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Competitive Price for Corrosion Inhibitor For Cooling Water System - 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3 – JIN DUN
Use: Intermediate for Linagliptin. Use:Intermediate for Linagliptin Executive standard: enterprise standard Assay:98-102% Exterior:White to light yellow powder Package: 25kg/drum To analyze the existing linagliptin and its key intermediate 8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1-[(4-methyl -2-quinazolinyl)methyl)-1H-purine-2,6-dione (11) synthesis method, find a synthetic route suitable for industrial production. Method: summarize the different synthetic routes. Results and conclusio... -
Factory Cheap Hot Neuroleptic Medications - p-Tolylcarboxylic acid;4-Toluic acid ,99%;4-Carboxytoluene, p-Toluic acid; – JIN DUN
Description white or light yellow crystalline powder. Easily soluble in methanol and ether, hardly soluble in hot water, and can be volatilized with water vapor; phthalic acid is obtained by oxidation, which can be used as intermediates of medicine, photosensitive materials, pesticides, and organic pigments. Mainly used in the manufacture of hemostatic aromatic acid, p-formonitrile, p-toluoyl chloride, photosensitive materials, etc. It is used in organic synthesis intermediates and pesticide ... -
Hot sale 4-Acryloylmorpholine - 4-[4-[(5S)-5-(Aminomethyl)-2-oxo-3-oxazolidinyl]phenyl]-3-morpholinone Hydrochloride – JIN DUN
12.The intermediate 4-(4-aminophenyl)-3-morpholinone (1) of the anticoagulant rivaroxaban was prepared by two methods: ①Bromobenzene was successively reacted with ethanolamine and chloroacetyl chloride to obtain 4-benzene The morpholinone is then nitrated to reduce to 1, and the total yield is about 32%; ②Bromobenzene is first nitrated, and then reacted with ethanolamine to obtain 2-(4-nitroanilino)ethanol, which is then closed by chloroacetyl chloride. The reduction reaction produces 1, and ... -
One of Hottest for Types Of Antipsychotics - 3-Amino-4-pyrazole carbosamide hemisulfate – JIN DUN
Intermediate for the synthesis of allopurinol. It is one of the 3-amino-4-substituted pyrazole series. It can be used as an intermediate to synthesize many pharmacologically effective organic compounds, such as allopurinol, one of the pyrazolopyrimidine derivatives series, the latter since 1963 Since its clinical use, it has been the main drug for the treatment of gout. At present, there are few known methods for synthesizing 3-aminopyrazole-4-carboxamide hemisulfate in China, mainly by react... -
Special Price for Ziprasidone Mesylate - 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3 – JIN DUN
Use: Intermediate for Linagliptin. Use:Intermediate for Linagliptin Executive standard: enterprise standard Assay:98-102% Exterior:White to light yellow powder Package: 25kg/drum To analyze the existing linagliptin and its key intermediate 8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1-[(4-methyl -2-quinazolinyl)methyl)-1H-purine-2,6-dione (11) synthesis method, find a synthetic route suitable for industrial production. Method: summarize the different synthetic routes. Results and conclusio... -
High Quality for Risperidone Medicine - Hydroxypyrazolodpyrimidine pyrazolo(3,4-d)pyrimidin-1-ol – JIN DUN
It is clinically used in primary and secondary Hyperuricemia, especially in patients with hyperuricemia, as well as in patients with renal insufficiency, and in patients with recurrent or chronic gout, as well as in patients with Hyperuricemia. Used in patients with Gouty nephropathy to relieve symptoms and reduce the formation of renal uric acid stones; gout stones; used in uric acid kidney stones and uric acid kidney disease. This product and its metabolites can inhibit xanthine oxidase, so... -
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Super Purchasing for Diy Crystal Glue Jewelry - Hydroxypyrazolodpyrimidine pyrazolo(3,4-d)pyrimidin-1-ol – JIN DUN
It is clinically used in primary and secondary Hyperuricemia, especially in patients with hyperuricemia, as well as in patients with renal insufficiency, and in patients with recurrent or chronic gout, as well as in patients with Hyperuricemia. Used in patients with Gouty nephropathy to relieve symptoms and reduce the formation of renal uric acid stones; gout stones; used in uric acid kidney stones and uric acid kidney disease. This product and its metabolites can inhibit xanthine oxidase, so... -
New Arrival China Β-Cyclodextrin - 6-tetra-O-acteyl-1-C-[4-chloro-3-[[4-[[(3S)-tetrahydrofu-ran-3-yl]oxy]phenyl] – JIN DUN
This product is a light yellow film-coated tablet, white or almost white after removing the coating. Indications This product is suitable for the treatment of type 2 diabetes. Monotherapy This product is used in conjunction with diet control and exercise to improve blood sugar control in patients with type 2 diabetes. Used in combination with metformin hydrochloride When metformin hydrochloride alone cannot effectively control blood sugar, this product can be used in combination with metformi... -
Factory made hot-sale Photoinitiators For Uv Curing - 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3 – JIN DUN
Use: Intermediate for Linagliptin. Use:Intermediate for Linagliptin Executive standard: enterprise standard Assay:98-102% Exterior:White to light yellow powder Package: 25kg/drum To analyze the existing linagliptin and its key intermediate 8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1-[(4-methyl -2-quinazolinyl)methyl)-1H-purine-2,6-dione (11) synthesis method, find a synthetic route suitable for industrial production. Method: summarize the different synthetic routes. Results and conclusio... -
OEM/ODM Factory Wastewater Pollution - Entecavir USP Impurity B;Aids098045;Aids-098045;Etv;Enticavir;EntikaweiPian; – JIN DUN
Entecavir(SQ 34676; BMS 200475)is selective and effective HBV Inhibitor. In HepG2 cells EC50 value is 3.75 nM. The latest anti-hepatitis B and anti-AIDS first-line drugs. Entecavir effect This product is a guanine nucleoside analog, which has an inhibitory effect on hepatitis B virus (HBV) polymerase. It can be phosphorylated into active triphosphate, and the half-life of triphosphate in the cell is 15 hours. By competing with HBV polymerase’s natural substrate deoxyguanosine triphosp... -
OEM/ODM China Distillation Water - Hydroxypyrazolodpyrimidine pyrazolo(3,4-d)pyrimidin-1-ol – JIN DUN
It is clinically used in primary and secondary Hyperuricemia, especially in patients with hyperuricemia, as well as in patients with renal insufficiency, and in patients with recurrent or chronic gout, as well as in patients with Hyperuricemia. Used in patients with Gouty nephropathy to relieve symptoms and reduce the formation of renal uric acid stones; gout stones; used in uric acid kidney stones and uric acid kidney disease. This product and its metabolites can inhibit xanthine oxidase, so...