Maintenance Notice (4:00 AM - 9:00 AM August 24, 2025): This website is scheduled to be unavailable due to maintenance. We appreciate your patience and understanding.
Product Document Searching Made Easy by 2D Code! | [TCIPracticalExample] The Synthesis of α-Aminoamide Catalyzed...
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 171489-59-1 | Product Number: C3623
Chloropretadalafil
×
![]()
×
Purity: >98.0%(T)(HPLC)
Synonyms:
- Methyl (1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate
- (1R,3R)-1-(1,3-Benzodioxol-5-yl)-2-(chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
- Methyl (1R,3R)-1-(1,3-Benzodioxol-5-yl)-2-(chloroacetyl)-2,3,4,9-tetrahydro-1H-β-carboline-3-carboxylate
Product Documents:
| Size | Unit Price | Hyderabad | Japan* | Quantity |
|---|---|---|---|---|
| 5G |
₹7,400.00
|
2 | 8 |
|
*Upon orders receipt, Hyderabad stocks will be dispatched on the same day.
*Items available in Japan warehouse will be dispatched in 10-12 working days.
*INR price is exclusive of domestic taxes applicable.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
| Product Number | C3623 |
Purity / Analysis Method 
|
>98.0%(T)(HPLC) |
| Molecular Formula / Molecular Weight | C__2__2H__1__9ClN__2O__5 = 426.85 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Frozen (<0°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Air Sensitive,Heat Sensitive |
| CAS RN | 171489-59-1 |
| Reaxys Registry Number | 9443125 |
| PubChem Substance ID | 468591199 |
| MDL Number | MFCD04973633 |
Specifications
| Appearance | White to Light yellow powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Volumetric Analysis) | min. 98.0 % |
| Specific rotation | -117 to -123 deg(C=0.5, DMSO) |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 203 °C(dec.) |
GHS
Related Laws:
Transport Information:
Application
Chloropretadalafil: A Key Synthetic Intermediate of Tadalafil, a Selective PDE5 inhibitor
Chloropretadalafil is a key synthetic intermediate of tadalafil which is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5).
References
- The discovery of tadalafil: a novel and highly selective PDE5 inhibitor. 2: 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione analogue
- Improved synthesis of tadalafil
- Highly stereoselective Pictet-Spengler reaction of D-tryptophan methyl ester with piperonal: convenient syntheses of Cialis (Tadalafil), 12a-epi-Cialis, and their deuterated analogues
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.