Anillos de 6 miembros
Los anillos de 6 miembros son compuestos que contienen un anillo de seis miembros en su estructura. Esta categoría incluye una amplia variedad de compuestos como bencenos, ciclohexanos, anilinas, anisoles, toluenos, quinonas y heterociclos de seis miembros. Estos compuestos son cruciales en muchas síntesis y aplicaciones químicas. En CymitQuimica, ofrecemos una gama completa de compuestos de anillos de 6 miembros para apoyar sus investigaciones y aplicaciones industriales.
Subcategorías de "Anillos de 6 miembros"
- Heterociclos de 6 miembros(61.479 productos)
- Anilinas(104 productos)
- Anisoles(29 productos)
- Bencenos(48.836 productos)
- Ciclohexanos(3.060 productos)
- Quinonas(252 productos)
- Toluenos(193 productos)
Se han encontrado 10218 productos de "Anillos de 6 miembros"
Ordenar por
Pureza (%)
0
100
|
0
|
50
|
90
|
95
|
100
4,5,9,10-Tetrahydropyrene
CAS:Fórmula:C16H14Pureza:>98.0%(GC)Forma y color:White to Light yellow powder to crystalPeso molecular:206.292,6-Dibromo-9,10-di(2-naphthyl)anthracene
CAS:Fórmula:C34H20Br2Pureza:>98.0%(HPLC)Forma y color:Light yellow to Amber to Dark green powder to crystalPeso molecular:588.34Tridecylbenzene
CAS:Fórmula:C19H32Pureza:>99.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:260.471-Chloro-3,5-dimethyladamantane
CAS:Fórmula:C12H19ClPureza:>98.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:198.73Ru(OAc)2[(R)-binap]
CAS:Fórmula:C48H38O4P2RuForma y color:Yellow to Amber to Dark purple powder to crystalPeso molecular:841.854,4'-Dipropoxyazoxybenzene
CAS:Fórmula:C18H22N2O3Pureza:>98.0%(GC)(N)Forma y color:Light yellow to Yellow to Orange powder to crystalPeso molecular:314.39Ru(OAc)2[(S)-tolbinap]
CAS:Fórmula:C52H46O4P2RuForma y color:Yellow to Brown to Dark green powder to crystalPeso molecular:897.95Tridecylcyclohexane
CAS:Fórmula:C19H38Pureza:>98.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:266.51[RuCl(p-cymene)((R)-binap)]Cl
CAS:Fórmula:C54H46Cl2P2RuPureza:>90.0%(HPLC)Forma y color:Light yellow to Brown powder to crystalPeso molecular:928.88Venlafaxine Hydrochloride
CAS:Fórmula:C17H27NO2·HClPureza:>98.0%(T)(HPLC)Forma y color:White to Almost white powder to crystalPeso molecular:313.87Cyclopenta[fg]tetracene-1,2-dione
CAS:Fórmula:C20H10O2Forma y color:Dark red to Dark purple to Dark blue powder to crystalPeso molecular:282.301-Adamantanecarboxylic Acid (purified by sublimation)
CAS:Fórmula:C11H16O2Pureza:>99.5%(GC)Forma y color:White to Almost white powder to crystalPeso molecular:180.252-Aminoanthracene-9,10-dione
CAS:Fórmula:C14H9NO2Pureza:>98.0%(T)(HPLC)Forma y color:Orange to Amber to Dark red powder to crystalPeso molecular:223.23trans-m-Coumaric Acid
CAS:Fórmula:C9H8O3Pureza:>99.0%(GC)(T)Forma y color:White to Almost white powder to crystalPeso molecular:164.16(S)-(-)-XylBINAP
