Phenyl vinyl sulfone supplier

Name
Phenyl vinyl sulfone
EINECS 226-890-2
CAS No. 5535-48-8
Article Data97
CAS DataBase
Density 1.177 g/cm³
Solubility
Melting Point 67-69 °C(lit.)
Formula C₈H₈O₂S
Boiling Point 314.4 °C at 760 mmHg
Molecular Weight 168.216
Flash Point 178.6 °C
Transport Information
Appearance off-white or tan powder
Safety 26-36/37/39-37/39
Risk Codes 36/37/38-43
Molecular Structure
Hazard Symbols Xi
Synonyms (Vinylsulfonyl)benzene;Sulfone, phenyl vinyl;URI 744;PHENYL VINYL SULPHONE;PHENYLVINYLSULTONE;PHENYL VINYL SULFONE;VINYL PHENYL SULFONE;Eletriptan intermediate 1
PSA 42.52000
LogP 2.68460

Synthetic route

: 938-09-0
2-chloroethyl phenyl sulfone

: 5535-48-8
PVS

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20 - 24℃; for 20h;	100%
With benzylamine In acetonitrile at 25℃; for 0.525h; Rate constant; different amines, amine concentrations and reaction times;
With sodium hydroxide

: 1822-73-7
phenylthioethylene

: 5535-48-8
PVS

Conditions

Conditions	Yield
With C4H9N2O9W In methanol; water at 20℃; for 4h; chemoselective reaction;	99%
With selenium(IV) oxide; dihydrogen peroxide In water; ethyl acetate chemoselective reaction;	99%
With dihydrogen peroxide In water at 80℃; for 7.33333h; Catalytic behavior; Reagent/catalyst; Green chemistry;	98%

: 20451-53-0
Phenyl vinyl sulfoxide

: 5535-48-8
PVS

Conditions

Conditions	Yield
With dihydrogen peroxide; [(η5-C5Me5)Mo(CO)3Cl] In acetonitrile at -20 - 20℃; for 4h;	98%
With dihydrogen peroxide In water; acetic acid at 20℃; for 12h;	97%
With n-C4F9; perfluoro-cis-2,3-dialkyloxaziridine; n-C3F7 In chloroform; trichlorofluoromethane at -20℃; for 0.25h;	90%
With dihydrogen peroxide In acetic acid Ambient temperature; Yield given;

: 20611-21-6
2-(phenylsulfonyl)ethanol

: 5535-48-8
PVS

Conditions

Conditions	Yield
With methanesulfonyl chloride; triethylamine In dichloromethane at 20℃; for 6h; Dehydration;	95%
Multi-step reaction with 2 steps 1: 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; DMAP / CH2Cl2 / 12 h / 20 °C 2: aq. NaHCO3 / acetone / 12 h / 20 °C View Scheme
Multi-step reaction with 2 steps 1: 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride; DMAP / CH2Cl2 / 12 h / 20 °C 2: aq. NaHCO3 / acetone / 12 h / 20 °C View Scheme
With sulfuric acid Behandeln des Reaktionsgemisches mit Wasser und mit wss. Natronlauge;

: 65211-25-8
(1,2-dibromo-ethyl)-phenyl sulfone

: 5535-48-8
PVS

Conditions

Conditions	Yield
With triphenylphosphine In methanol at 25℃;	92%
With triphenylphosphine In methanol at 25℃; Rate constant;	92%

: 963-15-5
(Z)-1,2-bis(phenylsulfonyl)ethene

: 5535-48-8
PVS

Conditions

Conditions	Yield
With tri-n-butyl-tin hydride In dichloromethane for 0.0833333h; Ambient temperature;	90%
With PtCl2Styr2; diphenylsilane In chloroform for 4h; Heating;	15%

: 50-00-0
formaldehyd

: 17872-92-3
(phenylsulfonylmethyl)trimethylsilane

: 5535-48-8
PVS

Conditions

Conditions	Yield
With n-butyllithium In tetrahydrofuran	87%
With n-butyllithium 1.) hexane, THF, 0 deg C, 0.5 h, 2.) hexane, THF, room temperature; Yield given. Multistep reaction;

