Pyrazole N-Demethyl Sildenafil (CAS 139755-95-6) — formula C21H28N6O4S, molecular weight 460.6; category organic chemicals.
Pyrazole N-Demethyl Sildenafil (CAS 139755-95-6) is a chemical raw material in the organic chemicals category. Its molecular formula C21H28N6O4S comprises 21 C, 28 H, 6 N, 4 O, 1 S atoms. Its molecular weight is about 460.6. Reported physicochemical data: LogP about 1.5. 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 | 139755-95-6 |
|---|---|
| Molecular Formula | C21H28N6O4S |
| Molecular Weight | 460.6 |
| LogP | 1.5 |
| Category | Organic Chemicals |
Pyrazole N-Demethyl Sildenafil is a carbon-based organic compound with CAS registry number 139755-95-6 and molecular formula C21H28N6O4S (molecular weight 460.6), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 139755-95-6
Its molecular formula C21H28N6O4S comprises 21 C, 28 H, 6 N, 4 O, 1 S atoms.
Also known as: Pyrazole N-Demethyl Sildenafil · 吡唑N-去甲基西地那非
Category: organic chemicals
The CAS registry number of Pyrazole N-Demethyl Sildenafil is 139755-95-6.
Molecular formula C21H28N6O4S, molecular weight 460.6.
It is also registered under: Pyrazole N-Demethyl Sildenafil, 吡唑N-去甲基西地那非.
Category: Organic Chemicals.
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 Pyrazole N-Demethyl Sildenafil (CAS 139755-95-6), compiled from public chemistry databases.
| CAS Registry Number | 139755-95-6 |
|---|---|
| PubChem CID | 135543792 |
| Molecular formula | C21H28N6O4S |
| IUPAC name | 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-3-propyl-2,6-dihydropyrazolo[4,3-d]pyrimidin-7-one |
| UNII (FDA) | P1243M9SVH |
| Molecular Weight | 460.6 |
|---|---|
| XLogP3 | 1.5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 8 |
| Rotatable Bond Count | 7 |
| Exact Mass | 460.18927457 |
| Monoisotopic Mass | 460.18927457 |
| Topological Polar Surface Area | 128 |
| Heavy Atom Count | 32 |
Pyrazole N-Demethyl Sildenafil; 139755-95-6; P1243M9SVH; UNII-P1243M9SVH; DTXSID00435176; 5-(2-Ethoxy-5-(4-methylpiperazin-1-ylsulfonyl)phenyl)-3-propyl-1,6-dihydro-7H-pyrazolo(4,3-d)pyrimidin-7-one; RefChem:177458; DTXCID90386002; Pyrazole N-Desmethyl Sildenafil; 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-3-propyl-2,6-dihydropyrazolo[4,3-d]pyrimidin-7-one; Sildenafil Impurity 170; SCHEMBL970; Pyrazole N-desmethylsildenafil; orb3025147; orb3028902; CHEMBL2016884
Pyrazole N-Demethyl Sildenafil · CAS 139755-95-6 · C21H28N6O4S. UNII P1243M9SVH.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 吡唑N-去甲基西地那非