic semi-volatile organic compound and a suspected human carcinogen. It induces liver tumors in rats after chronic exposure to low doses (1,2). Drinking water contaminant candidate list 3 (CCL 3) compound as per United States Environmental Protection Agency (EPA). Environmental contaminants; Food contaminants.<br>Dangerous Goods Info This compound is forbidden to ship by air under IATA regulations.<br>References 1. Peto, R. et al.: Cancer Res.1991 Dec 1;51(23 Pt 2):6415-51.2. Lee, ES. et al.: J. Pharm. Pharmacol., 2003 Aug;55(8):1169-74<br></p>Fórmula:C2D6N2OCor e Forma:Colourless to Yellow OilPeso molecular:80.12N-Nitrosodimethylamine-13C2D6
Produto ControladoFórmula:C2D6N2OCor e Forma:Colourless OilPeso molecular:82.10Artemisinin-d3
CAS:<p>Applications Active antimalarial constituent of the tradional Chinese medicinal herb Artemisia annua L., Compositae, which has been known for almost 2000 years as Qinghao. Antimalarial.<br>References Klayman, D.L., et al.: Science, 228, 1049 (1985), Price, R.N., et al.: Expert Opin. Invest. Drugs, 9, 1815 (2000), Meshnick, S.R., et al.: Int. J., Parasitol., 32, 1655 (2002),<br></p>Fórmula:C152H3H19O5Cor e Forma:White to Off-White SolidPeso molecular:285.352-Chloroethanol-1,1,2,2-d4
CAS:Produto Controlado<p>Applications 2-Chloroethanol is used in the preparation of TTFTT (tetrathiafulvalene-2,3,6,7-tetrathiolate) and important building block in TTF syntheis. In addition, it is used in the synthesis of vinyltriazoles. This is the labeled analog.<br>Dangerous Goods Info This compound is forbidden to ship by air under IATA regulations.<br>References Svenstrup, N. et al.: Synthesis, 8, 809 (1994); Thibault, R. et al.: J. Am. Chem. Soc., 128, 12084 (2006);<br></p>Fórmula:C22H4ClOHCor e Forma:Colourless OilPeso molecular:84.54Dihydro Artemisinin-d3
CAS:<p>Stability Unstable in Solution<br>Applications The main labelled metabolite of Artemisinin, Arteether, Artemether, Artesunate. An active antimalarial metabolite.<br>References e Vries, P., et al.: Drugs, 52, 818 (1996), Kamolrat, S., et al.: Antimicrob. Agents Chemother., 47, 3795 (2003), Mithwani, S., et al.: Br. J. Clin. Pharmacol., 57, 146 (2004),<br></p>Fórmula:C152H3H21O5Cor e Forma:White to Off-White SolidPeso molecular:287.37Isosorbide-13C6 5-Mononitrate, 90%
CAS:Fórmula:C6H9NO6Pureza:90%Cor e Forma:White to Light Green SolidPeso molecular:197.09
![Gabapentin-d4 [1-(aminomethyl-d2)cyclohexaneacetic-d2 acid]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3U%2Fthumb-webp%2FD6448.webp&w=3840&q=75)
