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
![(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 Structure](CAS/GIF/171489-03-5.gif)
- 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
- DesMethylene Tadalafil;Tadalafil Catechol;Tadalafil IMpurity K;Tadalafil Impurity 48;Tadalafil Impurity 43;Tadalafil IMpurity: IMpurity I;Tadalafil Desmethylene Impurity;(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2';(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2';(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
- CBNumber:
- CB32620915
- Molecular Formula:
- C21H19N3O4
- Molecular Weight:
- 377.39
- MDL Number:
- MOL File:
- 171489-03-5.mol
- MSDS File:
- SDS
Last updated:2026-04-21 10:31:43
| Product description | Number | Pack Size | Price |
| Desmethylene Tadalafil | 008613 | 5mg | $552 |
| Desmethylene tadalafil | WGA48903 | 10mg | $762 |
| Desmethylene tadalafil | WGA48903 | 25mg | $1429 |
| Desmethylene tadalafil | WGA48903 | 50mg | $1988.5 |
| Desmethylene Tadalafil 98% | AA00ADSX | 10mg | $107 |
| More product size | |||
(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(11)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Usbiological | 008613 | Desmethylene Tadalafil | 171489-03-5 | 5mg | $552 | 2026-06-03 | Buy |
| Biosynth | WGA48903 | Desmethylene tadalafil | 171489-03-5 | 10mg | $762 | 2026-06-05 | Buy |
| Biosynth | WGA48903 | Desmethylene tadalafil | 171489-03-5 | 25mg | $1429 | 2026-06-05 | Buy |
| Biosynth | WGA48903 | Desmethylene tadalafil | 171489-03-5 | 50mg | $1988.5 | 2026-06-05 | Buy |
| aablocks | AA00ADSX | Desmethylene Tadalafil 98% | 171489-03-5 | 10mg | $107 | 2026-05-28 | 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 Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 43)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| GIHI CHEMICALS CO.,LIMITED | +86-571-86217390; +8618058761490 | info@gihichemicals.com | China | 49859 | 58 |
| ShenZhen H&D Pharmaceutical Technology Co., LTD | +86-18627948422 | sale@hdimpurity.com | China | 3676 | 58 |
| TargetMol Chemicals Inc. | 13564774135 | marketing@targetmol.com | United States | 19950 | 58 |
| Sinco Pharmachem (ShenZhen) R&D Co., Ltd. | +86-18603013401 | jack.lin@sincopharmachem.com | China | 9999 | 58 |
| QUALITY CONTROL SOLUTIONS LTD. | +86-0755-66853366 +8613670046396 | export03@qcsrm.com | China | 24318 | 58 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Quality Control Solutions Ltd. | 0755-66853366 13670046396 | orders@qcsrm.com | China | 18188 | 56 |
| Shanghai Kewel Chemical Co., Ltd. | 021-64609169 18901607656 | greensnown@163.com | China | 9883 | 50 |
| Nanjing XiZe Biotechnology CO., Ltd. | 025-66023220 15250997978 | 1511893459@qq.com | China | 4756 | 55 |
| Hubei Yangxin Medical Technology Co., Ltd. | 15374522761 | 3003392093@yongstandards.com | China | 9995 | 55 |
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 | |
|---|---|---|---|---|---|---|---|---|
 |
2026-04-20 | Desmethylene Tadalafil
171489-03-5
|
$1520.00-2500.00 | 10g | TargetMol Chemicals Inc. | |||
 |
2026-03-12 | Tadalafil Catechol
171489-03-5
|
10mg | 0.98 | 10g | ShenZhen H&D Pharmaceutical Technology Co., LTD |
-
- Desmethylene Tadalafil
171489-03-5
- $1520.00-2500.00
- TargetMol Chemicals Inc.
-
- Tadalafil Catechol
171489-03-5
- 0.98
- ShenZhen H&D Pharmaceutical Technology Co., LTD
171489-03-5((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)Related Search:
(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
Tadalafil IMpurity: IMpurity I
Tadalafil IMpurity K
Tadalafil Desmethylene Impurity
Tadalafil Catechol
(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
Tadalafil Impurity 43
Tadalafil Impurity 48
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)-
(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2'
(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2'
DesMethylene Tadalafil
171489-03-5
Inhibitors, Pharmaceuticals, Intermediates & Fine Chemicals
