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,
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Cas:315-30-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWe are very compeitive on Losartan potassium.Our mfr is GMP certified for this item with CEP document. Product Name: Allopurinol CAS: 315-30-0 MF: C5H4N4O
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Min.Order:1 Kilogram
Negotiable
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inquiryUnique advantages for Allopurinol Cas 315-30-0 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white powder Storage:Store at RT Package:25kg/drum App
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Type:Trading Company
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We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:315-30-0
Min.Order:1 Gram
Negotiable
Type:Manufacturers
inquiry1. 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:315-30-0
Min.Order:1 Gram
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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,
Highly quality Factory Chemwill Asia co.,Ltd is one of the leading manufacturer in CHINA. Our main production base is located in Xuzhou industry park. We produce a wide range of organics including Active pharmaceuti
Product Name: Allopurinol Synonyms: Don't Piao alcohol;Allopurinol 0;4-Hydroxy-1H-pyrazolo[3,4-d]pyrimidine,98%;Allopurinol (1H-Pyrazolo(3,4-d)pyrimidin-4-ol);ALLOPURINOL EP [DRUG AND DRUGS INTERMEDI;TIMTEC-BB SBB004202;ISOPURINOL;
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Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryWith 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
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Min.Order:1 Kilogram
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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
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Min.Order:1 Kilogram
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Type:Trading Company
inquiryCompany profile: Hebei Sankai Chemical Technology Co., Ltd. is a new chemical enterprise integrating the research, manufacturing and supply of chemicals. Located in the beautiful "cattle city" Xingtai, Hebei Sankai Chemical Technology Co.,
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Min.Order:1 Kilogram
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Type:Trading Company
inquiryproduct Name 4-Hydroxypyrazolo[3,4-d]pyrimidine Synonyms Adenock; Allopurinol; Hydroxypyrazolodpyrimidine; pyrazolo(3,4-d)pyrimidin-1-ol; 4-Hydroxypyrazolo(3,4-d)-pyrimidine; 1H-Pyrazolo[3,4-d]pyrimidin-4-o
Advantage : 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&
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Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:315-30-0
Min.Order:10 Gram
Negotiable
Type:Other
inquiry1,In No Less five years exporting experience. 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Appearance:white powder Storage:storage in a dr
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
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Min.Order:10 Gram
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Type:Trading Company
inquiryWuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides
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Min.Order:100 Kilogram
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Type:Trading Company
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Min.Order:1 Kilogram
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inquiryAllopurinol CAS:315-30-0 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,
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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
Product Detail Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,
Cas:315-30-0
Min.Order:20 Metric Ton
Negotiable
Type:Trading Company
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 qualifie
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Min.Order:1 Kilogram
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
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Cas:315-30-0
Min.Order:25 Gram
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Type:Trading Company
inquiryOur Advantage 1. Rich experience We specialize in this filed for many years, our APIs exported to all over the world and and we established long friendly relations of cooperation with our clients. 2. Great quality,purity and favorable Good qual
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Min.Order:1 Kilogram
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inquiryPRODUCT DETAILS
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Type:Lab/Research institutions
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inquiryformic acid
2-cyano-3-morpholinoacrylamide
formamide
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
Stage #1: 2-cyano-3-morpholinoacrylamide With hydrazine hydrate In water at 90 - 100℃; Stage #2: formic acid; formamide at 100 - 170℃; | 96% |
3-methylthio-4-hydroxypyrazolo<3,4-d>pyrimidine
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
nickel In ethanol for 40h; Heating; | 66% |
A
formaldehyd
B
4-(morpholinomethyl)benzoic acid
C
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
