Products

Refine

Country

Business Type

Certificate

Display

hangzhou verychem science and technology co.ltd

Product name: 2-Mercapto-5-methyl-1,3,4-thiadiazole Cas No: 29490-19-5 Assay: 99%min Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but fast growing c

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

5-methyl-3H-1,3,4-thiadiazole-2-thione CAS NO.29490-19-5

Cas:29490-19-5

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Sigma Biotechnology Co., Ltd.

1. We integrate research and development, production, and sales. A 1800 square meter research and development center,The company has conducted over 50 research and development and technical service projects annually, applied for more than 10 patents,

5-methyl-3H-1,3,4-thiadiazole-2-thione

Cas:29490-19-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Trading Company

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

2-Mercapto-5-methyl-1,3,4-thiadiazole Manufacturer/High quality/Best price/In stock

Cas:29490-19-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 2-Mercapto-5-Methyl-1,3,4-Thiadiazole supplier in China

Cas:29490-19-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product Name 2-Mercapto-5-methyl-1,3,4-thiadiazole CAS No. 29490-19-5 Appearance White crystalline powder Assay ≥99% Capacity 200mt/year Min.packi

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Gram

FOB Price: $6.0

Type:Lab/Research institutions

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Good quality 6-Methyleneandrost-4-ene-3,17-dione CAS 19457-55-7 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed addit

Good quality 6-Methyleneandrost-4-ene-3,17-dione CAS 19457-55-7

Cas:29490-19-5

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid 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

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 5-methyl-1,3,4-thiadiazole-2(3H)-thione

Cas:29490-19-5

Min.Order:1

Negotiable

Type:Other

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new ap

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

5-Mercapto-2-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:2-Mercapto-5-methyl-1,3,4-thiadiazole CAS NO: 29490-19-5 Grade:Medical scientific research and export Molecular formula:C3H4N2S2 Molecular weight:132.2073 Product Quality 12 years of chemical raw materials Mature operation of the indus

2-Mercapto-5-methyl-1,3,4-thiadiazole/cas:29490-19-5/Raw material spot

Cas:29490-19-5

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

2-Mercapto-5-methyl-1,3,4-thiadiazole CAS:29490-19-5

Cas:29490-19-5

Min.Order:1 Kilogram

FOB Price: $30.0 / 50.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Top Purity CAS 29490-19-5 with fast shipping

Cas:29490-19-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

CAS No.: 29490-19-5 Formula: C3H4N2S2 Molecular Weight: 132.21 Melting Point: 182-188ºC Boiling Point: 182.9ºC at 760 mm

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High q

2-Mercapto-5-Methyl-1, 3, 4-Thiadiazde CAS: 29490-19-5

Cas:29490-19-5

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2-Mercapto-5-methyl-1,3,4-thiadiazole 29490-19-5

Cas:29490-19-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Mercapto-5-methyl-1,3,4-thiadiazole CAS:29490-19-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high qu

2-Mercapto-5-methyl-1,3,4-thiadiazole CAS:29490-19-5

Cas:29490-19-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:29490-19-5

Cas:29490-19-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

FOB Price: $60.0 / 80.0

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Largest Factory Manufacturer sales 2-Mercapto-5-methyl-1,3,4-thiadiazole CAS 29490-19-5

Cas:29490-19-5

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

2-Mercapto-5-Methyl-1,3,4-Thiadiazole

Cas:29490-19-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We have s

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

2-MERCAPTO-5-METHYL-1,3,4-THIADIAZOLE

Cas:29490-19-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&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

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

2-Mercapto-5-methyl-1,3,4-thiadiazole

Cas:29490-19-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

C3H4N2S2*H3N

C3H4N2S2*H3N

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With hydrogenchloride In water at 30 - 35℃; for 0.5h; pH=4 - 4.5;99.9%
Bis(2-methyl-1,3,4-thiadiazolyl)-5,5'-disulfide
66666-63-5

