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 | Same Day | 2-3 Business Days | Other Lead Time |
Shipping Information
![]() |
---|---|---|---|---|---|
5G |
NT$2,520
|
10 | 0 | Contact Us |
* The above prices include freight cost, customs, and other charges to the destination except for products that need to be shipped by sea or dry ice. For details, please contact
our distributor
in Taiwan to order our product.
* The storage conditions are subject to change without notice.
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:
H.S.code* | 2934.99-000 |
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.