CAS:Fórmula:C52H48P2Pureza:>97.0%(HPLC)Forma y color:White to Almost white powder to crystalPeso molecular:734.902,4-Dimethoxycinnamic Acid
CAS:Fórmula:C11H12O4Pureza:>96.0%(GC)(T)Forma y color:White to Orange to Green powder to crystalPeso molecular:208.21(R)-2,2'-Bis(methoxymethoxy)-1,1'-binaphthyl
CAS:Fórmula:C24H22O4Pureza:>98.0%(GC)Forma y color:White to Light yellow powder to crystalPeso molecular:374.44(R)-(+)-TolBINAP
CAS:Fórmula:C48H40P2Pureza:>98.0%(HPLC)Forma y color:White to Almost white powder to crystalPeso molecular:678.809-Aminoanthracene
CAS:Fórmula:C14H11NPureza:>96.0%(GC)(N)Forma y color:Yellow to Brown to Dark green powder to crystalPeso molecular:193.253,5-Dimethyl-1-adamantanemethanol
CAS:Fórmula:C13H22OPureza:>98.0%(GC)Forma y color:White to Almost white powder to crystalPeso molecular:194.325-Sulfo-4'-diethylamino-2,2'-dihydroxyazobenzene
CAS:Fórmula:C16H19N3O5SPureza:>90.0%(T)(HPLC)Forma y color:Red to Purple powder to crystalPeso molecular:365.404-Aminostilbene
CAS:Fórmula:C14H13NPureza:>97.0%(T)(HPLC)Forma y color:White to Yellow to Green powder to crystalPeso molecular:195.27Disodium 4,4'-Dinitrostilbene-2,2'-disulfonate
CAS:Fórmula:C14H8N2Na2O10S2Pureza:>98.0%(T)(HPLC)Forma y color:Light yellow to Brown powder to crystalPeso molecular:474.323,4,9,10-Perylenetetracarboxylic Diimide
CAS:Fórmula:C24H10N2O4Pureza:>95.0%(N)Forma y color:Yellow to Dark green to Black powder to crystalPeso molecular:390.354,4'-Dinitrostilbene
CAS:Fórmula:C14H10N2O4Pureza:>98.0%(HPLC)Forma y color:Yellow to Amber powder to crystalPeso molecular:270.24(R)-(+)-2-Diphenylphosphino-2'-methoxy-1,1'-binaphthyl
CAS:Fórmula:C33H25OPPureza:>98.0%(GC)Forma y color:White to Light yellow powder to crystalPeso molecular:468.542,3,4,5,6-Pentafluorobenzophenone
CAS:Fórmula:C13H5F5OPureza:>98.0%(GC)Forma y color:White or Colorless to Light yellow powder to lump to clear liquidPeso molecular:272.17(S)-[4-(Pyridin-4-yl)-4,5-dihydro-3H-dinaphtho[2,1-c:1',2'-e]azepine-2,6-diyl]bis[bis[4-(tert-butyl)phenyl]methanol]
CAS:Fórmula:C69H72N2O2Pureza:>85.0%(HPLC)Forma y color:Light orange to Yellow to Green powder to crystalPeso molecular:961.35Octafluorotoluene
CAS:Fórmula:C7F8Pureza:>98.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:236.06Ethyl (E)-Cinnamate
CAS:Fórmula:C11H12O2Pureza:>99.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:176.229,10-Di(1-naphthyl)anthracene (purified by sublimation)
CAS:Fórmula:C34H22Pureza:>99.0%(HPLC)Forma y color:White to Light yellow powder to crystalPeso molecular:430.552-Ethyl-p-xylene
CAS:Fórmula:C10H14Pureza:>98.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:134.223-(Trifluoromethyl)cinnamic Acid
CAS:Fórmula:C10H7F3O2Pureza:>99.0%(GC)(T)Forma y color:White to Almost white powder to crystalPeso molecular:216.16Perylene
CAS:Fórmula:C20H12Pureza:>98.0%(GC)Forma y color:Light yellow to Brown powder to crystalPeso molecular:252.325-Phenylhydantoin
