Tadalafil Impurity 20 (CAS 406938-39-4) — formula C19H16N2O4, molecular weight 336.3; category pharmaceutical intermediates and APIs.
Tadalafil Impurity 20 (CAS 406938-39-4) is a chemical raw material in the pharmaceutical intermediates and APIs category. Its molecular formula C19H16N2O4 comprises 19 C, 16 H, 2 N, 4 O atoms. Its molecular weight is about 336.3. Reported physicochemical data: LogP about 0.3. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 406938-39-4 |
|---|---|
| Molecular Formula | C19H16N2O4 |
| Molecular Weight | 336.3 |
| LogP | 0.3 |
| Category | Pharmaceutical Intermediates & APIs |
Tadalafil Impurity 20 is a pharmaceutical intermediate or API compound with CAS registry number 406938-39-4 and molecular formula C19H16N2O4 (molecular weight 336.3), belonging to the pharmaceutical intermediates and APIs segment of chemical raw materials.
CAS number: 406938-39-4
Its molecular formula C19H16N2O4 comprises 19 C, 16 H, 2 N, 4 O atoms.
Also known as: Tadalafil Impurity 20 · 他达那非杂质11
Category: pharmaceutical intermediates and APIs
The CAS registry number of Tadalafil Impurity 20 is 406938-39-4.
Molecular formula C19H16N2O4, molecular weight 336.3.
It is also registered under: Tadalafil Impurity 20, 他达那非杂质11.
Category: Pharmaceutical Intermediates & APIs.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Tadalafil Impurity 20 (CAS 406938-39-4), compiled from public chemistry databases.
| CAS Number | 406938-39-4 |
|---|---|
| PubChem CID | 830159 |
| Molecular Formula | C19H16N2O4 |
| IUPAC Name | (1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid |
| UNII (FDA) | E77NG787BS |
| Molecular Weight | 336.3 |
|---|---|
| XLogP3 | 0.3 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 336.11100700 |
| Monoisotopic Mass | 336.11100700 |
| Topological Polar Surface Area | 83.6 |
| Heavy Atom Count | 25 |
406938-39-4; (1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid; (1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid; 1H-Pyrido[3,4-b]indole-3-carboxylic acid, 1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-, (1R,3R)-; Tadalafil Impurity R; E77NG787BS; SCHEMBL1420308; SCHEMBL30151446; SCHEMBL30622287; AT35572; SY320359
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 他达那非杂质11