Bis(2-methyl-1,3,4-thiadiazolyl)-5,5'-disulfide

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With hydrazine In dichloromethane for 0.25h; Ambient temperature; further reagents;87%
potassium N-acetylhydrazinodithioformate
38509-92-1

potassium N-acetylhydrazinodithioformate

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With SO42-/TiO2-SnO2-Al2O3 solid super acid catalyst In tetrahydrofuran at -5 - 0℃; for 3.5h;84.2%
With sulfuric acid at 5℃;
With sulfuric acid
ammonium N-acetylhydrazinodithioformate

ammonium N-acetylhydrazinodithioformate

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With SO42-/TiO2-SnO2-Al2O3 solid super acid catalyst In tetrahydrofuran at -5 - 0℃; for 3.5h; Reagent/catalyst;83.5%
delta-3 methyl ester of cefazolin
79239-19-3

delta-3 methyl ester of cefazolin

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With phosphate buffer at 40℃; for 0.0833333h; Rate constant;
delta-3 methyl ester of cefazolin
79239-19-3

delta-3 methyl ester of cefazolin

A

cefazolin
25953-19-9

cefazolin

B

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

C

(6R,7R)-3-(5-Methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-7-(2-tetrazol-1-yl-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid

(6R,7R)-3-(5-Methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-7-(2-tetrazol-1-yl-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid

D

(6R,7R)-3-(5-Methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-7-(2-tetrazol-1-yl-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid methyl ester
117929-10-9

(6R,7R)-3-(5-Methyl-[1,3,4]thiadiazol-2-ylsulfanylmethyl)-8-oxo-7-(2-tetrazol-1-yl-acetylamino)-5-thia-1-aza-bicyclo[4.2.0]oct-3-ene-2-carboxylic acid methyl ester

Conditions
ConditionsYield
With phosphate buffer at 40℃; for 0.0833333h; Mechanism;
carbon disulfide
75-15-0

carbon disulfide

thioacetamide
62-55-5

thioacetamide

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With hydrazine 1) DMF, 0-5 deg C; 2) DMF, 0-5 deg C; 3) DMF, microwave irradiation, 1 min; Yield given. Multistep reaction;
5-methyl-1,3,4-thiadiazol-2-amine
108-33-8

5-methyl-1,3,4-thiadiazol-2-amine

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With potassium hydroxide; hydrogen bromide; copper; thiourea; sodium nitrite In ethanol
2-methyl-1,3,4-thiadiazoline-5-thione
29490-19-5

2-methyl-1,3,4-thiadiazoline-5-thione

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
In argon matrix at -263.16℃; for 2.25h; UV-irradiation;
carbon disulfide
75-15-0

carbon disulfide

acetic anhydride
108-24-7

acetic anhydride

thiosemicarbazide
79-19-6

thiosemicarbazide

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
Stage #1: carbon disulfide; thiosemicarbazide With sodium carbonate In ethanol at 20 - 30℃; for 4.5h;
Stage #2: acetic anhydride With sulfuric acid In ethanol at 0 - 20℃; for 2h; Reflux;
cefazolin sodium
27164-46-1

cefazolin sodium

A

C11H11N6O5S(1-)*Na(1+)

C11H11N6O5S(1-)*Na(1+)

B

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With β-lactamase at 37℃; for 0.5h; pH=7.4; Time; Alkaline conditions;
tetra(n-butyl)ammonium hydroxide
2052-49-5

tetra(n-butyl)ammonium hydroxide

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

(5-methyl-[1,3,4]-thiadiazole-2-thiolate)tetrabutylammonium
952021-15-7

(5-methyl-[1,3,4]-thiadiazole-2-thiolate)tetrabutylammonium

Conditions
ConditionsYield
In methanol for 3h; Inert atmosphere; Reflux;100%
In methanol for 3h; Reflux; Inert atmosphere;
2-(trimethylsilyl)phenyl trifluoromethanesulfonate
88284-48-4

2-(trimethylsilyl)phenyl trifluoromethanesulfonate

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

5-methyl-2-phenylmercapto-1,3,4-thiadiazole
1298111-54-2

5-methyl-2-phenylmercapto-1,3,4-thiadiazole

Conditions
ConditionsYield
With cesium fluoride In acetonitrile for 6h; Reagent/catalyst; Solvent; Sealed tube; Inert atmosphere; Reflux;100%
2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

3-iodopropyltrimethoxysilane
14867-28-8

3-iodopropyltrimethoxysilane

5-methyl-2-[3-(trimethoxysilyl)propylthio]-1,3,4-thiadiazole

5-methyl-2-[3-(trimethoxysilyl)propylthio]-1,3,4-thiadiazole

Conditions
ConditionsYield
Stage #1: 2-mercapto-5-methyl-1,3,4-thiadiazole With sodium methylate In methanol at 10 - 20℃; for 0.5h;
Stage #2: 3-iodopropyltrimethoxysilane In methanol at 20 - 40℃; for 4.5h;
99.9%
2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid
56187-37-2