: 31469-08-6
ethane-1,2-disulfonyl chloride

: 100-58-3
phenylmagnesium bromide

: 5535-48-8
PVS

Conditions

Conditions	Yield
In tetrahydrofuran for 0.25h; Cooling with ice; stereospecific reaction;	85%

: (1-Bromo-2-methoxy-ethanesulfonyl)-benzene

A: 5535-48-8
PVS

B: 25062-93-5
phenyl 2-methoxyethyl sulfone

Conditions

Conditions	Yield
With methanol; triphenylphosphine at 25℃;	A n/a B 82%
With methanol; triphenylphosphine at 25℃; Rate constant; Thermodynamic data; ΔH(excit.), ΔS(excit.);	A n/a B 82%

: C14H13BrO4S2

A: 599-94-0
1,2-bis(phenylsulfonyl)ethane

B: 5535-48-8
PVS

Conditions

Conditions	Yield
With methanol; triphenylphosphine at 25℃;	A 80% B n/a
With methanol; triphenylphosphine at 25℃; Rate constant; Thermodynamic data; ΔH(excit.), ΔS(excit.);	A 80% B n/a

: 38009-93-7
α-bromoethyl phenyl sulfone

A: 5535-48-8
PVS

B: 599-70-2
ethyl phenyl sulfone

Conditions

Conditions	Yield
With methanol; triphenylphosphine at 25℃;	A n/a B 78%
With methanol; triphenylphosphine at 25℃; Rate constant; Thermodynamic data; other β-substituted α-bromosulfones; ΔH(excit.), ΔS(excit.);	A n/a B 78%

: 873-55-2
sodium benzenesulfonate

: 106-93-4
ethylene dibromide

: 5535-48-8
PVS

Conditions

Conditions	Yield
In N,N-dimethyl-formamide at 80℃; for 24h;	78%
In N,N-dimethyl-formamide at 80℃; Inert atmosphere;	50%
In N,N-dimethyl-formamide at 80℃; Inert atmosphere;	50%

: 1826-67-1
vinyl magnesium bromide

: 98-09-9
benzenesulfonyl chloride

: 5535-48-8
PVS

Conditions

Conditions	Yield
In tetrahydrofuran at 0 - 20℃;	76%

: 873-55-2
sodium benzenesulfonate

: 74-86-2
acetylene

: 5535-48-8
PVS

Conditions

Conditions	Yield
With palladium dichloride In dimethyl sulfoxide at 50℃; for 8h; chemoselective reaction;	71%

: 873-55-2
sodium benzenesulfonate

: 540-51-2
2-bromoethanol

: 5535-48-8
PVS

Conditions

Conditions	Yield
Stage #1: sodium benzenesulfonate; 2-bromoethanol In N,N-dimethyl-formamide at 80℃; Inert atmosphere; Stage #2: With methanesulfonyl chloride; triethylamine In dichloromethane at 20℃; Inert atmosphere; Schlenk technique;	70%

: 74-85-1
ethene

: 80-17-1
benzenesufonyl hydrazide

: 5535-48-8
PVS

Conditions

Conditions	Yield
With oxygen; copper(l) chloride; lithium bromide In dimethyl sulfoxide at 100℃; under 760.051 Torr; for 12h; Schlenk technique; stereoselective reaction;	67%

: 1822-73-7
phenylthioethylene

A: 5535-48-8
PVS

B: 20451-53-0
Phenyl vinyl sulfoxide

Conditions

Conditions	Yield
With C36H27CuN8O2; dihydrogen peroxide In methanol; dichloromethane at 0℃; for 10h;	A 52% B 25%
With dihydrogen peroxide; titanium(IV) isopropylate; L-Tartaric acid; silica gel In methanol; water at 25℃; for 24h; Title compound not separated from byproducts;	A 3% B 94 % Spectr.
With dihydrogen peroxide; Mg-Al-LDH-WO4 at 20℃; for 3h;