CAS:Fórmula:C9H8N2O2Pureza:>99.0%(T)(HPLC)Forma y color:White to Almost white powder to crystalPeso molecular:176.189,10-Bis(4-methoxyphenyl)anthracene
CAS:Fórmula:C28H22O2Pureza:>98.0%(GC)Forma y color:White to Light yellow powder to crystalPeso molecular:390.484'-Chlorochalcone
CAS:Fórmula:C15H11ClOPureza:>98.0%(GC)Forma y color:White to Yellow to Green powder to crystalPeso molecular:242.70N,N-Dimethylanilinium Tetrakis(pentafluorophenyl)borate
CAS:Fórmula:C32H12BF20NPureza:>98.0%(T)Forma y color:White to Almost white powder to crystalPeso molecular:801.231-Adamantanamine
CAS:Fórmula:C10H17NPureza:>98.0%(GC)(T)Forma y color:White to Almost white powder to crystalPeso molecular:151.251-Acryloyloxy-3-hydroxyadamantane
CAS:Fórmula:C13H18O3Pureza:>98.0%(GC)Forma y color:White to Almost white powder to crystalPeso molecular:222.283,4-Dimethoxycinnamic Acid
CAS:Fórmula:C11H12O4Pureza:>98.0%(GC)(T)Forma y color:White to Light yellow to Green powder to crystalPeso molecular:208.21(E)-3-Nitrocinnamic Acid
CAS:Fórmula:C9H7NO4Pureza:>98.0%(GC)(T)Forma y color:White to Light yellow powder to crystalPeso molecular:193.16Heptylbenzene
CAS:Fórmula:C13H20Pureza:>97.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:176.30Ethyl 4-Methoxycinnamate
CAS:Fórmula:C12H14O3Pureza:>98.0%(GC)Forma y color:White to Almost white powder to crystalPeso molecular:206.244,4,5,5-Tetramethyl-2-[10-(1-naphthyl)anthracen-9-yl]-1,3,2-dioxaborolane
CAS:Fórmula:C30H27BO2Pureza:>97.0%(GC)Forma y color:White to Light yellow powder to crystalPeso molecular:430.35Undecylcyclohexane
CAS:Fórmula:C17H34Pureza:>99.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:238.464,4'-Dimethylbiphenyl
CAS:Fórmula:C14H14Pureza:>97.0%(GC)Forma y color:White to Light yellow powder to crystalPeso molecular:182.272-Amino-1-phenylethanol
CAS:Fórmula:C8H11NOPureza:>97.0%(GC)(T)Forma y color:White to Orange to Green powder to crystalPeso molecular:137.181,1'-Iminodianthraquinone [for Determination of Boron]
CAS:Fórmula:C28H15NO4Pureza:>98.0%(N)Forma y color:Orange to Brown to Dark red powder to crystalPeso molecular:429.434-Aminobenzyl Alcohol
CAS:Fórmula:C7H9NOPureza:>98.0%(GC)(T)Forma y color:White to Brown powder to crystalPeso molecular:123.162-Methylcinnamic Acid
CAS:Fórmula:C10H10O2Pureza:>98.0%(GC)(T)Forma y color:White to Almost white powder to crystalPeso molecular:162.191-Chloro-9,10-bis(phenylethynyl)anthracene
CAS:Fórmula:C30H17ClPureza:>96.0%(T)(HPLC)Forma y color:Light yellow to Brown powder to crystalPeso molecular:412.92(S)-(+)-1,1'-Binaphthyl-2,2'-diyl Bis(trifluoromethanesulfonate)
CAS:Fórmula:C22H12F6O6S2Pureza:>93.0%(HPLC)Forma y color:White to Light yellow powder to crystalPeso molecular:550.44Perylene (purified by sublimation)
CAS:Fórmula:C20H12Pureza:>99.0%(GC)Forma y color:Light yellow to Brown powder to crystalinePeso molecular:252.329,10-Dimethylanthracene
