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Henan Tianfu Chemical Co., Ltd.TIANFUCHEM--69975-86-6--High purity Doxofylline factory price//file1.lookchem.com/cas/reactions/2021/08/16/561195.png
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TIANFUCHEM--69975-86-6--High purity Doxofylline factory price CAS NO.69975-86-6

FOB Price:
USD 2,000.00-2,000.00 /Metric Ton Get Latest Price
Min.Order Quantity:
1 Metric Ton
Purity:
99%
Port:
China Main Port
Payment Terms:
L/C,T/T

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Product Details

Keywords

  • TIANFUCHEM--69975-86-6
  • High purity Doxofylline
  • Doxofylline factory price

Quick Details

  • ProName: TIANFUCHEM--69975-86-6--High purity Do...
  • CasNo: 69975-86-6
  • Molecular Formula: C11H14N4O4
  • Appearance: White Powder
  • Application: API，Pharmaceutical intermediates
  • DeliveryTime: In Stock
  • PackAge: 25KGS/Drum
  • Port: China Main Port
  • ProductionCapacity: 1000 Metric Ton/Day
  • Purity: 99%
  • Storage: Room temperature
  • Transportation: BY SEA
  • LimitNum: 1 Metric Ton
  • Heavy metal: N/A
  • Grade: Industrial Grade,Food Grade
  • Transportation: N/A

Superiority

tianfuchem--69975-86-6--high purity doxofylline factory price

our company was built in 2009 with an iso certificate.in the past 10 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.
our main business covers the fields below:
1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.pharmaceutical intermediates
about us
1.more than 10 years chemical exporting experience
we have produced chemical more than fifteen years., 80% products are for export .
more than 10 years chemical exporting experience. good and stabilized factory price.
2.strict quality control system
3.supply sample
before order , we can send the sample for your testing . we ensure the quality is the same as bulk quantity .
our advantage:
q1:can i get the free sample
a: yes, we can supply the free sample, but the shipping cost be paid by our customers.
q2: how to start orders or make payments
a: proforma invoice will be sent first after confirmation of order, enclosed our bank information.
payment by t/t, or paypal or l/c.
q3: how to confirm the product quality before placing orders
a:you can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
you can send us your product specifications and requests,we will manufacture the products according to your requests.
q4:what’s your moq
a:usually according you demand.
q5: how about delivery leadtime
a:delivery lead time: as soon as possible. (chinese holiday not included)
q6:is there a discount
a:different quantity has different discount.
q7: how to contact us
a:you can chat with us by trademanager,email,whatsapp,wechat.
you can choose your interested products and send inquiry to us.
you can dial our telephone directly, you will get our reply.

Details

tianfuchem--69975-86-6--high purity doxofylline factory price
our company was built in 2009 with an iso certificate.in the past 10 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.
details
doxofylline
english synonyms: doxofylline; doxophylline; 7- (1,3-dioxolan-2-ylmethyl) -3,7-dihydro- 1,3-dimethyl- 1h-purine-2,6-dione; 2- (7'-teofillinmetil ) -1,3-diossolano; 2- (7'-theophyllinemethyl) -1,3-dioxolane; 3,7-dihydro-7- (1,3-dioxolan-2-ylmethyl) -purine-6-dione; 7- (1,3-dioxolan-2-ylmethyl) -theophyllin; 7-
cas number: 69975-86-6
molecular formula: c11h14n4o4
molecular weight: 266.25
einecs no. 274-239-6
related categories: respiratory system medicine; medicine and biochemistry; respiratory system medicine; antiasthmatic drugs; drugs; other organic reagents; cell biology; api; zyrtec; respiratory system; plant extracts; small molecule inhibitors; ;ketone
mol file: 69975-86-6.mol
doxofylline
dodo theophylline properties
mp 144-146 ° c
rtecs number xh5135000
solubility in water
merck 14,3438
cas database 69975-86-6 (cas database reference)
doxofylline use and synthesis method
chemical properties of crystalline, melting point 144-145.5 ℃. soluble in water, acetone, ethyl acetate, benzene, chloroform, dioxane, hot methanol or hot ethanol, and some insoluble in ether or petroleum ether. acute toxicity ld50 mice (mg / kg): 841 orally, 215.6 intravenously. acute toxicity ld50 rat (mg / kg): 1022.4 orally, 445 ip.
use asthma cough medicine. for bronchial asthma, bronchospasm with lung disease.
use antiasthmatic drugs for antitussive, asthma and so on
production methodsophylline dissolved in boiling water, sodium hydroxide and 3-chloro-1,2-propanediol, refluxed. recrystallization from ethanol after evaporation of water gave compound (i) in 95% yield.
the compound (i) is dissolved in water and added with equimolar hio4 2h2o while stirring, and stirred. the solid was collected by filtration and recrystallized from ethanol to give theophylline acetaldehyde in 70% yield.
theophylline acetaldehyde, ethylene glycol and p-toluenesulfonic acid reflux dehydration in benzene to give more theophylline, the yield of 70%.
our main business covers the fields below:
1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.pharmaceutical intermediates
packing:
about us
1.more than 10 years chemical exporting experience
we have produced chemical more than fifteen years., 80% products are for export .
more than 10 years chemical exporting experience. good and stabilized factory price.
2.strict quality control system
3.supply sample
before order , we can send the sample for your testing . we ensure the quality is the same as bulk quantity .
delivery:
our advantage:
q1:can i get the free sample
a: yes, we can supply the free sample, but the shipping cost be paid by our customers.
q2: how to start orders or make payments
a: proforma invoice will be sent first after confirmation of order, enclosed our bank information.
payment by t/t, or paypal or l/c.
q3: how to confirm the product quality before placing orders
a:you can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
you can send us your product specifications and requests,we will manufacture the products according to your requests.
q4:what’s your moq
a:usually according you demand.
q5: how about delivery leadtime
a:delivery lead time: as soon as possible. (chinese holiday not included)
q6:is there a discount
a:different quantity has different discount.
q7: how to contact us
a:you can chat with us by trademanager,email,whatsapp,wechat.
you can choose your interested products and send inquiry to us.
you can dial our telephone directly, you will get our reply.
our factory
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