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Detail of > 43200-81-3

  • CAS Number:
  • 43200-81-3
  • Name:

  • 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

  • Formula:
  • C11H7ClN4O2
  • Molecular Structure:
  • Synonyms:
  • 6-(5-Chloropyrid-2-yl)-5-hydroxy-7-oxo-5,6-dihydropyrrolo[3,4-b]pyrazine;RP29307;5H-Pyrrolo[3,4-b]pyrazin-5-one,6-(5-chloro-2-pyridinyl)-6,7-dihydro-7-hydroxy-;
  • Molecular Weight:
  • 262.65
  • EINECS:
  • 256-139-4
  • Density:
  • 1.653 g/cm3
  • Melting Point:
  • 240.5-241.5 °C
  • Boiling Point:
  • 525.2 °C at 760 mmHg
  • Flash Point:
  • 271.5 °C
  • Appearance:
  • Yellow crystalline powder

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CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-oneCompetitive Product

Assay:＞99%
6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one Single most impurity：＜1%
Jiangsu Haohan
China (Mainland)   2008
  • Tel:86+18606177916
  • Address:Liberation Road S.High-tech innovation centre

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-oneCompetitive Product

Cas No.:43200-81-3 Chemical name:6-(5-Chloro-2-Pyridyl)-6,7-Dihydro-7-Hydroxy-5h-Pyrrolo [3,4-B]Pyrazin-5-One Application:intermediateII of Zopiclone ----------More details, please contact us.
Tocopharm Co., Ltd.
China (Mainland)   2488
  • Tel:+86-021-2874-8886
  • Address:No.80 Yichuan Rd., Putuo District,Shanghai,P.R.China

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Anhui Charm Imp.&Exp.Co., Ltd
China (Mainland)   1204
  • Tel:86 551 5316260
  • Address:No. 211,XiangZhang Road,Hefei City,Anhui Province,China
MSN:andrewliuchn@hotmail.com

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

43200-81-3
Jinan Wedo Industrial Co., Ltd.
China (Mainland)   3084
  • Tel:+86-531-88873473
  • Address:No.36, Gongyenan Road, Jinan China
MSN:wedochem@hotmail.com

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

MF:C20H23N MW:277.4 FP:230℉
Taiyuan RHF CO., ltd.
China (Mainland)   2912
  • Tel:0351-7436719
  • Address:Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi
MSN:zhuofang.2008@hotmail.com

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Hangzhou Dayangchem Co., Ltd.
China (Mainland)   ISO  4490
  • Tel:+86-571-88938639
  • Address:B/2601 Fuli Building, 328# WenEr Rd. Hangzhou City 310012 China

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Product name: 6-(5-Chloro-2-pyperidinyl)-6,7-dihydro-7-hydroxy-5H-Pyrrolo[3,4-b]pyrazin-5-one Cas No: 43200-81-3
tianjin xintaimei chemical co, ltd.
China (Mainland)   1984
  • Tel:86- 022-60501183
  • Address:Tianjin
MSN:info@xtmchem.com

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Assay:98%
TAIZHOU SHASIN PHARMACHEM CO.,LTD
China (Mainland)   1792
  • Tel:0086-576-88525005, 88880039
  • Address:B Area. 10 Floor.Yaodadasha. 289#.Shifu Road.Taizhou.Zhejiang.China

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

FOR ZOPICLONE
Xiamen Kaijia Imp & Exp Co., Ltd.
China (Mainland)   2814
  • Tel:86-592-5602533
  • Address:Room406 Luhui Building No. 65 Haitian Road Huli Xiamen,China.

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Category: Pharmaceutical Intermediates CAT: 50119 Product Name Intermediate II for Zopiclone Chemcial Name :6-(5-CHLOROPYRIDIN-2-YL)-5-HYDROXY-7-OXO-5,6-DIHYDROPROLO(3,4B)PYRAZINE; 6-(5-CHLORO-PYRIDIN-2-YL)-7-HYDROXY-6,7-DIHYDRO-PYRROLO3,4-BPYRAZIN-5-ONE; 6-(5-chloro-2-pyr
Hangzhou Kinsey Bio-tech Co.,Ltd
China (Mainland)  
  • Tel:+86-571-85318381-8009
  • Address:1207,Taihe International Mansion, No.1 Building 168Chaohui Road

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

CAT: 50119 Product Name: Intermediate II for Zopiclone CAS No: 43200-81-3 MF: C11H7ClN4O2 MW: 262.65 Appearance: Light yellow powder Melting point: 240-243 °C Purity: 98% min. Package: 100g(sample); 1kg/bag; 20 kg/drum
Shanghai Medpep Co., Ltd
China (Mainland)   6
  • Tel:8621-65566949
  • Address:Rm.304, No.4Building, Lane 20 Xiangyin Road

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

98%min
Zhejiang Huangyan Dongsheng Pharm Chem Co., Ltd.
China (Mainland)   6
  • Tel:86-576-84292571
  • Address:21 Shangsi Rd. Huangyan Taizhou, Zhejiang, China

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Zopiclone/ZPL intermediate
China Aroma Chemical Co., Ltd
China (Mainland)  
  • Tel:0086-571-87229691
  • Address:Floor 19, No. 138 Jiefang Road, Hangzhou, Zhejiang, China

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

43200-81-3
CUCHEM
China (Mainland)   2
  • Tel:+86-519-85193679
  • Address:5F, Flat B, Xingbei Bldg., No. 391, Tongjiang Road

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Nanjing Kinglion Pharmachem. Co., Ltd.
China (Mainland)   12
  • Tel:+86-25-83585046
  • Address:No.118 Tangquan Industrial development Zone, Pukou , Nanjing, P.R.China

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

NINGBO HI-TECH BIOCHEMICALS CO., LTD
China (Mainland)   826
  • Tel:+86-574-27711846
  • Address:13FA08 World Trade Center，DONGDU ROAD 29#, NIINGBO 315000 CHINA

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Hangzhou Oriental Pharm-Tech CO.,LTD
China (Mainland)   20
  • Tel:+86-571-28990389/28990390
  • Address:RM 712, B-3TH, THE WEST LAKE PLAZA OF INTERNATIONAL SCIENCES TECHNOLOGY BUILDING, 392 WEN’ER WESTERN ROAD, HANGZHOU, CHINA

CAS No. 

43200-81-3 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one

Zhejiang Sunrise Fine Chemicals Co.,Ltd
China (Mainland)  
  • Tel:86-574-87970875
  • Address:22nd Fl.East Sea Sunshine Building No.455 Zhongshan East Rd.Ningbo 315040 China
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