CAS:Fórmula:C16H14Pureza:>98.0%(GC)Forma y color:Light yellow to Yellow to Orange powder to crystalPeso molecular:206.299,10-Diphenylanthracene
CAS:Fórmula:C26H18Pureza:>98.0%(GC)Forma y color:Light orange to Yellow to Green powder to crystalPeso molecular:330.43DABCYL C2 maleimide
CAS:Fórmula:C21H21N5O3Pureza:>95.0%(T)(HPLC)Forma y color:White to Yellow to Orange powder to crystalPeso molecular:391.431-Aminoanthracene
CAS:Fórmula:C14H11NPureza:>98.0%(GC)(T)Forma y color:Light yellow to Brown to Dark green powder to crystalPeso molecular:193.251-Adamantyl Isothiocyanate
CAS:Fórmula:C11H15NSPureza:min. 98.0 %(GC)Forma y color:White to Orange to Green powder to crystalPeso molecular:193.319-Bromoanthracene
CAS:Fórmula:C14H9BrPureza:>95.0%(GC)Forma y color:Light yellow to Amber to Dark green powder to crystalPeso molecular:257.13Heptadecylcyclohexane
CAS:Fórmula:C23H46Pureza:>97.0%(GC)Forma y color:White to Almost white powder to crystalPeso molecular:322.622,5-Di-tert-butyl-1,4-benzoquinone
CAS:Fórmula:C14H20O2Pureza:>98.0%(GC)Forma y color:White to Yellow to Orange powder to crystalPeso molecular:220.312-Chlorocinnamic Acid
CAS:Fórmula:C9H7ClO2Pureza:>98.0%(GC)(T)Forma y color:White to Almost white powder to crystalPeso molecular:182.60cis-4-Nitrostilbene
CAS:Fórmula:C14H11NO2Pureza:>97.0%(GC)Forma y color:Light yellow to Yellow to Green powder to crystalPeso molecular:225.25Ethyl 4-Fluorocinnamate
CAS:Fórmula:C11H11FO2Pureza:>98.0%(GC)Forma y color:White to Orange to Green powder to crystalPeso molecular:194.212-Bromoanthraquinone
CAS:Fórmula:C14H7BrO2Pureza:>96.0%(GC)Forma y color:Light yellow to Yellow to Orange powder to crystalPeso molecular:287.111-Adamantanamine Sulfate
CAS:Fórmula:C10H17NH2SO4Pureza:>98.0%(T)Forma y color:White to Light yellow powder to crystalPeso molecular:200.29Hexadecylcyclohexane
CAS:Fórmula:C22H44Pureza:>97.0%(GC)Forma y color:White or Colorless to Light yellow powder to lump to clear liquidPeso molecular:308.59Adamantane
CAS:Fórmula:C10H16Pureza:>99.0%(GC)Forma y color:White to Almost white powder to crystalPeso molecular:136.24Pentafluorobenzyl p-Toluenesulfonate [Derivatizing Reagent for GC of Inorganic Anions]
CAS:Fórmula:C14H9F5O3SPureza:>98.0%(T)Forma y color:White to Almost white powder to crystalPeso molecular:352.281-Adamantanemethylamine
CAS:Fórmula:C11H19NPureza:>98.0%(T)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:165.283-(Hydroxymethyl)-1-adamantanol
CAS:Fórmula:C11H18O2Pureza:>98.0%(GC)Forma y color:White to Almost white powder to crystalPeso molecular:182.26Fenhexamid
CAS:Fórmula:C14H17Cl2NO2Pureza:>98.0%(HPLC)Forma y color:White to Light yellow powder to crystalPeso molecular:302.204-Nitrocinnamic Acid
CAS:Fórmula:C9H7NO4Pureza:>99.0%(T)Forma y color:White to Orange to Green powder to crystalPeso molecular:193.163-Benzylrhodanine