2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

C10H7Cl2N3O2S2

C10H7Cl2N3O2S2

Conditions
ConditionsYield
Stage #1: 2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid; 2-mercapto-5-methyl-1,3,4-thiadiazole With triethylamine In dichloromethane; N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: With triphenyl phosphite In dichloromethane at 20 - 25℃; for 2h;
99.7%
[(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(2-chloro-acetylsulfanyl)-4-oxo-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester
102628-07-9

[(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(2-chloro-acetylsulfanyl)-4-oxo-azetidin-1-yl]-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

{(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-[2-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-acetylsulfanyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester
102646-20-8

{(2R,3S)-3-[(R)-1-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-[2-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-acetylsulfanyl]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid allyl ester

Conditions
ConditionsYield
With triethylamine In N,N-dimethyl-formamide; acetonitrile for 1h; Ambient temperature;99%
2-(3-bromopropyl)isoindole-1,3-dione
5460-29-7

2-(3-bromopropyl)isoindole-1,3-dione

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

2-(3-(5-methyl-1,3,4-thiadiazol-2-ylthio)propyl)-1H-isoindole-1,3(2H)-dione
511304-52-2

2-(3-(5-methyl-1,3,4-thiadiazol-2-ylthio)propyl)-1H-isoindole-1,3(2H)-dione

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 6h; Inert atmosphere;99%
1-Chloro-4-iodobenzene
637-87-6

1-Chloro-4-iodobenzene

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

C9H7ClN2S2

C9H7ClN2S2

Conditions
ConditionsYield
With copper(l) iodide; potassium carbonate In N,N-dimethyl-formamide at 120℃; for 14h; Reagent/catalyst; Inert atmosphere;98%
2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid
56187-37-2

2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

C10H9Cl2N3O2S2

C10H9Cl2N3O2S2

Conditions
ConditionsYield
Stage #1: 2-(3,5-dichloro-4-oxopyridine-1(4H)-yl)acetic acid; 2-mercapto-5-methyl-1,3,4-thiadiazole With pyridine In acetone at 20℃; for 1h;
Stage #2: With triethyl phosphite In acetone at 20 - 25℃; for 2h; Solvent; Reagent/catalyst;
97%
C25H26N2O5S

C25H26N2O5S

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

7-phenylacetylamino-3-(2-methyl-1,3,4-thiadiazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid p-methoxybenzyl ester
107447-96-1

7-phenylacetylamino-3-(2-methyl-1,3,4-thiadiazol-5-yl)thiomethyl-3-cephem-4-carboxylic acid p-methoxybenzyl ester

Conditions
ConditionsYield
In acetone at 50 - 55℃; for 3h; Time;97%
benzyl bromide
100-39-0

benzyl bromide

2-methyl-5-trimethylsilylthio-1,3,4-thiadiazole
81589-00-6

2-methyl-5-trimethylsilylthio-1,3,4-thiadiazole

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

saccharin
81-07-2

saccharin

2-[(phenylmethyl) thio]-5-methyl-1,3,4-thiadiazole
42755-32-8

2-[(phenylmethyl) thio]-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
With 1,1,1,3,3,3-hexamethyl-disilazane In N,N,N,N,N,N-hexamethylphosphoric triamide; water; ethyl acetate; acetonitrile96.4%
(3R,4R)-4-{(1S)-3-chloro-2-oxo-1-methylpropoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-triphenylphosphoranylidenemethyl)azetidin-2-one
90244-30-7

(3R,4R)-4-{(1S)-3-chloro-2-oxo-1-methylpropoxy}-3-benzamido-1-(1-diphenylmethoxycarbonyl-1-triphenylphosphoranylidenemethyl)azetidin-2-one

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

{(2R,3R)-3-Benzoylamino-2-[(S)-1-methyl-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-2-oxo-propoxy]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid benzhydryl ester
130793-04-3

{(2R,3R)-3-Benzoylamino-2-[(S)-1-methyl-3-(5-methyl-[1,3,4]thiadiazol-2-ylsulfanyl)-2-oxo-propoxy]-4-oxo-azetidin-1-yl}-(triphenyl-λ5-phosphanylidene)-acetic acid benzhydryl ester

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 1h; Ambient temperature;96%
2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

3-acetoxymethyl-7-aminoceph-3-em-4-carboxylic acid

3-acetoxymethyl-7-aminoceph-3-em-4-carboxylic acid

7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid
30246-33-4

7-amino-3-(5'-methyl-1',3',4'-thiadiazol-2'-ylthiomethyl)cephalosporanic acid

Conditions
ConditionsYield
With boric acid; triethylamine In water96%
In water; acetone
In water; acetone
2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

