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ChemicalBook > Product Catalog >Biochemical Engineering >Nucleoside drugs >Nucleotides and their analogs >8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione Structure
CAS No.
666816-98-4
Chemical Name:
8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione
Synonyms
8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine;8-broMo-7-(but-2-yn-1-yl)-3-Methyl-1H-purine-2,6(3H,7H)-dione;8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione;3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine 8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione;Linagliptin INT1;8-BROMO-7-(BUT-2-YNYL);Linagliptin Impurity 36;Linagliptin Impurity 73;Iinagliptin Intermediate2;Linagliptin interMediateC
CBNumber:
CB22538943
Molecular Formula:
C10H9BrN4O2
Molecular Weight:
297.11
MOL File:
666816-98-4.mol
Modify Date:
2024/11/13 21:11:14
Request For Quotation

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione Properties

Melting point 285 °C
Density 1.71
storage temp. 2-8°C
solubility DMSO (Slightly), Methanol (Slightly)
form powder to crystal
pka 8.91±0.70(Predicted)
color White to Almost white
LogP 1.25 at 20℃
CAS DataBase Reference 666816-98-4

SAFETY

Risk and Safety Statements

Hazard statements  H412
Precautionary statements  P273-P501
HS Code  2933.99.8290

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemicals (India) B4454 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine 666816-98-4 200MG ₹5000 2022-05-26 Buy
TCI Chemicals (India) B4454 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine 666816-98-4 1G ₹14800 2022-05-26 Buy
Product number Packaging Price Buy
B4454 200MG ₹5000 Buy
B4454 1G ₹14800 Buy

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione Chemical Properties,Uses,Production

Chemical Properties

White powder

Synthesis

8-bromo-3-methyl-3,7-dihydro-1H-purine-2,6-dione (2.450 g, 10 mmol),1-bromo-2-butyne (1.596 g, 12 mmol), Sodium carbonate (1.590 g, 15 mmol), and 20mL of acetone was added to a 100mL flask. The reaction system was heated to 40 ° C, and the reaction was stirred for 4h. After the reaction was cooled to room temperature, suction filtration was performed, and the filter cake was washed with methanol to obtain a crude product as a pale yellow solid. The crude product was reconstituted with dichloromethane and cyclohexane. Yield 2.912 g of 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione. The yield was 98%, and the purity was 99.9%.8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione Preparation Products And Raw materials

Raw materials

8-Bromo-3-methyl-xanthine 1-BROMO-2-BUTYNE

Preparation Products

8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione Suppliers

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8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione 8-broMo-7-(but-2-ynyl)-3-Methyl-3,7-dihydropurine-2,6-dione 3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine 8-broMo-7-but-2-yn-1-yl-3-Methyl-3,7-dihydro-1H-purine-2,6-dione 8-BroMo-7-(2-butyn-a-yl)-3,7-dihydro-3-Methyl-1-1H-purine-2,6-dione Linagliptin interMediateC (R)-tert-butyl 1-(7-(but-2-ynyl)-3-Methyl-1-((4-Methylquinazolin-2-yl)Methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-ylcarbaMate 3-Methyl-7-(2-butin-1-yl)-8-broMoxanthine 1H-Purine-2,6-dione, 8-broMo-7-(2-butynyl)-3,7-dihydro-3-Methyl- Iinagliptin Intermediate2 Linagliptin INT1 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione/3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine 8-Bromo-7-(2- butynyl)-3,7-dihydro- 3-methyl-1H-pur ine-2,6-dion 8-BROMO-7-(BUT-2-YNYL) 8-bromo-7-(but-2-ynyl)-3-methyl-3,4,5,7-tetrahydro-1H-purine-2,6-dione 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1H-purine-2,6(3H 8- bromo -7-(2- butyne)-3- methyl xanthine 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2 8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-indole-2,6-dione Linagliptin Impurity 36 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dion 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine > 1H-Purine-2,6-dione, 8-bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl- 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione LINAGLIPTIN CAS 668270-12-0 INTERMEDIATES 8-bromo-7-(but-2-ynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione USP/EP/BP (2-(chloromethyl)-4-methylquinazoline)，8-bromo-7-(but-2-ynyl)-3-methyl-1H- purine-2,6(3H,7H)-dione Linagliptin intermediates，8-bromo-7-(but-2-ynyl)-3-methyl-1H- purine-2,6(3H,7H)-dione Linagliptin Impurity 73 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1Hpurin-2,6(3H,7H)-dione 8-bromo-7-but-2-yn-1-yl-3-methyl-3,7-dihydro-1H-purine-2,6-d... 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine]Q: What is 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine] Q: What is the CAS Number of 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine] Q: What is the storage condition of 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine] 8-BROMO-3-METHYL-7-BUT-2-YNYL XANTHINE 8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione 8-broMo-7-(but-2-yn-1-yl)-3-Methyl-1H-purine-2,6(3H,7H)-dione 8-Bromo-7-(2-butyn-1-yl)-3-methylxanthine 3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine 8-Bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1H-purine-2,6-dione 8-Bromo-7-But-2-Ynyl-3-Methyl-Purine-2,6-Dione / Linagliptin Intermediate Hydrazinecarbothioamide,N-(10-methoxyphenyl)- 8-bromo-7 -(2-butynyl) -3-methylxanthine 8-bromo-3-methyl-7-(prop-1-yn-1-yl)-1H-purine-2,6(3H,7H)-dione 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1H-purine-2,6(3 Linagliptin intermediate 8-bromo-7-but-2-yn-1-yl-3-methyl-3,7-dihydro-1H-purine-2,6-dione 8-Bromo-7-(2-butynyl)-3-methyl-1H-purine-2,6(3H,7H)-dione 8-BROMO-7-(BUT-2-YN-1-YL)-3-METHYL-1H-PURINE-2,6-DIONE 8-Bromo-7-but-2-ynyl-3-methyl-4,5-dihydropurine-2,6-dione 666816-98-4 666816-98-4