CAS:Fórmula:C10H9NOS2Pureza:>98.0%(GC)Forma y color:Light yellow to Brown powder to crystalPeso molecular:223.311,3-Diisopropylbenzene
CAS:Fórmula:C12H18Pureza:>85.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:162.28Chirabite-AR
CAS:Fórmula:C42H29N7O8Forma y color:Light orange to Yellow to Green powder to crystalPeso molecular:759.741-Bromoadamantane
CAS:Fórmula:C10H15BrPureza:>99.0%(GC)Forma y color:White to Almost white powder to lumpPeso molecular:215.13Methyl Yellow
CAS:Fórmula:C14H15N3Pureza:>98.0%(T)(HPLC)Forma y color:Orange to Brown powder to crystalPeso molecular:225.304-Amino-4'-methoxystilbene
CAS:Fórmula:C15H15NOPureza:>97.0%(GC)(T)Forma y color:Light yellow to Yellow to Orange powder to crystalPeso molecular:225.292,3-Dimethoxy-5-methyl-1,4-benzoquinone
CAS:Fórmula:C9H10O4Pureza:>97.0%(T)Forma y color:Orange to Amber to Dark red powder to crystalPeso molecular:182.18α-Acetamidocinnamic Acid
CAS:Fórmula:C11H11NO3Pureza:>98.0%(T)(HPLC)Forma y color:White to Orange to Green powder to crystalPeso molecular:205.21(R)-6,6'-Dibromo-2,2'-bis(methoxymethoxy)-1,1'-binaphthyl
CAS:Fórmula:C24H20Br2O4Pureza:>98.0%(HPLC)(qNMR)Forma y color:White to Almost white powder to crystalPeso molecular:532.2310-Bromo-10'-(2-naphthyl)-9,9'-bianthracene
CAS:Fórmula:C38H23BrPureza:>98.0%(T)(HPLC)Forma y color:White to Yellow to Green powder to crystalPeso molecular:559.511-Phenyl-1-propyne
CAS:Fórmula:C9H8Pureza:>97.0%(GC)Forma y color:Colorless to Light orange to Yellow clear liquidPeso molecular:116.16(11bS)-2,6-Bis[bis[3,5-bis(trifluoromethyl)phenyl]hydroxymethyl]-3,5-dihydrospiro[4H-dinaphth[2,1-c:1',2'-e]azepine-4,4'-morpholinium] Bromide
CAS:Fórmula:C60H36BrF24NO3Pureza:>97.0%(HPLC)Forma y color:White to Light yellow powder to crystalPeso molecular:1,354.82(S)-(+)-6,6'-Dibromo-1,1'-bi-2-naphthol
CAS:Fórmula:C20H12Br2O2Pureza:>98.0%(HPLC)Forma y color:White to Light yellow to Light orange powder to crystalPeso molecular:444.12D-α-Tocopherylquinone
CAS:Fórmula:C29H50O3Pureza:>97.0%(HPLC)Forma y color:Colorless to Brown clear liquidPeso molecular:446.72trans,trans-1,4-Distyrylbenzene
CAS:Fórmula:C22H18Pureza:>98.0%(GC)Forma y color:White to Light yellow to Green powder to crystalPeso molecular:282.39(S)-3-[1-(4-Methoxybenzenesulfonyl)-(4S,5S)-4,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl]-1,1'-binaphthalene-2,2'-diyl Hydrogen Phosphate
CAS:Fórmula:C42H31N2O7PSPureza:>96.0%(HPLC)Forma y color:White to Yellow to Green powder to crystalPeso molecular:738.751-Ethyl-4-isopropylbenzene
CAS:Fórmula:C11H16Pureza:>98.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:148.254-Isopropyl-4'-methyldiphenyliodonium Tetrakis(pentafluorophenyl)borate
CAS:Fórmula:C40H18BF20IPureza:>98.0%(T)Forma y color:White to Almost white powder to crystalPeso molecular:1,016.279,10-Di(2-naphthyl)anthracene (purified by sublimation)