In water at 37℃; Product distribution; phosphate buffer pH=7.4, human plasma; other N-subst. N-<<<(aminomethyl)benzoyl>oxy>methyl> drug derivatives; time course of the reaction; |
formamide
3-amino-1H-pyrazole-4-carboxylic acid methyl ester
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
at 155℃; for 11h; Temperature; |
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
With sodium hydroxide In water at 15 - 30℃; for 1h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; | 81.8% |
4-hydroxypyrazolo(3,4-d)pyrimidine
5-Iodo-4(3H)-oxo-7H-pyrazolo<3,4-d>pyrimidine
Conditions | Yield |
---|---|
With N-iodo-succinimide In N,N-dimethyl-formamide at 110℃; for 18h; | 81% |
Conditions | Yield |
---|---|
With caesium carbonate; copper(l) chloride In 1-methyl-pyrrolidin-2-one for 0.0833333h; Ullmann ether synthesis; microwave irradiation; | 80% |
tris(triphenylphosphine)ruthenium(II) chloride
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
In methanol; dichloromethane for 4h; Schlenk technique; Reflux; | 80% |
Conditions | Yield |
---|---|
With N,N-dimethyl-formamide; trichlorophosphate for 12h; Reflux; | 76% |
With trichlorophosphate In N,N-dimethyl-aniline for 1h; Reflux; | 72% |
With trichlorophosphate In N,N-dimethyl-aniline at 80℃; for 2h; | 70% |
RuCl2(1,4-bis(diphenylphosphino)butane)(PPh3)
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
In methanol; dichloromethane at 20℃; for 0.5h; Schlenk technique; | 70% |
2'-Deoxyguanosine
4-hydroxypyrazolo(3,4-d)pyrimidine
8-aza-7-deaza-2'-deoxyinosine
Conditions | Yield |
---|---|
With purine nucleoside phosphorylase at 50℃; pH=7; aq. phosphate buffer; Enzymatic reaction; | 68% |
4-hydroxypyrazolo(3,4-d)pyrimidine
1-bromo-2-(10β-dihydroartemisinoxy)ethane
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 2.5h; | 63.4% |
4-hydroxypyrazolo(3,4-d)pyrimidine
8-aza-7-deaza-2'-deoxyinosine
Conditions | Yield |
---|---|
With purine nucleoside phosphorylase; phosphopentomutase; ribokinase; potassium chloride; ATP; manganese(ll) chloride at 40℃; for 10h; pH=7.5; aq. buffer; Enzymatic reaction; regiospecific reaction; | 60% |
Conditions | Yield |
---|---|
With phosphorus pentoxide; triethylamine hydrochloride at 200℃; for 24h; | 59% |
Conditions | Yield |
---|---|
With phosphorus pentoxide; triethylamine hydrochloride at 200℃; for 3h; | 56% |
Conditions | Yield |
---|---|
With phosphorus pentoxide; triethylamine hydrochloride at 200℃; for 3h; | 50% |
Conditions | Yield |
---|---|
With phosphorus pentoxide; triethylamine hydrochloride at 150℃; for 3h; | 48% |
4-hydroxypyrazolo(3,4-d)pyrimidine
1-bromo-2-(10β-dihydroartemisinoxy)ethane
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 2.5h; | 35.2% |
Conditions | Yield |
---|---|
With phosphorus pentoxide; triethylamine hydrochloride at 150℃; for 3h; | 31% |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In N,N-dimethyl-formamide at 85℃; for 8h; | A 31% B n/a C n/a |
Conditions | Yield |
---|---|
With phosphorus pentoxide; triethylamine hydrochloride at 200℃; for 2.5h; | 26% |
4-hydroxypyrazolo(3,4-d)pyrimidine
uridine
1-β-D-ribofuranosyl-1H-pyrazolo<3,4-d>pyrimidin-4-one
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate at 36℃; for 144h; pH 7.2, purine nucleoside phosphorylase, uridine phosphorylase; | 24% |
aniline
4-hydroxypyrazolo(3,4-d)pyrimidine
N-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
Conditions | Yield |
---|---|
With phosphorus pentoxide; triethylamine hydrochloride at 150℃; for 1.5h; | 21% |
farnesyl bromide
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
Stage #1: 4-hydroxypyrazolo(3,4-d)pyrimidine With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.166667h; Inert atmosphere; Stage #2: farnesyl bromide In N,N-dimethyl-formamide at 70℃; for 27h; Inert atmosphere; | A 12% B 4% C 21% |
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
In dichloromethane; acetonitrile at 20 - 60℃; Inert atmosphere; | 7.22% |
Conditions | Yield |
---|---|
Stage #1: 4-hydroxypyrazolo(3,4-d)pyrimidine With sodium carbonate; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.166667h; Inert atmosphere; Stage #2: trans-geranyl bromide In N,N-dimethyl-formamide for 24h; Inert atmosphere; | 2% |
2E,6E,10E-geranylgeranyl bromide
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
Stage #1: 4-hydroxypyrazolo(3,4-d)pyrimidine With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.166667h; Inert atmosphere; Stage #2: 2E,6E,10E-geranylgeranyl bromide In N,N-dimethyl-formamide for 27h; Inert atmosphere; | 2% |
Conditions | Yield |
---|---|
With ethylenediaminetetraacetic acid at 25℃; Mechanism; presence of xanthine-oxidase, pH=8; inhibition of xanthine-oxidase; | |
With sodium hydroxide; air; Mo(VI)-xanthine oxidase In phosphate buffer pH=7.5; Irradiation; | |
With bovine xanthine oxidase at 25℃; for 0.0833333h; pH=7.8; aq. buffer; Enzymatic reaction; |
4-hydroxypyrazolo(3,4-d)pyrimidine
Conditions | Yield |
---|---|
Stage #1: 4-hydroxypyrazolo(3,4-d)pyrimidine With sodium hydride In N,N-dimethyl-formamide at 50℃; for 2h; Stage #2: methanesulfonic acid 2-(7-amino-2-furan-2-yl-[1,2,4]triazolo[1,5-a][1,3,5]triazin-5-yl)-octahydro-pyrido[1,2-a]pyrazin-7-ylmethyl ester In N,N-dimethyl-formamide at 100℃; for 24h; |
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