Product Name Brazilian Cocoa Extract Latin Name Theobroma cacao L. Active Ingredient Theobromine Part of used
Cas:83-67-0
Min.Order:1 Kilogram
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Type:Trading Company
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryItems Standard Result Appearance White powder Complies Identification Positive reaction
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $75.0 / 90.0
Type:Manufacturers
inquiryPhosphosdiesterase inhibitor, weak adenosine receptor antagonist, diuretic and smooth muscle relaxant. Theobromine is a methylxanthine alkaloid and derivative of caffeine that has been found in cocoa beans and has diverse biological activities. It i
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $100.0
Type:Other
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:83-67-0
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiryProfessional Factory We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of content and proportion of extract according to the demand . Excellent Team We are a young and profess
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $50.0
Type:Manufacturers
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
1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:83-67-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Manufacturers
inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:83-67-0
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryOur 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
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
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
inquiryWITH 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
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: Cocoa Bean Extract Powder Activ Ingredient: Theobromine Specifications: 10%, 20% HPLC Product Use: Antisptic, diuretic, ecbolic, emmenagogue and parasiticide Shelf Life: Two years Package: 25kg/drum CAS No.: 83-67-0 Appearance:Fin
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
Cas:83-67-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At pres
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $34.0 / 49.0
Type:Trading Company
inquiryTheobromine CAS: 83-67-0 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,
Cas:83-67-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:83-67-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
Cas:83-67-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products with competitive price in
Cas:83-67-0
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
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
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
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $40.0 / 60.0
Type:Lab/Research institutions
inquiryShanghai SOYOUNG onsite assessment conducted by Bureau Veritas commissioned at June 2018. Assessed Supplier of Shanghai SOYOUNG is a faithful and professional supplier of health raw materials in pharmacy, food, cosmetic and other fields for many ye
Cas:83-67-0
Min.Order:25 Kilogram
FOB Price: $50.0
Type:Lab/Research institutions
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
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 100000.0
Type:Lab/Research institutions
inquiryChengdu Biopurify Phytochemicals Ltd. is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medic
High quality Caffeic acid CAS 331-39-5 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality
Cas:83-67-0
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
inquiryNewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed
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
1-amino-3,7-dimethylxanthine
theobromine /
Conditions | Yield |
---|---|
With sodium nitrite In acetic acid | 96% |
Conditions | Yield |
---|---|
Stage #1: 3-methylxanthine; dimethyl sulfate With sodium hydrogencarbonate In water; acetone at 55 - 60℃; for 4h; Stage #2: With hydrogenchloride In water at 80℃; pH=5 - 6; Product distribution / selectivity; | 87% |
Conditions | Yield |
---|---|
Stage #1: 3-methylxanthine disodium salt; dimethyl sulfate With sodium carbonate In acetone at 55 - 57℃; for 4h; Stage #2: With hydrogenchloride In water at 30℃; pH=6; Product distribution / selectivity; | 84.9% |
theobromine /
Conditions | Yield |
---|---|
at 260℃; for 1h; | 66% |
3-methylxanthine
methyl iodide
A
theobromine /
B
