2,8,12,18-Tetraethyl-3,7,13,17-tetramethyl-21H,23H-porphine CAS 448-70-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 448-70-4 |
| Molecular Formula | C32H38N4 |
| Molecular Weight | 478.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,8,12,18-Tetraethyl-3,7,13,17-tetramethyl-21H,23H-porphine (CAS 448-70-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C32H38N4. Molecular weight: 478.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C32H38N4 |
| Molecular Weight | 478.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Tetraethyl Standards
- Tetraethyl (1-fluoro-3-(phenylsulfonyl)propane-1,1-diyl)bis(phosphonate) (CAS 1309929-21-2)
- (S)-Tetraethyl (6,6'-dimethoxy-[1,1'-biphenyl]-2,2'-diyl)bis(phosphonate) (CAS 145265-38-9)
- Tetraethyl 5,5'-methylenebis(3-methyl-1H-pyrrole-2,4-dicarboxylate) (CAS 5431-96-9)
- Tetraethyl (1-(4-(benzyloxy)phenoxy)ethane-1,1-diyl)bis(phosphonate) (CAS 147875-57-8)
- Tetraethyl ([2,2'-bipyridine]-4,4'-diylbis(methylene))bis(phosphonate) (CAS 176220-38-5)
- tetraethyl (4,4'-diamino-[1,1'-biphenyl]-3,3'-diyl)bis(phosphonate) (CAS CATO-C3D-262415)
- Tetraethyl ranelate (CAS 58194-26-6)
- Tetraethyl ([1,1'-biphenyl]-4,4'-diylbis(methylene))bis(phosphonate) (CAS 17919-34-5)
Recommended Standards
- N,N-Dimethyl-4-(2-(2-(octyloxy)phenyl)-6-phenylpyridin-4-yl)aniline (CAS 144190-25-0)
- Etioporphyrin I (CAS 448-71-5)
- 2,3,4-Tri-O-acetyl-α-D-glucuronic acid methyl ester, trichloroacetimidate, 97% (CAS 92420-89-8)
- 7-(Chloromethyl)-3-ethylquinolin-2(1H)-one (CAS 2855981-24-5)
- 1-[6-(Trifluoromethyl)pyridin-3-yl]piperidine-4-carboxylic acid (CAS 1823183-74-9)
- Amiodarone Didesethyl HCl (CAS 757220-04-5)
- (R)-2-(1-Hydroxyethyl)pyrimidin-4(1H)-one (CAS 299397-13-0)
- 3-(Furan-2-yl)-1,2-oxazol-5-ol (CAS 1354938-76-3)
- 4-Bromo-n-(3-isopropoxypropyl)benzenesulfonamide (CAS 880314-71-6)
- Palmitoyl Tripeptide-5 TFA (CAS 623172-55-4（free base）)
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