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Cas:137-30-4
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
Cas:137-30-4
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inquiryhigh quality Appearance:White or off white powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica
Cas:137-30-4
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137-30-4 1.High quality 2.ISOP cetification 3.Purity:99% 4.Apperance:coloeless liquid Appearance:conform Storage:conform Package:according to the requirement of customer Application:137-30-4 Transportation:by air Port:Any port of China
Cas:137-30-4
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inquiryMolecular Formula: C6H12N2S4Zn1 St
We are leading fine chemicals supplier in China and Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediat
Cas:137-30-4
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inquirysuperior quality Appearance:Odorless white powder. Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Zinc Dimethyldithiocarbamate is a member of a c
Cas:137-30-4
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:137-30-4
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inquiryBest quality/price/service Professional manufacturing FAO Standards Appearance:white powder Package:Solid:50g,100g,200g,250g,400g,500g,1kg,10kg bag ,20kg, 25kg,40kg bag,50kg,600kg, 900kg; Aluminum Foil Bag,plastic bag, fiber bag, fiber drum,wa
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
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inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:137-30-4
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Zinc DimethyldithiocarbamateAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
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inquiryJinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Cas:137-30-4
Min.Order:100 Gram
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inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:137-30-4
Min.Order:1 Kilogram
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:137-30-4
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Xiamen Luyunjia Trading Co.,Ltd Package:1kg/bag; 5373kg/drum, or as customer's request. Application:Xiamen Luyunjia Trading Co.,Ltd Transportation:DHL, EMS, FedEx, TNT, AIR, SEA Port:Beijing,Shanghai,Guangzhou ,China main port
Cas:137-30-4
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inquiryZinc dimethyldithiocarbamate cas 137-30-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China
bulk?production Application:Pharmaceutical intermediates
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inquiryConditions | Yield |
---|---|
In acetonitrile Electrolysis; 4 h, initial voltage 10 V, Zn anode; product was collected, washed with acetonitrile and then petroleum ether and dried in vacuo; elem. anal.; | >99 |
zinc(II) chloride
sodium dimethyldithiocarbamate
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
Conditions | Yield |
---|---|
In water byproducts: NaCl; ZnCl2, the thiocarbamate in water, immediately pptn.; filtered hot to remove NaCl and any excess of unreacted thiocarbamate, dried (vac. at 80°C), recrystn. (boiling benzene); | |
In ethanol ZnCl2 is dissolved in the minimum quantity of ethanol; addn. of a saturated ethanolic soln. of organic compound.; pptn., filtn., washing (ethanol); | |
In water |
carbon disulfide
dimethyl amine
zinc(II) chloride
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
Conditions | Yield |
---|---|
In acetone direct reaction of ZnCl2 with dimethylamine and carbon disulfide in acetone; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetra(n-butyl)ammonium benzoxazole-2-thiolate
Conditions | Yield |
---|---|
In acetone refluxed for 2 h; cooled, filtered, light petroleum added, crystals filtered off, washed with light petroleum, air dried; elem anal.; | 100% |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetra(n-butyl)ammonium benzothiazole-2-thiolate
tetra-n-butylammonium (benzothiazole-2-thiolato)bis(dimethyldithiocarbamato)zincate
Conditions | Yield |
---|---|
In acetone refluxed for 1 h; soln. filtered, filtrate partialy evapd., crystals filtered off, recrystd. from ethanol-light petroleum; elem anal.; | 100% |
Conditions | Yield |
---|---|
In toluene Zn-complex dissolved in toluene, ligand added, refluxed for 18 h, cooledto room temp.; filtered, evapd. to dryness, washed with Et2O; elem. anal.; | 82% |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
(S)-(-)-ethyl mandelate
Conditions | Yield |
---|---|
With triphenylphosphine; diethylazodicarboxylate In toluene at 2 - 20℃; for 17h; | 81% |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
{(CH3CH2CH2CH2)4N}(1+)*{S2COC2H5}(1-)={(CH3CH2CH2CH2)4N}{S2COC2H5}
Conditions | Yield |
---|---|
In acetone addn. of solid (Zn(S2CNMe2)2) in small portions to a soln. of (N-n-Bu4)(S2COEt) in acetone (room temp.), stirring (2 h); filtration, addn. of light petroleum (b.p. 60-80°C), refrigeration (0°C, 2 d), crystn., suction filtration in air, drying, recrystn. (light petroleum/acetone (1:1), room temp.); elem. anal.; | 80% |
2-ethyl-4,5-dihydrooxazole
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
Conditions | Yield |
---|---|
In toluene Zn-complex dissolved in toluene, ligand added, refluxed for 23 h, cooledto room temp.; filtered, evapd., digested in CH2Cl2, filtered, evapd. to dryness; elem.anal.; | 40% |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