1,7,9-trimethylxanthinium iodide
Conditions | Yield |
---|---|
at 110℃; for 1.5h; closed Kjeldahl flask; | A 61% B 28% |
5-amino-3-methyl-3H-imidazole-4-carboxylic acid methylamide; hydrochloride
urea
theobromine /
Conditions | Yield |
---|---|
In melt 1) 140 deg C, 30 min 2) 170-175 deg C, 2h; | 55% |
theobromine /
Conditions | Yield |
---|---|
In pyridine at 115℃; for 3h; | 53% |
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
A
theophylline
B
theobromine /
Conditions | Yield |
---|---|
With sodium thiophenolate at 250℃; for 1.5h; | A 37% B 21% |
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
A
theophylline
B
theobromine /
C
paraxanthine
Conditions | Yield |
---|---|
With hepatic cytochrome P450 Enzymatic reaction; | A 7% B 12% C n/a |
Conditions | Yield |
---|---|
With sodium thiophenolate at 280℃; for 1.5h; | 10% |
3-methyl-4-amino-5-formylamino-2,6-dioxypyrimidine
theobromine /
Conditions | Yield |
---|---|
With sodium hydroxide anschliessendes Behandeln mit Dimethylsulfat; |
ethanol
3,7-dimethyl-3,7-dihydro-purine-2,6-dione, theobromine; salicylate
theobromine /
Conditions | Yield |
---|---|
Ausscheidung; |
Conditions | Yield |
---|---|
Erhitzen ueber den Schmelzpunkt; |
3,7-dimethyl-8-trichloromethyl-3,7-dihydro-purine-2,6-dione
theobromine /
Conditions | Yield |
---|---|
With hydrogenchloride |
1-benzoyl-3,7-dimethyl-3,7-dihydro-purine-2,6-dione
glycine
A
Hippuric Acid
B
theobromine /
Conditions | Yield |
---|---|
at 20℃; |
dimethyl sulfate
xanthin
A
theobromine /
B
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
Conditions | Yield |
---|---|
bei der Methylierung unter verschiedenen Bedingungen; |
Conditions | Yield |
---|---|
at 100℃; Das Bleisalz liefert beim Erhitzen im Rohr; |
chloroformic acid ethyl ester
3-Methyl-5-methylamino-3H-imidazole-4-carboxylic acid amide; compound with perchloric acid
theobromine /
Conditions | Yield |
---|---|
With sodium hydroxide; triethylamine 1.) MeCN, r. t., 1.5 h, 2.) r. t., 10 min; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
at 230℃; for 0.75h; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
at 250℃; for 0.25h; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With iodine at 250℃; for 1h; |
3,7,9-trimethylxanthinium chloride
theobromine /
Conditions | Yield |
---|---|
at 260℃; for 0.75h; Yield given; |
3-methyl-4-methylamino-5-methylformylaminouracil
A
theobromine /
B
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
Conditions | Yield |
---|---|
fusion; |
1,7,9-trimethylxanthinium iodide
theobromine /
Conditions | Yield |
---|---|
at 230℃; for 0.25h; Yield given; |
theobromine /
Conditions | Yield |
---|---|
With sodium hydroxide for 0.166667h; Heating; Yield given; |
3,7-dimethyl-6-(5-oxohexyloxy)-3,7-dihydro-2H-purin-2-one
A
theobromine /
B
6-hydroxy-2-hexanone
Conditions | Yield |
---|---|
With hydrogenchloride |
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
A
formaldehyd
B
theobromine /
Conditions | Yield |
---|---|
With Tris-HCl buffer; 1,4-dihydronicotinamide adenine dinucleotide; Pseudomonas putida No. 352 at 25℃; Product distribution; various substrates, enzyme activity; |
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
A
theophylline
B
theobromine /
C
1,3,7-trimethyl-7,9-dihydro-3H-purine-2,6,8-trione
Conditions | Yield |
---|---|
With dihydrogen peroxide In water Product distribution; Mechanism; Irradiation; other reagent; |
theobromine /
11-chloroundec-1-ene
1-(10-undecenyl)-3,7-dimethylxanthine
Conditions | Yield |
---|---|
With potassium carbonate In water; dimethyl sulfoxide | 100% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 130℃; for 3h; | 100% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide | 99% |
In dimethyl sulfoxide | 99% |
In dimethyl sulfoxide | 99% |
In dichloromethane; dimethyl sulfoxide | 99% |
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide | 98% |
In water; dimethyl sulfoxide | 95.5% |
theobromine /
(E)-1-bromohex-1-ene
1-(hex-5-enyl)-3,7-dimethylxanthine
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide | 98% |
In water; dimethyl sulfoxide | 98% |
In water; dimethyl sulfoxide | |
In water; dimethyl sulfoxide |
theobromine /
(E)-1-bromohex-1-ene
A
1-(hex-5-enyl)-3,7-dimethylxanthine
B
1-(5,6-oxidohexyl)-3,7-dimethylxanthine
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide | A 98% B n/a |
In water; dimethyl sulfoxide | A 98% B n/a |
