HANGZHOU THINK CHEMICAL CO., LTD. (THINKCHEM) is an integrative corporation of trade, research and contract manufacture. With about ten years of business experiences on the marketing & distribution, thinkchem specializes in exporting
Sales: 1.24hours to reply your E-mail 2.Market information trend share with customers Suggestion for purchase decision Reputation: 1.Implementing contract terms strictly 2.Timely solve any discrepancy or goods claims Take our responsibility for loss
Thank you for your interest our products! To get more information, please feel free to contact with us! Thanks! We are ready to serve for you with super zealousness and full effor! Appearance:white crystalline powder Storage:Protected from light,st
Cas:67-97-0
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryCome From Nature / Building Healthy Life Beauty In Your Face / Nourishment Your Taste Bud. Professional Factory: We has a complete production and operating system, with an annual output capacity of 2000 tons. It can produce variety of conten
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $19.0 / 29.0
Type:Manufacturers
inquiryVitamin D3 Chemical Properties Melting point 83-86 °C(lit.) alpha 105 º (c=0.8, EtOH 25 ºC) Boiling point 451.27°C (rough estimate) density 0.9717 (rough estimate) vapor pressure 2.0 x l0-6 Pa (20 °C, est.) r
Cas:67-97-0
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
inquiryZorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ
Cas:67-97-0
Min.Order:1 Kilogram
Negotiable
Type:Other
inquirywe are committed to excellence.From manufacturing to packaging and delivery, we provide quality, reliability and the highest degree of customer service.Our scope of service is organized/structured around the unique needs of each client.Our mission is
Cas:67-97-0
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryDescription: Character: Faint yellow or yellow oil, no foreign matter and no odor. Easily influenced by air and light. Main Component: Vitamin D3, Natural Vitamin E and Edible Vegetable Oil . Application: According to Hygienic standard for the use
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $12.0
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:67-97-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryAnalysis tests Standard Results Sensory Requirements Light yellow oily liquid, no rancidity flavor Complies Id
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $200.0 / 250.0
Type:Manufacturers
inquiryWelcome 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
Cas:67-97-0
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquirypioneerbiotech is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your r
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $800.0 / 1000.0
Type:Other
inquiry1. high purity; 2. able to provide COA/HNMR/HPLC; 3. High quality; 4. low price; 5. Best service; 6.direct supplier Appearance:white columna crystalline Storage:2-8°C Package:bag/bottle/drum Application:Vitamine series Transportation:
Why is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial since 1987 2) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days. 4) We have warehouse in USA with quickly shipment . Package:1kg/bag
Cas:67-97-0
Min.Order:25 Kilogram
Negotiable
Type:Trading Company
inquiryHebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ
Cas:67-97-0
Min.Order:100 Gram
FOB Price: $2.0
Type:Manufacturers
inquiry1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers 3.Safe an
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $10.0
Type:Trading Company
inquirySpecifications 1.We supply Vitamin D3 2.White crastalline powder 3.High quality competitive price 4.C27H44O 5.Professional manufacture Analysis Items Spe
Cas:67-97-0
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryT he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:W
Vitamin D3 Properties: This product is micron yellow to yellow brown micron particles,have mobility. Case of heat,light or moisture absorption see degradation easily decomposed after,so that decreased . Intem
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $2.0 / 3.0
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:67-97-0
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
Vitamin D3 CAS: 67-97-0;8024-19-9;8050-67-7 Molecular Formula: C27H44O Home Product Category other other 67-97-0 67-97-0 - Names and Identifiers Name Vitamin D3 Synonyms Ebivit Rampage Quintox Deparal T
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $35.0 / 49.0
Type:Trading Company
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:67-97-0
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:67-97-0
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryName:Vitamin D3 CAS NO:67-97-0 Grade:Medical scientific research and export Molecular formula: C27H44O Molecular weight:384.6377 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data sto
Cas:67-97-0
Min.Order:25 Kilogram
FOB Price: $2.0 / 3.0
Type:Other
inquiryVitamin D3 Basic information Vitamin D Physiological function Content analysis Toxicity Maximum level The maximum permissible usage and maximum allowable residue in food additives Chemical property Applications Production
Cas:67-97-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:67-97-0
Min.Order:1 Kilogram
FOB Price: $1.0 / 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:67-97-0
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryIdentification Active ingredient: cholecalciferol ( calciol; vitamin D3) Carrier: β-cyclodextrin CAS NO.: 67-97-0 Main Specifications Particle size::100% through 40 mesh min. 95% through 50 mesh min. 60% through 80 mesh Loss on
Cas:67-97-0
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
inquiryConditions | Yield |
---|---|
With 2,6-di-tert-butyl-4-methyl-phenol; sodium hydroxide; 5-(3-pyridyl)-2,2’-bithiophene In ethanol at 80 - 85℃; for 3.5h; Temperature; Solvent; Reagent/catalyst; Irradiation; | 74% |
With benzene Irradiation.UV-Licht; unter Luftausschluss; Reinigung ueber das O-<3.5-Dinitro-benzoyl>-Derivat, das O-<3.5-Dinitro-4-methyl-benzoyl>-Derivat oder das Allophanoyl-Derivat; | |
With diethyl ether Irradiation.UV-Licht; unter Luftausschluss; Reinigung ueber das O-<3.5-Dinitro-benzoyl>-Derivat, das O-<3.5-Dinitro-4-methyl-benzoyl>-Derivat oder das Allophanoyl-Derivat; |
7-dehydrocholesterol
C
vitamin D3
D
Lumisterol3
E
5,6-trans-vitamin D3
Conditions | Yield |
---|---|
Stage #1: 7-dehydrocholesterol In 1,4-dioxane for 0.0833333h; UV-irradiation; Stage #2: 7-dehydrocholesterol | A 12% B 6% C 60% D 8% E 5% |
Conditions | Yield |
---|---|
In ethanol Heating; | 50% |
In ethanol at 60.1℃; Equilibrium constant; Kinetics; Thermodynamic data; other temperatures; Ea, log A, ΔG(excit.), ΔH(excit.), ΔS(excit.) at 80 deg C; | |
In ethanol at 60.1℃; Mechanism; other temperatures; isotope effect (9,14,19,19,19-d5); | |
In ethanol-d6 at 80℃; Rate constant; Equilibrium constant; | |
In benzene for 3h; Heating; |
2-[(1R,3aS,7aR)-1-((R)-1,5-Dimethyl-hexyl)-7a-methyl-octahydro-inden-(4E)-ylidene]-1-((1R,5R)-2-methylene-bicyclo[3.1.0]hex-1-yl)-ethanol
A
vitamin D3
B
5,6-trans-vitamin D3
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In 1,4-dioxane; water at 55℃; for 0.166667h; | A 23.8% B 19.2% |
With toluene-4-sulfonic acid In 1,4-dioxane Yield given. Yields of byproduct given; |
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