Desmethyl Thiosildenafil CAS 479073-86-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 479073-86-4 |
| Molecular Formula | C21H28N6O3S2 |
| Molecular Weight | 476.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Desmethyl Thiosildenafil (CAS 479073-86-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H28N6O3S2. Molecular weight: 476.62 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H28N6O3S2 |
| Molecular Weight | 476.62 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |
Related Desmethyl Standards
- Methyl 6?-Desmethyl-4?-tosylmycophenolate (CAS 171808-04-1)
- Desmethyl Fluvoxamine-β-D-Glucuronide (CAS 89103-66-2)
- Desmethyl Thiosildenafil-d8 (CAS 1215321-44-0)
- Desmethyl Acridinium NHS Ester (CAS 87198-87-6)
- N-Desmethyl Loperamide-d3 (CAS 1189488-17-2)
- Desmethyl N-nitroso Linagliptin (CAS CATO-C4X-110195)
- N Desmethyl Ulipristal Acetate D3 (CAS CATO-C4X-191536)
- N-Desmethyl Asenapine N-Carbamoyl Glucuronide (CAS 128923-28-4)
Recommended Standards
- Niraparib Impurity 43 (CAS CATO-C4X-232943)
- Dicyclohexyl(9,10-dihydro-12-phenyl-9,10-ethenoanthracen-11-yl)phosphine (CAS 1166994-77-9)
- Niraparib Impurity 42 (CAS 1476776-92-7)
- 4-(2,4-Dichlorophenyl)-2-hydroxy-6-(4-methylphenyl)pyridine-3-carbonitrile (CAS 341964-42-9)
- 2,4,6-Tris(4-methoxyphenyl)pyrylium (CAS 47659-08-5)
- 5-Chloro-2-iodo-N-methylbenzamide (CAS 309253-42-7)
- 7-Bromo-3-benzofuranone (CAS 519018-52-1)
- (4-(Dimethylcarbamoyl)-3-fluorophenyl)boronic acid (CAS 874289-13-1)
- 2-Chloro-N-cyclopropyl-N-((3-methylthiophen-2-yl)methyl)acetamide (CAS 1353952-18-7)
- Allo-D-Ile27-Tirzepatide (CAS CATO-CPTD788961)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com