ChemicalBook >> CAS DataBase List >>(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
- CAS No.
- 171596-43-3
- Chemical Name:
- (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
- Synonyms
- TDF-LA-M1;Tadalafil-015-1S3S;Tadalafil Impurity 3;Tadalafil Impurity 1;Tadanafil Impurity 1;Tadalafil Impurity 32;Tadalafil Impurity 11;Tadalafil Impurity 134;Tadalafil Related Impuirty 6;Tadalafil Related Impurity 6
- CBNumber:
- CB32542875
- Molecular Formula:
- C20H18N2O4
- Molecular Weight:
- 350.37
- MDL Number:
- MOL File:
- 171596-43-3.mol
- MSDS File:
- SDS
Last updated:2025-07-14 15:27:00
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester Properties
| Melting point | 187-189 °C(Solv: methanol (67-56-1)) |
|---|---|
| Boiling point | 531.0±50.0 °C(Predicted) |
| Density | 1.359±0.06 g/cm3(Predicted) |
| storage temp. | Refrigerator |
| solubility | Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly) |
| form | Solid |
| pka | 16.87±0.60(Predicted) |
| color | Pale Yellow |
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester price More Price(19)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TRC | TRC-B200020-50MG | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl | 171596-43-3 | 50mg | $376 | 2026-06-03 | Buy |
| TRC | TRC-B200020-25MG | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl | 171596-43-3 | 25mg | $205 | 2026-06-03 | Buy |
| TRC | TRC-B200020-10MG | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl | 171596-43-3 | 10mg | $91 | 2026-06-03 | Buy |
| Usbiological | 003278 | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester | 171596-43-3 | 25mg | $531 | 2026-06-03 | Buy |
| aablocks | AA00ADDI | Methyl (1S,3S)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate 97% | 171596-43-3 | 50mg | $469 | 2026-05-28 | Buy |
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester Chemical Properties, Uses, Production
Chemical Properties
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester is Light Brown Foam Solid
Uses
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester is used in the preparation of pyrazinopyridoindole derivatives for their PDE5 inhibitory activity.



Synthesis of (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester from L-Tryptophan
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester Preparation Products And Raw materials
Global Suppliers ( 79)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Chemsky(shanghai)International Co.,Ltd. | 021-50135380 | shchemsky@sina.com | China | 32273 | 50 |
| S.Z. PhyStandard Bio-Tech. Co., Ltd. | 0755-83725681-603 | China | 4484 | 50 | |
| Shanghai Worldyang Chemical Co.,Ltd. | 021-56795766 | sales@worldyachem.com | China | 9475 | 58 |
| 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 | 4777 | 55 |
| Shanghai Xiang Xin Industrial Co., Ltd. | 021-50211651 13651607026; | sales@xxgmpharm.com | China | 499 | 58 |
| BOC Sciences | 16314854226 | info@bocsci.com | United States | 9909 | 65 |
| Shanghai SuperLan Chemcial Technique Centre | 0-2022843681 15618226720 | chaolaichem@foxmail.com | China | 9996 | 58 |
View Latest Price from (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
![]() |
2026-08-25 | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
171596-43-3
|
$70.00-700.00 | 1KG | 0.99 | 20 tons | Zibo Hangyu Biotechnology Development Co., Ltd | |
![]() |
2026-08-08 | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
171596-43-3
|
1KG | 98.0%+ | 5000KG | Hangzhou ICH Biofarm Co., Ltd | ||
![]() |
2020-01-13 | (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
171596-43-3
|
1g | 98%min | 1g-1kg | Career Henan Chemical Co |
-
![(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester pictures](/ProductImageEN/2023-10/Small/f2f02610-585c-4fd1-a0bb-b9ac38e4a0b6.png)
- (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
171596-43-3
- $70.00-700.00
- 0.99
- Zibo Hangyu Biotechnology Development Co., Ltd
-
![(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester pictures](/ProductImageEN/2023-07/Small/4012a698-85ed-432e-a0c5-8616592c09c7.gif)
- (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
171596-43-3
- 98.0%+
- Hangzhou ICH Biofarm Co., Ltd
-
![(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester pictures](https://img.chemicalbook.com/ProductImageEN/2020-1/Small/ea065bb0-7b53-4e62-8a08-e49d9884665d.jpg)
- (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
171596-43-3
- $0.10
- 98%min
- Career Henan Chemical Co
171596-43-3 ((1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester) Related Search:
(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(2,2-dichloroacetyl)
-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate
(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
Tadalafil KetolactaM
Tadalafil EP Impurity
Nortadalafil
Tadalafil iMpurity D
ent-Tadalafil
(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2-(dimethylglycyl)-2,3,4,9-tetrahydro-1H-pyrido [3,4-b]indole-3-carboxylate methyl
JLEQLXGZAIAEFX-VRQJEYPFSA-N
cis-ent-Tadalafil
(1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
(1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
1of4
Tadanafil Impurity 1
Methyl (1S,3S)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-β-c arboline-3-carboxylate
Tadalafil Related Impuirty 6
Tadalafil-015-1S3S
Tadalafil Impurity 32
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
(1S-cis)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
Methyl (1S,3S)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-2-c arboline-3-carboxylate
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester HCl
Tadalafil Impurity 1
Tadalafil Impurity 3
(1S,3S)-Methyl-1,2,3,4-tetrahydro-1-(3,4-Methylenedioxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate HYDROCHLORIDE
(1S,3S)-METHYL-1,2,3,4-TETRAHYDRO-1-(3,4-METHYLENEDIOXYPHENYL)-9H-PYRIDO[3,4-B]INDOLE-3-CARBOXYLATE
Tadalafil Impurity 11
Tadalafil impurity 17/(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
1H-Pyrido[3,4-b]indole-3-carboxylic acid, 1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-, methyl ester, (1S,3S)-
methyl (1S,3S)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate hydrochloride
Tadalafil intermediate I enantiomer
1H-Pyrido[3,4-b]indole-3-carboxylic acid,1-(1,3-benzodioxol-...
(1S,3S)-methyl 1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate? (Tadalafil Impurity)
TDF-LA-M1
Tadalafil Impurity 134
Methyl (1S,3S)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-β-c arboline-3-carboxylate
(1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl
Tadalafil Related Impurity 6
171596-43-3
Chiral Reagents
Inhibitors
Intermediates & Fine Chemicals
Pharmaceuticals