: 20611-21-6
2-(phenylsulfonyl)ethanol

A: 938-09-0
2-chloroethyl phenyl sulfone

B: 5535-48-8
PVS

Conditions

Conditions	Yield
With pyridine; thionyl chloride; sodium hydrogencarbonate In toluene	A n/a B 0.7%

: 938-09-0
2-chloroethyl phenyl sulfone

: 121-44-8
triethylamine

: 5535-48-8
PVS

Conditions

Conditions	Yield
With benzene

: 74-85-1
ethene

: 873-55-2
sodium benzenesulfonate

: 5535-48-8
PVS

Conditions

Conditions	Yield
Yield given. Multistep reaction;

: 13133-62-5
thiophenolate

: 141-52-6
sodium ethanolate

: (2-Isocyano-ethanesulfonyl)-benzene

A: 57-12-5
cyanide(1-)

B: 5535-48-8
PVS

C: 28525-26-0
2-ethoxyethyl phenyl sulphone

D: 3126-28-1
(2-Isocyano-ethylsulfanyl)-benzene

Conditions

Conditions	Yield
Rate constant; Product distribution; multistep reaction, 1.) ethanol, 25 deg C; 2.) ethanol;

...Expand

: S-<2-(Phenylsulfonyl)ethyl>cystein-methylester

A: 2485-62-3
L-Cysteine methyl ester

B: 5535-48-8
PVS

Conditions

Conditions	Yield
With sodium hydroxide for 10h; Ambient temperature; other concentration of NaOH, reaction velocity;

: 95588-67-3
S-<2-(4-Ethoxycarbonylphenylsulfonyl)ethyl>cystein-methylester

A: 2485-62-3
L-Cysteine methyl ester

B: 5535-48-8
PVS

Conditions

Conditions	Yield
With sodium hydroxide Ambient temperature; reaction times, various conc. of NaOH;

: 86124-83-6
N-Acetyl-S-<2-(4-ethoxycarbonylphenylsulfonyl)ethyl>cystein

A: 616-91-1
N-acetylcystein

B: 5535-48-8
PVS

Conditions

Conditions	Yield
With sodium hydroxide Ambient temperature; reaction times, various conc. of NaOH, add. of N-Acetyl-S-<2-(phenylsulfonyl)ethyl>-cystein;

: S-<2-(Phenylsulfonyl)ethyl>glutathion

A: 70-18-8
GLUTATHIONE

B: 5535-48-8
PVS

Conditions

Conditions	Yield
With sodium hydroxide for 0.5h; Ambient temperature; other concentration of NaOH, reaction velocity;

: 86124-78-9
N-(Benzyloxycarbonyl)glycyl-S-<2-(phenylsulfonyl)ethyl>cystein-methylester

A: 5535-48-8
PVS

B: 95920-19-7
N-(Benzyloxycarbonyl)glycyl-cystein-methylester

Conditions

Conditions	Yield
With sodium hydroxide for 1.75h; Ambient temperature; reaction velocity;

: 107-04-0
1-Bromo-2-chloroethane

: 618-41-7
Benzenesulfinic acid

: 5535-48-8
PVS

Conditions

Conditions	Yield
With triethylamine 1.) ethanol, reflux, 3 d; 2.) dichloromethane, ethanol, reflux; Yield given. Multistep reaction;

: N-(Cbo-Gylicyl)-S-(phenylsulfonylethyl)-cysteinmethylester

A: 5535-48-8
PVS

B: N-Cbo-Glycyl-cysteinmethylester

Conditions

Conditions	Yield
With sodium hydroxide In methanol for 1.75h; Product distribution; Ambient temperature;

: S-(Phenylsulfonylethyl)-cysteinmethylesterhydrochlorid

A: 5535-48-8
PVS

B: 5714-80-7, 18598-63-5, 70361-61-4
cysteine methyl ester hydrochloride

Conditions

Conditions	Yield
With sodium hydroxide; triethylamine In methanol for 10h; Product distribution; Ambient temperature;