theobromine /
8-iodotheobromine
Conditions | Yield |
---|---|
With iodine In acetonitrile for 1.5h; Heating; | 97% |
Conditions | Yield |
---|---|
In dimethyl sulfoxide | 97% |
In dimethyl sulfoxide | 97% |
theobromine /
1-bromo-octane
3,7-dimethyl-1-octyl-3,7-dihydro-1H-purine-2,6-dione
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 120℃; Inert atmosphere; | 96% |
With potassium carbonate In N,N-dimethyl-formamide at 120℃; Inert atmosphere; Schlenk technique; | 88% |
With potassium hydroxide; Aliquat 336 1.) 80 deg C, 2 h, 2.) 1 h; Yield given. Multistep reaction; |
theobromine /
1,3-Dichloropropane
1-(3-chloropropyl)-3,7-dimethyl-2,3,6,7-tetrahydro-1H-2,6-purinedione
Conditions | Yield |
---|---|
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride for 2h; Heating; | 96% |
Conditions | Yield |
---|---|
With potassium iodide for 24h; Reflux; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
With trichlorophosphate; phosphorus trichloride Substitution; | 95% |
With trichlorophosphate at 140℃; | |
With N,N-diethylaniline; trichlorophosphate at 130℃; for 18h; Inert atmosphere; | |
With trichlorophosphate at 140℃; |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; Inert atmosphere; Schlenk technique; | 95% |
Stage #1: theobromine / With potassium carbonate In N,N-dimethyl-formamide for 0.5h; Stage #2: benzyl bromide In N,N-dimethyl-formamide | 89% |
With caesium carbonate In toluene; acetonitrile for 18h; | 80% |
Conditions | Yield |
---|---|
Stage #1: theobromine /; allyl bromide With sodium t-butanolate In N,N-dimethyl-formamide at 150℃; for 12h; Stage #2: In N,N-dimethyl-formamide at 100℃; for 12h; | 95% |
With potassium carbonate In N,N-dimethyl-formamide | 80% |
With hydrogenchloride In dimethyl sulfoxide | 42% |
theobromine /
1-chloro-5-hexyne
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 100℃; for 2h; | 95% |
Conditions | Yield |
---|---|
Stage #1: theobromine /; 12-phosphotungstic acid*29H2O In water at 70 - 80℃; Stage #2: ethanol | 95% |
methyl bromide
theobromine /
A
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
B
3-benzyladenine
Conditions | Yield |
---|---|
With solution aqueuse d'hydroxide de sodium; tetrabutylammomium bromide In dichloromethane 1)20 deg C, 12h 2)40 deg C, 3h; | A 94% B n/a |
Iodoethanol
theobromine /
1-(2-hydroxyethyl)-3,7-dimethyl-3,7-dihydropurine-2,6-dione
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide for 4h; | 94% |
Stage #1: theobromine / With potassium carbonate In N,N-dimethyl-formamide Reflux; Stage #2: Iodoethanol for 18h; Reflux; | 68% |
Conditions | Yield |
---|---|
Stage #1: theobromine / With sodium hydride In dimethyl sulfoxide at 60℃; for 0.333333h; Inert atmosphere; Stage #2: 1-propylhalide In dimethyl sulfoxide at 60℃; Inert atmosphere; | 94% |
theobromine /
1-chloro-4-pentyne
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 100℃; for 2h; | 94% |
theobromine /
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 130℃; for 3.5h; | 93% |
theobromine /
dimethyl sulfate
3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
Conditions | Yield |
---|---|
potassium fluoride on basic alumina In acetonitrile for 24h; Ambient temperature; | 92% |
With sodium hydroxide |
theobromine /
2,6-dithiotheobromine
Conditions | Yield |
---|---|
With Lawessons reagent; aluminum oxide for 0.116667h; microwave irradiation; | 92% |
With kerosine |
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide; Petroleum ether | 92% |
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water at 50℃; for 16h; | 91.1% |
theobromine /
1-bromo-6-hexanol
1-(6-hydroxy-hexyl)-3,7-dimethyl-3,7-dihydro-purine-2,6-dione
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide | 91% |
In water; dimethyl sulfoxide | 91% |
theobromine /
1-bromo-6-hexanol
1-(6-hydroxy-hexyl)-3,7-dimethyl-3,7-dihydro-purine-2,6-dione
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide | 91% |
In water; dimethyl sulfoxide | 91% |
Conditions | Yield |
---|---|
In ethanol Zr-compound refluxed in ethanol/triethyl orthoformate for 2 h; N-compound added and refluxed for 36 h; cooled to room temp.; filtered; washed with acetone; elem. anal.; | 91% |
Conditions | Yield |
---|---|
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 25 - 110℃; for 3h; Inert atmosphere; | 91% |
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