天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

ChemicalBook--->CAS DataBase List--->21253-58-7

21253-58-7

21253-58-7 Structure

21253-58-7 Structure
IdentificationBack Directory
[Name]

4-DeMethyltriMethopriM
[CAS]

21253-58-7
[Synonyms]

4-DeMethyltriMethopriM
4-(2,4-Diamino-pyrimidin-5-ylmethyl)-2,6-dimethoxy-phenol
2,4-diamino-5-(3',5'-dimethoxy-4'-hydroxybenzyl)-pyrimidine
Phenol, 4-[(2,4-diamino-5-pyrimidinyl)methyl]-2,6-dimethoxy-
[Molecular Formula]

C13H16N4O3
[MDL Number]

MFCD31536269
[MOL File]

21253-58-7.mol
[Molecular Weight]

276.29
Chemical PropertiesBack Directory
[Melting point ]

265-270 °C (decomp)
[Boiling point ]

567.4±60.0 °C(Predicted)
[density ]

1.339±0.06 g/cm3(Predicted)
[storage temp. ]

-20°C Freezer, Under Inert Atmosphere
[solubility ]

DMSO (Slightly, Heated), Methanol (Slightly)
[form ]

Solid
[pka]

9.88±0.25(Predicted)
[color ]

Off-White to Beige
Hazard InformationBack Directory
[Chemical Properties]

Beige Solid
[Uses]

4-Demethyltrimethoprim is an impurity of Trimethoprim (T795615), an antibacterial agent.
21253-58-7 suppliers list
Company Name: Career Henan Chemica Co
Tel: +86-0371-86658258 +8613203830695 , +8613203830695
Website: www.coreychem.com/
Company Name: Shanghai Scochem Technology Co., Ltd
Tel: +86-021-33758897 +86-13701882790 , +86-13701882790
Website: www.scochem.com
Company Name: LEAPCHEM CO., LTD.
Tel: +86-852-30606658
Website: www.leapchem.com
Company Name: TargetMol Chemicals Inc.
Tel: +8613564774135 , +8613564774135
Website:
Company Name: Amadis Chemical Company Limited
Tel: 571-89925085
Website: http://www.amadischem.com
Company Name: J & K SCIENTIFIC LTD.  
Tel: 010-82848833 400-666-7788
Website: http://www.jkchemical.com
Company Name: Chemsky（shanghai）International Co.,Ltd.  
Tel: 021-50135380
Website: www.shchemsky.com
Company Name: Shanghai TaoSu Biochemical Technology Co., Ltd.  
Tel: 021-33632979
Website: www.tsbiochem.com
Company Name: Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.  
Tel: 025-66113011 18112977050
Website: http://www.aikonchem.com
Company Name: Jinan SanZhi Pharmaceutical Technology Co., Ltd.  
Tel: 15053191807
Website: http://www.approvedhomemanagement.com/ShowSupplierProductsList19323/0.htm
Company Name: SHANGHAI FDC-CHEMICAL CO.,LTD  
Tel: 021-61469567 13482353728
Website: http://www.fdc-chemical.com/
Company Name: Nanjing the parson's chemical technology co., LTD  
Tel: 025-58786926 18951781718
Website: http://www.ypshx.com
Company Name: Shenzhen Polymeri Biochemical Technology Co., Ltd.  
Tel: +86-400-002-6226 +86-13028896684;
Website: https://www.rrkchem.com
Company Name: Energy Chemical  
Tel: 021-58432009 400-005-6266
Website: http://www.energy-chemical.com
Company Name: Shanghai Haohong Pharmaceutical Co., Ltd.  
Tel: 400-8210725 4008210725
Website: https://www.leyan.com/
Company Name: Bide Pharmatech Ltd.  
Tel: 400-1647117 13681763483
Website: www.bidepharm.com/
Company Name: TargetMol Chemicals Inc.  
Tel: 4008200310
Website: https://www.targetmol.cn/
Company Name: Henan Alpha Chemical Co., Ltd.  
Tel: 0371-55013243 15324716602
Website: http://www.approvedhomemanagement.com/supplier/24684125/
Tags:21253-58-7 Related Product Information