4-chloro-benzenesulfenyl chloride
933-01-7

4-chloro-benzenesulfenyl chloride

2-((4-chlorophenyl)disulfanyl)-5-methyl-1,3,4-thiadiazole
1402734-87-5

2-((4-chlorophenyl)disulfanyl)-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
In diethyl ether at 28℃; for 12h;96%
1-(2-chloroethyl)-3-methylurea
74378-14-6

1-(2-chloroethyl)-3-methylurea

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

N-Methyl-N'-<2-(5-methyl-1,3,4-thiadiazol-2-yl)-thioethyl>urea
74378-13-5

N-Methyl-N'-<2-(5-methyl-1,3,4-thiadiazol-2-yl)-thioethyl>urea

Conditions
ConditionsYield
With triethylamine In acetonitrile for 3h; Heating;95%
(6S,7S)-7-Azido-3-methanesulfonyloxymethyl-8-oxo-4-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-nitro-benzyl ester

(6S,7S)-7-Azido-3-methanesulfonyloxymethyl-8-oxo-4-oxa-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-nitro-benzyl ester

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

p-nitrobenzyl 7-β-azido-3-<2-thio(5-methyl)-1,3,4-thiadiazolyl>methyl-Δ3-O-2-isocephem-4-carboxylate

p-nitrobenzyl 7-β-azido-3-<2-thio(5-methyl)-1,3,4-thiadiazolyl>methyl-Δ3-O-2-isocephem-4-carboxylate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 23℃; for 16h;95%
2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

7-Aminocephalosporanic acid
957-68-6

7-Aminocephalosporanic acid

(6R,7R)-7-amino-3-(5-methyl-1,3,4-thiadiazol-2-ylthiomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
30246-33-4

(6R,7R)-7-amino-3-(5-methyl-1,3,4-thiadiazol-2-ylthiomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Conditions
ConditionsYield
With boron trifluoride dimethyl carbonate complex; acetic acid at 5 - 10℃; Temperature;95%
With boron trifluoride dimethyl carbonate complex; carbonic acid dimethyl ester at 20 - 30℃; for 1h; Reagent/catalyst;92.1%
With boron trifluoride In acetonitrile at 30℃; for 1.5h;86%
2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

Stearoyl chloride
112-76-5

Stearoyl chloride

A

Octadecanethioic acid S-(5-methyl-[1,3,4]thiadiazol-2-yl) ester
135363-52-9

Octadecanethioic acid S-(5-methyl-[1,3,4]thiadiazol-2-yl) ester

B

3-stearoyl-5-methyl-1,3,4-thiadiazole-2(3H)-thione
135363-34-7

3-stearoyl-5-methyl-1,3,4-thiadiazole-2(3H)-thione

Conditions
ConditionsYield
With triethylamine In dichloromethane Yields of byproduct given;A n/a
B 95%
trimethylaluminum
75-24-1

trimethylaluminum

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

(1H-tetrazol-1-yl)-2-acetic acid methyl ester
55633-19-7

(1H-tetrazol-1-yl)-2-acetic acid methyl ester

1H-tetrazole-1-acetic acid 2-methyl-1,3,4-thiadiazol-5-ylthiol ester

1H-tetrazole-1-acetic acid 2-methyl-1,3,4-thiadiazol-5-ylthiol ester

Conditions
ConditionsYield
In hexane; dichloromethane; ethyl acetate; Petroleum ether95%
2-fluorobenzenesulfenyl chloride

2-fluorobenzenesulfenyl chloride

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

2-((2-fluorophenyl)disulfanyl)-5-methyl-1,3,4-thiadiazole
1402734-90-0

2-((2-fluorophenyl)disulfanyl)-5-methyl-1,3,4-thiadiazole

Conditions
ConditionsYield
In diethyl ether at 28℃; for 12h;95%
2-(4-bromobutyl)isoindoline-1,3-dione
5394-18-3

2-(4-bromobutyl)isoindoline-1,3-dione

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

2-(4-((5-methyl-1, 3, 4-thiadiazol-2-yl)thio) butyl) isoindoline-1, 3-dione

2-(4-((5-methyl-1, 3, 4-thiadiazol-2-yl)thio) butyl) isoindoline-1, 3-dione

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 6h; Inert atmosphere;95%
2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