: 288-32-4
1H-imidazole

: 5535-48-8
PVS

: 1-(2-(phenylsulfonyl)ethyl)-1H-imidazole

Conditions

Conditions	Yield
In acetonitrile for 2h; Ambient temperature;	100%
Stage #1: 1H-imidazole With o-phenylenebis(diphenylphosphine); potassium tert-butylate; copper(l) chloride In toluene for 0.166667h; Michael Addition; Inert atmosphere; Stage #2: PVS In toluene at 22℃; for 3h; Michael Addition; Inert atmosphere;	99%

: 930-88-1
N-methylmaleimide

: 100-64-1
Cyclohexanone oxime

: 5535-48-8
PVS

: 135583-71-0
2,2-spiropentamethylene-3-(2'-phenylsulphonylethyl)-7-methyl-3,7-diaza-4-oxabicyclo<3.3.0>octane-6,8-dione

Conditions

Conditions	Yield
In [D3]acetonitrile for 720h; Ambient temperature;	100%

...Expand

: 5535-48-8
PVS

: 91233-19-1
1-(adamantane-1-carbonyloxy)pyridine-2(1H)-thione

: 103698-35-7
2-(1-adamantyl)-1-phenylsulphonyl-1-(pyridine-2-thiyl)ethane

Conditions

Conditions	Yield
In dichloromethane; benzene for 0.166667h; Mechanism; Ambient temperature; Irradiation; easy formation of a carbon-carbon bond by simply incorporating activated olefin into the system (further activated olefins gave similar products);	100%
In dichloromethane; benzene for 0.166667h; Ambient temperature; Irradiation; during work up excess monomer was destroyed by hydrazine;	100%

: 5535-48-8
PVS

: 79077-49-9
diacetone acrylamide oxime

: 135386-59-3
2-(2-phenylsulphonylethyl)-1,8,8-trimethyl-6-oxo-2,7-diaza-3-oxabicyclo<4.3.0>nonane

Conditions

Conditions	Yield
In xylene for 16h; Heating;	100%
In xylene at 140℃; Yield given;

: 5535-48-8
PVS

: 2-Thioxo-2H-pyridine-1-carboxylic acid adamantan-1-yl ester

: 103698-35-7
2-(1-adamantyl)-1-phenylsulphonyl-1-(pyridine-2-thiyl)ethane

Conditions

Conditions	Yield
In dichloromethane; benzene at 20 - 25℃; for 0.166667h; Irradiation;	100%

: 5535-48-8
PVS

: 75-64-9
tert-butylamine

: 16191-98-3
2-methyl-N-[2-(phenylsulfonyl)ethyl]propan-2-amine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%
In ethanol at 20℃; Cooling with ice;	81%

: 626-62-0
1-iodocyclohexane

: 5535-48-8
PVS

: 126002-58-2
((2-cyclohexylethyl)sulfonyl)benzene

Conditions

Conditions	Yield
With water; sodium chloride In acetonitrile pH=2; Electrochemical reaction; Green chemistry;	100%
With N-ethylpiperidine hypophosphite; triethyl borane; oxygen In 1,4-dioxane at 20℃; for 1h;	98%
With cetyltrimethylammonim bromide; 4,4'-dicyano-4,4'-azo-di-valeric acid; N-ethylpiperidinium hypophosphite In 1,4-dioxane; water at 100℃; for 0.5h;	94%
With (CH3)3N(+)(CH2)15CH3*H2PO2(-); 4,4'-dicyano-4,4'-azo-di-valeric acid In water at 100℃; for 1h;	89%
With tert-butylisonitrile; diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate; triethylamine; lithium chloride; palladium dichloride In benzene for 16h; Giese Free Radical Synthesis; Irradiation; Inert atmosphere;	88%

: 75-30-9
2-iodo-propane

: 5535-48-8
PVS

: 52075-20-4
1-phenylsulphonyl-3-methyl butane

Conditions

Conditions	Yield
With hydrogenchloride; water; sodium chloride In acetonitrile for 20h; pH=2; Solvent; pH-value; Electrochemical reaction; Green chemistry;	100%
With 2,2'-azobis(isobutyronitrile); tert-butyl(2,6-dimethoxy-1-methylcyclohexa-2,5-dien-1-yl)dimethylsilane In hexane for 14h; Giese-type addition; Heating;	89%
With indium In methanol; water at 20℃; for 0.5h;	86%

