产品
  • 产品
搜索

JML PHARMTECH CO., LTD

CUSTOMER SUPPORT

Jimmylee@jmlpharm.com

CONTACT US

+(86) 595-88013521

HOME >> PRODUCTS >>Pharmaceutical Intermediates >> 8-Bromo-7-But-2-Ynyl-3-Methyl-Purine-2,6-Dione / Linagliptin Intermediate 666816-98-4
详细说明

8-Bromo-7-But-2-Ynyl-3-Methyl-Purine-2,6-Dione / Linagliptin Intermediate 666816-98-4

98.5% up, EP/USP/BP
99% up by HPLC
收藏
  • Product Details

Product Information


Product name

8-Bromo-7-but-2-ynyl-3-methyl-purine-2,6-dione;

Linagliptin intermediate

CAS No.

666816-98-4

Molecular Formula

C10H9BrN4O2

Molecular Weight

297.111

Quality Standard

99% up by HPLC

Appearance

White powder


COA of 8-Bromo-7-but-2-ynyl-3-methyl-purine-2,6-dione 


ITEMS

SPECIFICATION

RESULT

Appearance

White powder

Conforms

Water content by KF

 0.50%

0.12%



Identity

IR:

Conforms to spectrum of the standard


Conforms

HPLC

Conforms to retention time of the standard


Conforms



Solvent residue by GC

Ethyl acetate  500ppm

67 ppm

Heptane  500ppm

55 ppm

Methanol  300ppm

23 ppm

Toluene  89ppm

ND

Acetonitrile  41ppm

ND

Residue on ignition

 0.10%

0.02%

Assay(By Anhydrous base)

99.0103.0%

99.89%



Usage                                                                                          


8-Bromo-7-but-2-ynyl-3-methyl-purine-2,6-dione is one of key intermediates of Linagliptin.

Physical properties of 8-Bromo-7-but-2-ynyl-3-methyl-purine-2,6-dione:

(1)ACD/LogP: 1.615;

(2)# of Rule of 5 Violations: 0;

(3)ACD/LogD (pH 5.5): 1.62;

(4)ACD/LogD (pH 7.4): 1.60;

(5)ACD/BCF (pH 5.5): 9.94;

(6)ACD/BCF (pH 7.4): 9.65;

(7)ACD/KOC (pH 5.5): 180.10;

(8)ACD/KOC (pH 7.4): 174.78;

(9)#H bond acceptors: 6 ;

(10)#H bond donors: 1;

(11)#Freely Rotating Bonds: 1;

(12)Polar Surface Area: 67.23 Å2;

(13)Index of Refraction: 1.694;

(14)Molar Refractivity: 66.441 cm3;

(15)Molar Volume: 173.014 cm3;

(16)Polarizability: 26.339×10-24 cm3;

(17)Surface Tension: 58.492 dyne/cm;

(18)Density: 1.717 g/cm3


We have a professional team specialized in custom developing & manufacturing pharmaceutical intermediates or APIs.

 CONTACT US

         QUANZHOU JML PHARMTECH CO., LTD


PHONE

+86-595-88013521

+86 15860782800

LOCATION

NO.999 Quanan Rd. (M), Qingyang Street, Jinjiang, Quanzhou, Fujian 362200, China

EMAIL
Jimmylee@jmlpharm.com

技术支持: 泉州世纪通锐信息技术有限公司 | 管理登录
×
seo seo