CAS:Fórmula:C34H22Pureza:>99.0%(HPLC)Forma y color:White to Orange to Green powder to crystalPeso molecular:430.551,3-Dimethyladamantane
CAS:Fórmula:C12H20Pureza:>99.0%(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:164.29(R)-(+)-2-Amino-2'-hydroxy-1,1'-binaphthyl
CAS:Fórmula:C20H15NOPureza:>98.0%(HPLC)Forma y color:White - Yellow Solid FormPeso molecular:285.35Dodecylbenzene (hard type) (mixture of branched chain isomers)
CAS:Fórmula:C18H30Pureza:multi component mixture(GC)Forma y color:Colorless to Almost colorless clear liquidPeso molecular:246.44trans-2-Methoxycinnamic Acid
CAS:Fórmula:C10H10O3Pureza:>99.0%(T)Forma y color:White to Light yellow to Light orange powder to crystalPeso molecular:178.19Ethyl (11bR)-4-Amino-2,6-bis(3,5-di-tert-butylphenyl)-4,5-dihydro-3H-cyclohepta[1,2-a:7,6-a']dinaphthalene-4-carboxylate
CAS:Fórmula:C54H63NO2Pureza:>97.0%(HPLC)Forma y color:White to Almost white powder to crystalPeso molecular:758.104,4,5,5-Tetramethyl-2-[4-(10-phenylanthracen-9-yl)phenyl]-1,3,2-dioxaborolane
CAS:Fórmula:C32H29BO2Pureza:>95.0%(T)(HPLC)Forma y color:White to Orange to Green powder to crystalPeso molecular:456.39
![Ru(OAc)2[(R)-binap]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FR0166.webp&w=3840&q=75)
![Ru(OAc)2[(S)-tolbinap]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FR0169.webp&w=3840&q=75)
![[RuCl(p-cymene)((R)-binap)]Cl](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FR0146.webp&w=3840&q=75)
![Cyclopenta[fg]tetracene-1,2-dione](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FC2669.webp&w=3840&q=75)
![(S)-[4-(Pyridin-4-yl)-4,5-dihydro-3H-dinaphtho[2,1-c:1',2'-e]azepine-2,6-diyl]bis[bis[4-(tert-buty…](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FP2380.webp&w=3840&q=75)
![4,4,5,5-Tetramethyl-2-[10-(1-naphthyl)anthracen-9-yl]-1,3,2-dioxaborolane](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FT3306.webp&w=3840&q=75)
![1,1'-Iminodianthraquinone [for Determination of Boron]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FD0133.webp&w=3840&q=75)
![Pentafluorobenzyl p-Toluenesulfonate [Derivatizing Reagent for GC of Inorganic Anions]](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FT1204.webp&w=3840&q=75)
![(11bS)-2,6-Bis[bis[3,5-bis(trifluoromethyl)phenyl]hydroxymethyl]-3,5-dihydrospiro[4H-dinaphth[2,1-…](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FB3970.webp&w=3840&q=75)
![(S)-3-[1-(4-Methoxybenzenesulfonyl)-(4S,5S)-4,5-diphenyl-4,5-dihydro-1H-imidazol-2-yl]-1,1'-binaph…](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FM2765.webp&w=3840&q=75)
![Ethyl (11bR)-4-Amino-2,6-bis(3,5-di-tert-butylphenyl)-4,5-dihydro-3H-cyclohepta[1,2-a:7,6-a']dinap…](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FE1267.webp&w=3840&q=75)
![4,4,5,5-Tetramethyl-2-[4-(10-phenylanthracen-9-yl)phenyl]-1,3,2-dioxaborolane](/_next/image/?url=https%3A%2Fstatic.cymitquimica.com%2Fproducts%2F3B%2Fthumb-webp%2FT3276.webp&w=3840&q=75)