7-Aminocephalosporanic acid
957-68-6

7-Aminocephalosporanic acid

C11H12N4O3S3*ClH

C11H12N4O3S3*ClH

Conditions
ConditionsYield
With boron trifluoride diethyl etherate; acetic acid at 5 - 10℃; Temperature;95%
2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

(4R-cis)-6-(chloromethyl)-2,2-dimethyl-1,3-dioxane-4-acetic acid,1,1-dimethylethyl ester
154026-94-5

(4R-cis)-6-(chloromethyl)-2,2-dimethyl-1,3-dioxane-4-acetic acid,1,1-dimethylethyl ester

C16H26N2O4S2

C16H26N2O4S2

Conditions
ConditionsYield
With N-benzyl-N,N,N-triethylammonium chloride; sodium carbonate In 1-methyl-pyrrolidin-2-one at 115℃; for 20h; Solvent; Reagent/catalyst; Inert atmosphere;95%
With sodium carbonate In 1,4-dioxane at 80℃; for 6h; Inert atmosphere;
(R)-N-(2-(4-(4-bromobutoxy)phenyl)-2-hydroxyethyl)-N-methylacetamide

(R)-N-(2-(4-(4-bromobutoxy)phenyl)-2-hydroxyethyl)-N-methylacetamide

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

(R)-N-(2-hydroxy-2-(4-(4-((5-methyl-1,3,4-thiadiazol-2-yl)thio)butoxy)phenyl)ethyl)-N-methylacetamide

(R)-N-(2-hydroxy-2-(4-(4-((5-methyl-1,3,4-thiadiazol-2-yl)thio)butoxy)phenyl)ethyl)-N-methylacetamide

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 45 - 50℃; for 5h;94.6%
2-bromo-5-nitro-1,3-thiazole
3034-48-8

2-bromo-5-nitro-1,3-thiazole

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

2-Methyl-5-[(5-nitrothiazol-2-yl)mercapto]-1,3,4-thiadiazole
40045-40-7

2-Methyl-5-[(5-nitrothiazol-2-yl)mercapto]-1,3,4-thiadiazole

Conditions
ConditionsYield
With potassium hydroxide In ethanol at 20℃;94%
iodobenzene
591-50-4

iodobenzene

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

5-methyl-2-phenylmercapto-1,3,4-thiadiazole
1298111-54-2

5-methyl-2-phenylmercapto-1,3,4-thiadiazole

Conditions
ConditionsYield
With copper(l) iodide; potassium carbonate In N,N-dimethyl-formamide at 120℃; for 12h; Reagent/catalyst; Temperature; Solvent; Inert atmosphere;94%
1,4-bromoiodobenzene
589-87-7

1,4-bromoiodobenzene

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

C9H7BrN2S2

C9H7BrN2S2

Conditions
ConditionsYield
With copper(l) iodide; potassium carbonate In N,N-dimethyl-formamide at 120℃; for 14h; Reagent/catalyst; Inert atmosphere;94%
p-methoxybenzyl 7β-(2-phenylacetamido)-3-chloromethyl-3-cephem-4-carboxylate
104146-10-3

p-methoxybenzyl 7β-(2-phenylacetamido)-3-chloromethyl-3-cephem-4-carboxylate

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

7-phenylacetylamino-3-[[2-(5-methyl-1,3,4-thiadiazolyl)thio]methyl]cephalosporanic acid p-methoxybenzyl ester

7-phenylacetylamino-3-[[2-(5-methyl-1,3,4-thiadiazolyl)thio]methyl]cephalosporanic acid p-methoxybenzyl ester

Conditions
ConditionsYield
With triethylamine In dichloromethane at 0℃; for 10h;94%
C15H12BrCl2N3O5S

C15H12BrCl2N3O5S

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

cefazedone
56187-47-4

cefazedone

Conditions
ConditionsYield
With triethylamine In ethanol for 10h; Solvent; Reagent/catalyst; Reflux;93.86%
2-6-dimethoxybenzoic acid
1466-76-8

2-6-dimethoxybenzoic acid

2-mercapto-5-methyl-1,3,4-thiadiazole
29490-19-5

2-mercapto-5-methyl-1,3,4-thiadiazole

2,6-dimethoxybenzoyl-(5-methyl-1,3,4-thiadiazol-2-il)thiol ester
86396-33-0

2,6-dimethoxybenzoyl-(5-methyl-1,3,4-thiadiazol-2-il)thiol ester

Conditions
ConditionsYield
With pyridine; trichlorophosphate In dichloromethane for 16h; Ambient temperature;93%

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View