: 5535-48-8
PVS

: 375349-06-7
tert-butyl 2,3-dihydro-1-oxo-1H-indene-2-carboxylate

: C22H24O5S

Conditions

Conditions	Yield
With quinidine 9-O-(9'-phenanthryl)ether In toluene at 20℃; for 36h; Michael addition; optical yield given as %ee; enantioselective reaction;	100%

: 5535-48-8
PVS

: 15570-12-4
3-methoxybenzenethiol

: 1308834-07-2
2-[(3-methoxyphenyl)sulfanyl]ethyl phenyl sulfone

Conditions

Conditions	Yield
With potassium carbonate In dichloromethane at 20℃; for 20h; Inert atmosphere;	100%

pyrrolidine: pyrrolidine

: 5535-48-8
PVS

: 649760-40-7
1-[2-(phenylsulfonyl)ethyl]pyrrolidine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 5535-48-8
PVS

: 142-25-6
N,N',N'-trimethylenediamine

: 1496553-60-6
N1,N1,N2-trimethyl-N2-[2-(phenylsulfonyl)ethyl]-1,2-ethanediamine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 110-91-8
morpholine

: 5535-48-8
PVS

: 41821-25-4
4-[2-(phenylsulfonyl)ethyl]morpholine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 513-49-5
(S)-2-aminobutane

: 5535-48-8
PVS

: 1496553-62-8
(S)-N-[2-(phenylsulfonyl)ethyl]butan-2-amine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 13250-12-9
(R)-sec-butylamine

: 5535-48-8
PVS

: 1496553-61-7
(R)-N-[2-(phenylsulfonyl)ethyl]butan-2-amine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 107-10-8
propylamine

: 5535-48-8
PVS

: 1247689-43-5
N-[2-(phenylsulfonyl)ethyl]propan-1-amine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 123-90-0
Thiomorpholin

: 5535-48-8
PVS

: 882270-51-1
4-[2-(phenylsulfonyl)ethyl]thiomorpholine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 5535-48-8
PVS

: 75-31-0
isopropylamine

: 85052-84-2
N-[2-(phenylsulfonyl)ethyl]propan-2-amine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%
In ethanol at 0 - 20℃;	99%

: 5535-48-8
PVS

: 156-87-6
propan-1-ol-3-amine

: 1496553-63-9
3-[(2-(phenylsulfonyl)ethyl)amino]propan-1-ol

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 109-01-3
1-methyl-piperazine

: 5535-48-8
PVS

: 1281167-83-6
1-methyl-4-[2-(phenylsulfonyl)ethyl]piperazine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 5535-48-8
PVS

: 108-00-9
N,N-dimethylethylenediamine

: 121101-77-7
N1,N1-dimethyl-N2-[2-(phenylsulfonyl)ethyl]ethane-1,2-diamine

Conditions

Conditions	Yield
In dichloromethane at 20℃;	100%

: 5535-48-8
PVS

: 108-98-5
thiophenol

: 29290-71-9
2-(phenylsulfanyl)ethyl phenyl sulfone

Conditions

Conditions	Yield
With tetra(n-butyl)ammonium hydroxide In ethanol; water at 20℃; for 2h; Michael Addition; Green chemistry;	99%
triethylamine In tetrahydrofuran for 4.5h; Ambient temperature;	96%
With potassium carbonate In dichloromethane at 20℃; for 20h; Inert atmosphere;	92%
With 1,3-dicyclohexylimidazolium-2-carboxylate In tetrahydrofuran at 21℃; for 2h; Michael Addition;	90%

: 5535-48-8
PVS

: 62-53-3
aniline

: N-(2-benzenesulfonylethyl)phenyl amine

Conditions

Conditions	Yield
Stage #1: aniline With potassium tert-butylate; bis[2-(diphenylphosphino)phenyl] ether; copper(l) chloride In toluene for 0.166667h; Michael Addition; Inert atmosphere; Stage #2: PVS In toluene at 22℃; for 3h; Reagent/catalyst; Michael Addition; Inert atmosphere;	99%
acetic acid at 200℃; for 0.333333h; Michael addition; microwave irradiation;	96%
With acetic acid at 200℃; for 0.333333h; Microwave irradiation; Sealed vessel tube;	76%