3-chloro-benzenecarboperoxoic acid
Zn(N,N-dimethyldithiocarbamato)(O-dmDTC)
Conditions | Yield |
---|---|
In chloroform; acetonitrile a soln. of ClC6H4CO3H in CHCl3/MeCN added dropwise to a soln. of Zn complex in CHCl3 at 4°C, stirred for 10-12 h; evapd. (vac.), washed (cold MeCN); elem. anal.; | 34% |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetrabutylammonium decanoate
B
zinc(II) decanoate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
Heptanoatetetrabutyl-ammonium;
B
zinc(II) heptanoate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
2.9-dimethyl-1,10-phenanthroline
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
Zn(S2CNMe2)2(DMP)
Conditions | Yield |
---|---|
In methanol; dichloromethane addn. of hot soln. of amine in MeOH to hot soln. of dithiocarbamate in CH2Cl2; cooling, addn. to petroleum ether, pptn., filtration, recrystn. (CHCl3); elem. anal.; |
[2,2]bipyridinyl
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
Zn(S2CNMe2)2(bipy)
Conditions | Yield |
---|---|
In methanol; dichloromethane addn. of hot soln. of amine in MeOH to hot soln. of dithiocarbamate in CH2Cl2; cooling, addn. to petroleum ether, pptn., filtration, recrystn. (CH2Cl2); elem. anal.; |
1,10-Phenanthroline
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
Zn(S2CNMe2)2(phen)
Conditions | Yield |
---|---|
In methanol; dichloromethane addn. of hot soln. of amine in MeOH to hot soln. of dithiocarbamate in CH2Cl2; cooling, addn. to petroleum ether, pptn., filtration, recrystn. (MeOH); elem. anal.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
3,4,7,8-Tetramethyl-o-phenanthrolin
Zn(S2CNMe2)2(TMP)
Conditions | Yield |
---|---|
In methanol; dichloromethane addn. of hot soln. of amine in MeOH to hot soln. of dithiocarbamate in CH2Cl2; cooling, addn. to petroleum ether, pptn., filtration, recrystn. (CHCl3); elem. anal.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
B
zinc bis(n-hexanoate)
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetrabutylammonium pelargonate
B
zinc(II) nonanoate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetrabutylammonium stearate
B
zinc stearate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
bis(N,N'-di-n-butyldithiocarbamato)zinc(II)
Conditions | Yield |
---|---|
byproducts: [NMe4][S2CNMe2]; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
N(CH3)4(1+)*S2CN(C6H11)2(1-)=[N(CH3)4][S2CN(C6H11)2]
Zn((C6H11)2NCS2)2
Conditions | Yield |
---|---|
byproducts: [NMe4][S2CNMe2]; |
Conditions | Yield |
---|---|
In chloroform addn. of 2 equiv. of tme-Br to chloroform suspn. of Zn(dmtc)2 with stirring (5 min); evapn. of solvent; elem. anal.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
1-bromo-2,3-dimethyl-2-butene
ZnBr2((2,3-dimethyl-2-butenyl)(dimethyldithiocarbamyl))
Conditions | Yield |
---|---|
In tetrahydrofuran heating Zn(dmtc)2 and tme-Br in THF to 140°C with stirring (1 h); cooling to room temp., removal of solvent and excess of tme-Br under reduced pressure; detn. by (1)H and (13)C-NMR spectroscopy; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
N(CH3)4(1+)*Zn(S2CN(CH3)2)2(OCOCH3)(1-)=[N(CH3)4][Zn(S2CN(CH3)2)2(OCOCH3)]
Conditions | Yield |
---|---|
With acetic acid In acetone (NMe4)OH acetic acid in acetone evapd. to dryness, then added Zn(S2CNMe2)2, then refluxed for 2 h; cooled, filtered, filtrate dried over MgSO4, light petroleum added, precipitated crystals filtered off, washed with light petroleum, dried in vac., elem anal.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
propionic acid
tetramethylammonium bis(dimethyldithiocarbamato)propionatozincate
Conditions | Yield |
---|---|
In acetone (NMe4)OH propionic acid in acetone evapd. to dryness, then added Zn(S2CNMe2)2, then refluxed for 2 h; cooled, filtered, filtrate dried over MgSO4, light petroleum added, precipitated crystals filtered off, washed with light petroleum, dried in vac., elem anal.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
butyric acid
N(CH3)4(1+)*Zn(S2CN(CH3)2)2(OCOCH2CH2CH3)(1-)=[N(CH3)4][Zn(S2CN(CH3)2)2(OCOCH2CH2CH3)]
Conditions | Yield |
---|---|
In acetone (NMe4)OH butiric acid in acetone evapd. to dryness, then added Zn(S2CNMe2)2, then refluxed for 2 h; cooled, filtered, filtrate dried over MgSO4, light petroleum added, precipitated crystals filtered off, washed with light petroleum, dried in vac., elem anal.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
valeric acid
N(CH3)4(1+)*Zn(S2CN(CH3)2)2(OCOCH2CH2CH2CH3)(1-)=[N(CH3)4][Zn(S2CN(CH3)2)2(OCOCH2CH2CH2CH3)]
Conditions | Yield |
---|---|
In acetone (NMe4)OH pentanonic acid in acetone evapd. to dryness, then added Zn(S2CNMe2)2, then refluxed for 2 h; cooled, filtered, filtrate dried over MgSO4, light petroleum added, precipitated crystals filtered off, washed with light petroleum, dried in vac.; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetramethyl ammonium stearate
A
N(CH3)4(1+)*Zn(S2CN(CH3)2)3(1-)=[N(CH3)4][Zn(S2CN(CH3)2)3]
B
zinc stearate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
bis(dimethylcarbamodithioato-κS,κS')zinc(II)
tetramethylammonium decanoate
A
N(CH3)4(1+)*Zn(S2CN(CH3)2)3(1-)=[N(CH3)4][Zn(S2CN(CH3)2)3]
B
zinc(II) decanoate
Conditions | Yield |
---|---|
In acetone reflux 2 h; |
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