Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 8-bromo-7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

853029-57-9

853029-57-9 structure

853029-57-9 structure

Name: 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione
Chemical Name: 8-bromo-7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione
CAS Number: 853029-57-9
Molecular Formula: C₂₀H₁₇BrN₆O₂
Molecular Weight: 453.292
Catalog: Pharmaceutical intermediate API intermediate
Create Date: 2018-04-11 08:00:00
Modify Date: 2026-07-12 09:13:55

Name	8-bromo-7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione
Synonyms	8-BroMo-7-(2-butyn-a-yl)-3,7-dihydro-3-Methyl-1-[(4-Methyl-2-quinazolinyl)Methyl]-1H-purine-2,6-dione Linaint-H 8-Bromo-7-(2-Butyn-1-Yl)-3,7-Dihydro-3-Methyl-1-[(4-Methyl-2-Quinazolinyl)Methyl]-1H-Purine-2,6-Dione / Linagliptin Intermediate 1-[(4-Methylquinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl) 8-bromoyanthine 1-[(4-METHYLQUINAZOLIN-2-YL)METHYL]-3-METHYL-7-(2 1H-Purine-2,6-dione,8-broMo-7-(2-butynyl)-3,7-dihydro-3-Methyl-1-[(4-Methyl-2-quinazolinyl)Methyl] 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione ISO 9001：2015 REACH 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquin-azolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-d Linagliptin Impurity 32 8-bromo-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-3,7-dihydro-1H-purine-2,6-dione 1H-Imidazole-4-cboxaldehyde,8-methyl Linagliptin Impurity 94 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dion 1-[(4-Methylquinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine 8-BroMo-7-but-2-ynyl-3-Methyl-1-(4-Methyquinazolin-2-ylMethyl)-3,7-dihydro-purine-2,6-dione Linagliptin intermediate 1-[(4-methylquinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine 8-BROMO-7-BUT-2-YNYL-3-METHYL-1-(4-METHYL-QUINAZOLIN-2-YLMETHYL)-3,7-DIHYDRO-PURINE-2,6-DIONE 853-9 1H-Purine-2,6-dione,8-bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl] 8-bromo-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl) 8-Broma-7 -( but-2-yn-1-yl)-3-methyl-1-[[4-methylquinazalin-2-ylimethiyl]-3,7-dihydra-1H-purine-2,6-dione 2-bromo-1-(but-2-ynyl)-4-methyl-6-((4-methylquinazolin-2-yl)methyl)-1H-imidazo[4,5-b]pyridine-5,7-(4H,6H)-dione Iinagliptin Intermediate3 Linagliptinmothernucleus Linagliptin-1 8-Bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione 8-BroMo-7-(but-2-yn-1-yl)-3-Methyl-1-((4-Methylquinazolin-2-yl)Methyl)-1H-purine-2,6(3H,7H)-dione X4789 8-brom-7- (2-butynyl-1-yl) -3,7-dihydro-3-methyl-1- [(4-methyl-2-quinazolino) methyl] -1H-purine-2,6-dione LIP-1A IMPURITY 8-bromo-7-(but-2-ynyl)-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-3,7-dihydro-purine-2,6-dione Linagliptin Related Compound-11 (Bromo compound) (2-(chloromethyl)-4-methylquinazoline)，8-Bromo-7-but-2-ynyl-3-methyl-1-(4- methyl-quinazolin-2-ylmethyl)-3,7- dihydro-purine-2,6-dione 8-bromo-7-(2-butynyl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione 8-Bromo-7-but-2-ynyl-3-methyl-1-(4-methyl-quinazolin-2-ylmethyl)-xanthine 8-broMo-7-(but-2-ynyl)-3-Methyl-1-((4-Methylquinazolin-2-yl)Methyl)-1H-purine-2,6(3H,7H)-dione 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine 1H-Purine-2,6-dione, 8-bromo-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl] Linagliptin interMediate F Linagliptin IntermediateLinagliptin Intermediate 1-[(4-methylquinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl 8-bromo-7-(2-butyne)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-xanthine 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(but-2-ynyl)-8-bromo-xanthine 8-Bromo-7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquin-azolin-2-yl)methyl)-1H-purine-2,6(3H,7H)-dion 1-[(4-Methylquinazolin-2-yl)Methyl]-3-Methyl-7-(2-butin-1-yl)-8-broMoxanthine 8- bromo -7-(2- butyn -1- yl) -3,7- dihydro -3- methyl -1-[(4- methyl -2- quinazolinyl) methyl ]-1H- purin -2,6- dione 1-[(4-methylquinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine 8-Bromo-7-but

Density	1.6±0.1 g/cm3
Boiling Point	602.9±65.0 °C at 760 mmHg
Molecular Formula	C₂₀H₁₇BrN₆O₂
Molecular Weight	453.292
Flash Point	318.4±34.3 °C
Exact Mass	452.059631
PSA	87.60000
LogP	3.96
Vapour Pressure	0.0±1.7 mmHg at 25°C
Index of Refraction	1.713
Storage condition	2-8°C

HS Code	2933990090

666816-98-4 structure

666816-98-4

109113-72-6 structure

109113-72-6

~95%

853029-57-9 structure

853029-57-9

Literature: WO2005/51950 A1, ; Page/Page column 18 ;

666816-98-4 structure

666816-98-4

~%

853029-57-9 structure

853029-57-9

Literature: Journal of Medicinal Chemistry, , vol. 50, # 26 p. 6450 - 6453

Precursor 2
666816-98-4 109113-72-6
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.