1,4-Diphenyl-5,8-dihydro-5,8-methanophthalazine CAS 203982-88-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203982-88-1 |
| Molecular Formula | C21H16N2 |
| Molecular Weight | 296.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Diphenyl-5,8-dihydro-5,8-methanophthalazine (CAS 203982-88-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C21H16N2. Molecular weight: 296.37 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C21H16N2 |
| Molecular Weight | 296.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 2 |
Related Diphenyl Standards
- 2,4-Diphenyl-1H-benzo[b][1,4]diazepine (CAS 47301-30-4)
- 5-Methyl-2,3-diphenyl-1H-inden-1-one (CAS 65908-32-9)
- 1,3-Diphenyl-2-thioxodihydropyrimidine-4,6(1H,5H)-dione (CAS 35221-12-6)
- 4,4-Diphenyl-1-piperidinepropanol (CAS 35985-34-3)
- 4-(4,5-Diphenyl-1H-imidazol-2-yl)pyridine (CAS 13319-97-6)
- (3,5-Diphenyl-1H,3H,5H-oxazolo[3,4-c]oxazol-7a(7H)-yl)methanol (CAS 36778-78-6)
- 1,2-Diphenyl-1H-indole-3-carbaldehyde (CAS 29329-99-5)
- (2,2-Diphenyl-ethyl)-carbamic acid tert-butyl ester (CAS 182921-04-6)
Recommended Standards
- 1,4,5-Triphenyl-1H-pyrazole (CAS 36372-77-7)
- 2-(((5-Oxo-1-phenyl-2-thioxoimidazolidin-4-yl)methyl)thio)acetic acid (CAS 36301-90-3)
- 1,3,5-Triphenyl-1H-pyrazole (CAS 2183-27-9)
- 4-Fluoro-1-nitro-2-propoxybenzene (CAS 28987-45-3)
- n-(1-Benzylpyrrolidin-3-yl)-2-chloroacetamide hydrochloride (CAS 1170955-45-9)
- 1-(3-Bromophenyl)-2-(tert-butylthio)ethan-1-one (CAS 1152625-72-3)
- 2-(diethylamino)ethyl 3-amino-2-ethoxybenzoate (CAS 1909319-26-1)
- 2-Bromo-6-(bromomethyl)-3-nitropyridine (CAS 914224-02-5)
- N-(2-(dimethylamino)ethyl)-4-(2-ethylbutanoyl)-1H-pyrrole-2-carboxamide (CAS 439120-75-9)
- MCH-Gene-Overprinted-Polypeptide-14 (rat) (H-4746.0500) (CAS 182917-44-8)
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