ChemicalBook >> CAS DataBase List >>(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione

(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione

CAS No.
171489-03-5
Chemical Name:
(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
Synonyms
Tadalafil Catechol;Tadalafil IMpurity K;Tadalafil Impurity 43;Tadalafil Impurity 48;DesMethylene Tadalafil;Tadalafil IMpurity: IMpurity I;Tadalafil Desmethylene Impurity;(6R,12aR)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione;(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione;(6R,12aR)-6-(3,4-Dihydroxyphenyl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione
CBNumber:
CB32620915
Molecular Formula:
C21H19N3O4
Molecular Weight:
377.39
MDL Number:
MOL File:
171489-03-5.mol
Last updated:2024-04-25 17:59:01

(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione Properties

Melting point >215°C (dec.)
Boiling point 735.3±60.0 °C(Predicted)
Density 1.56±0.1 g/cm3(Predicted)
storage temp. Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility DMSO (Sparingly), Methanol (Slightly)
pka 9.58±0.10(Predicted)
form Solid
color Off-White to Light Pink
Stability Hygroscopic
FDA UNII 15IBL77N0L

(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TRC D291990 DesmethyleneTadalafil 171489-03-5 5mg $215 2021-12-16 Buy
Usbiological 008613 Desmethylene Tadalafil 171489-03-5 5mg $496 2021-12-16 Buy
Medical Isotopes, Inc. 64170 DesmethyleneTadalafil 171489-03-5 50mg $2400 2021-12-16 Buy
Product number Packaging Price Buy
D291990 5mg $215 Buy
008613 5mg $496 Buy
64170 50mg $2400 Buy

(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione Chemical Properties,Uses,Production

Chemical Properties

Off-White to Pale Pink Solid

Uses

Tadalafil. A phosphodiesterase 5 inhibitor.

(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 34)Suppliers
Supplier Tel Email Country ProdList Advantage
Hubei Jusheng Technology Co.,Ltd.
18871490254 linda@hubeijusheng.com CHINA 28180 58
Standardpharm Co. Ltd.
86-714-3992388 overseasales1@yongstandards.com United States 14336 58
GIHI CHEMICALS CO.,LIMITED
+8618058761490 info@gihichemicals.com China 50000 58
China National Standard Pharmaceutical Corporation Limited
+8615391658522 overseasales@yongstandards.com China 11927 58
ShenZhen H&D Pharmaceutical Technology Co., LTD
+8613627253706 sale@hdimpurity.com China 1910 58
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788 jkinfo@jkchemical.com China 94838 76
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32344 50
Shanghai TaoSu Biochemical Technology Co., Ltd. 021-33632979 info@tsbiochem.com China 8073 58
ChemStrong Scientific Co.,Ltd 0755-0755-66853366 13670046396 sales@chem-strong.com China 17994 56
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9911 50

View Lastest Price from (6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Tadalafil Catechol pictures 2024-04-25 Tadalafil Catechol
171489-03-5
US $0.00-0.00 / mg 10mg 0.98 10g ShenZhen H&D Pharmaceutical Technology Co., LTD
  • Tadalafil Catechol pictures
  • Tadalafil Catechol
    171489-03-5
  • US $0.00-0.00 / mg
  • 0.98
  • ShenZhen H&D Pharmaceutical Technology Co., LTD
(6R,12aR)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione (6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione DesMethylene Tadalafil Tadalafil IMpurity: IMpurity I Tadalafil IMpurity K Tadalafil Desmethylene Impurity Tadalafil Catechol Pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione, 6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)- Tadalafil Impurity 48 Tadalafil Impurity 43 (6R,12aR)-6-(3,4-Dihydroxyphenyl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione 171489-03-5 Inhibitors, Pharmaceuticals, Intermediates & Fine Chemicals