: 16649-50-6
N-tert-Butylhydroxylamine

: 5535-48-8
PVS

: N-tert-Butyl-N-<2-(phenylsulfonyl)ethyl>hydroxylamin

Conditions

Conditions	Yield
In dichloromethane for 2h; Ambient temperature;	99%

: 5535-48-8
PVS

: 86531-05-7, 86531-33-1
1-methoxy-3-<(phenylthio)methyl>-1,3-butadiene

: 91228-32-9, 91228-33-0
C20H22O3S2

Conditions

Conditions	Yield
With hydroquinone In toluene at 110℃; for 48h;	99%

: 5535-48-8
PVS

: 80859-83-2
1-benzene

: 126002-57-1
(3r,5r,7r)-1-(2-(phenylsulfonyl)ethyl)adamantane

Conditions

Conditions	Yield
With cyclohexa-1,4-diene In dichloromethane at 30℃; for 0.25h; Irradiation;	99%
With cyclohexa-1,4-diene In dichloromethane at 30℃; for 3h; Irradiation;	93%

: 5535-48-8
PVS

: 211372-59-7
3-Adamantan-1-yl-4-tert-butyl-thiophene 1,1-dioxide

: 1-(2-tert-Butyl-phenyl)-adamantane

Conditions

Conditions	Yield
In 1,2-dichloro-benzene for 27.5h; Heating;	99%

Phenyl vinyl sulfone Specification

Phenyl vinyl sulfone(CAS NO.5535-48-8) is also named as (Vinylsulfonyl)benzene; (Vinylsulfonyl)benzol; Benzene, (ethenylsulfonyl)-; Ethenyl phenyl sulfone; Phenyl-vinylsulfon; Sulfone, phenyl vinyl; (Ethenylsulfonyl)benzene. Phenyl vinyl sulfone is off-white or tan powder. It has the Molecular Formula of C₈H₈O₂S and Molecular Weight of 168.21292. It belongs to the Product Categories of Pharmaceutical material and intermeidates; Sulfur Compounds (for Synthesis); Synthetic Organic Chemistry; Naphthyridine,Quinoline; Organic Building Blocks; Sulfones.

Physical properties about Phenyl vinyl sulfone are: (1)ACD/LogP: 1.126; (2)ACD/LogD (pH 5.5): 1.13; (3)ACD/LogD (pH 7.4): 1.13; (4)ACD/BCF (pH 5.5):4.22; (5)ACD/BCF (pH 7.4): 4.22; (6)ACD/KOC (pH 5.5): 97.58; (7)ACD/KOC (pH 7.4): 97.58; (8)#H bond acceptors: 2; (9)#Freely Rotating Bonds: 2; (10)Index of Refraction: 1.537 ; (11)Molar Refractivity: 44.597 cm³; (12)Molar Volume: 142.811 cm³ ; (13)Polarizability: 17.68 10-24cm³; (14)Surface Tension: 37.1389999389648 dyne/cm; (15)Density: 1.178 g/cm³; (16)Flash Point: 178.621 °C; (17)Enthalpy of Vaporization: 53.339 kJ/mol; (18)Boiling Point: 314.371 °C at 760 mmHg; (19)Vapour Pressure: 0.00100000004749745 mmHg at 25°C

When you are using this chemical, please be cautious about it as the following:
1. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice;
2. Wear suitable protective clothing, gloves and eye/face protection;
3. Wear suitable protective clothing and gloves;

You can still convert the following datas into molecular structure:
(1)InChI=1S/C8H8O2S/c1-2-11(9,10)8-6-4-3-5-7-8/h2-7H,1H2;
(2)InChIKey=UJTPZISIAWDGFF-UHFFFAOYSA-N;
(3)SmilesS(C=C)(=O)(=O)c1ccccc1

Product Name

Phenyl vinyl sulfone

Synthetic route

Phenyl vinyl sulfone Specification

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