DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:299-35-4
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inquiryItems Standard Result Assay 98%min ----------------------------------------------------------------------------------------------
Cas:299-35-4
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inquiryThe 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
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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inquiryTHIOTHIAMINE CAS:299-35-4 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 quality organic intermediates,
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inquiryHello, 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
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inquiryHenan 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
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inquiryOur 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
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inquiryCompany 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
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
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inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
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inquiryProduct 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,
Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:299-35-4
Min.Order:1 Gram
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inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
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Min.Order:1 Metric Ton
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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Min.Order:1 Metric Ton
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inquiryAcmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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Min.Order:1 bottle
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Min.Order:0
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inquiry1,we produce and sell good chemicals around the world.2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%.3,our staff consists of highly qualified in
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inquiryWe product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:intermediate
Thiothiamine CAS NO.299-35-4 Application:Thiothiamine CAS NO.299-35-4
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-tetrahydro-furo[2,3-d]thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With hydrogenchloride |
Aneurin
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With water; oxygen |
1-thiopropane
thiamine disulfide
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With hydrogenchloride |
diethyltetrasulfane
thiamine disulfide
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
at 120℃; |
thiamine disulfide
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With 2-methyl-propan-1-ol; sulfur at 130℃; |
carbon disulfide
N-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-acetamide
5-Acetoxy-3-chloropentan-2-one
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
(i) aq. NaOH, (ii) /BRN= 971207/, /BRN= 1098293/, aq. NH3, EtOH, (iii) aq. HCl, (iV) aq. NaOH; Multistep reaction; |
N-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-N-(4-hydroxy-1-methyl-2-thioxo-butyl)-formamide; sodium salt
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With carbon dioxide; aniline In ethanol |
Thiamine hydrochloride
A
thiamine thiazolone
B
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With KO2 In dimethyl sulfoxide for 0.5h; Ambient temperature; |
4-Nitro-benzenethiolate3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-2-(4-nitro-phenylsulfanyl)-thiazol-3-ium;
A
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
B
thiochrome
Conditions | Yield |
---|---|
In acetonitrile for 3h; Heating; |
5-Acetoxy-3-chloropentan-2-one
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With sodium iodide In water; N,N-dimethyl-formamide at 20℃; for 6h; |
hydrogenchloride
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-3a-methyl-tetrahydro-furo[2,3-d]thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
5-(aminomethyl)-2-methylpyrimidin-4-amine
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With sodium hydroxide; ammonia Erwaermen des Reaktionsprodukt mit wss. HCl; |
5-(aminomethyl)-2-methylpyrimidin-4-amine
5-Acetoxy-3-chloropentan-2-one
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With methanol; ammonia Erwaermen des Reaktionsprodukts mit wss. HCl; |
2-methyl-propan-1-ol
N-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-N-(4-hydroxy-1-methyl-2-methyldisulfanyl-but-1-en-t-yl)-formamide
A
thiamine thiazolone
B
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
at 120℃; |
2-methyl-propan-1-ol
thiamine disulfide
A
thiamine thiazolone
B
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
at 120℃; |
5-(aminomethyl)-2-methylpyrimidin-4-amine
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: concd. ammonia, NH3(gas) / ethanol / 3 h 2: NaI / dimethylformamide; H2O / 6 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: NH3; aqueous methanol. NaOH 2: methanol. sodium methylate 3: aqueous HCl View Scheme |
thiamine hydrochloride
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetonitrile / 3 h / Ambient temperature 2: acetonitrile / 3 h / Heating View Scheme |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-chloro-ethyl)-4-hydroxy-4-methyl-thiazolidine-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: methanol. sodium methylate 2: aqueous HCl View Scheme |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-4-hydroxy-5-(2-hydroxy-ethyl)-4-methyl-thiazolidine-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aqueous HCl 2: aqueous HCl View Scheme |
butanoic acid anhydride
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
3-(4-butyrylamino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-butyryloxy-ethyl)-4-methyl-3H-thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
pivaloyl chloride
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-4-methyl-5-(2-pivaloyloxy-ethyl)-3H-thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
acetic anhydride
5-(2-acetoxy-ethyl)-3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With pyridine |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
acetic anhydride
5-(2-acetoxy-ethyl)-3-(4-acetylamino-2-methyl-pyrimidin-5-ylmethyl)-4-methyl-3H-thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
acetic acid
5-(2-acetoxy-ethyl)-3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-4-methyl-3H-thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
propionic acid
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
methanesulfonyl chloride
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-methanesulfonyloxy-ethyl)-4-methyl-3H-thiazole-2-thione
Conditions | Yield |
---|---|
With pyridine |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
propionic acid anhydride
4-methyl-3-(2-methyl-4-propionylamino-pyrimidin-5-ylmethyl)-5-(2-propionyloxy-ethyl)-3H-thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
m-nitrobenzoic acid chloride
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-4-methyl-5-[2-(3-nitro-benzoyloxy)-ethyl]-3H-thiazole-2-thione
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
thiamine thiazolone
Conditions | Yield |
---|---|
With sodium hydroxide; dihydrogen peroxide |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Aneurin
Conditions | Yield |
---|---|
With dihydrogen peroxide | |
With amalgamated magnesium | |
With aluminium | |
With nickel |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
vitamin B1
Conditions | Yield |
---|---|
(i) aq. H2O2, (ii) aq. HCl; Multistep reaction; |
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
vitamin B1 mononitrate
Conditions | Yield |
---|---|
With dihydrogen peroxide; nitric acid |
hydrogenchloride
3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-5-(2-hydroxy-ethyl)-4-methyl-3H-thiazole-2-thione
Aneurin
Conditions | Yield |
---|---|
Kinetics; |
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