Diammoniumphthalate CAS 523-24-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 523-24-0 |
| Molecular Formula | C23H32O7 |
| Molecular Weight | 420.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Diammoniumphthalate (CAS 523-24-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C23H32O7. Molecular weight: 420.50 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C23H32O7 |
| Molecular Weight | 420.50 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
- DGAT1 Inhibitor 2 (CAS 942999-61-3)
- Edoxaban Impurity 73 (CAS 365998-33-0)
- AZ31 (CAS 2088113-98-6)
- 2-(4-Chlorophenyl)-n-methyl-2-(methylamino)acetamide (CAS 1025448-42-3)
- 4-Chloro-2,5-difluoropyridine (CAS 851386-40-8)
- 3-Chloro-2-phenylpyridine (CAS 634198-21-3)
- 2-(2,3-dihydro-1-benzofuran-5-yl)ethan-1-amine (CAS 454483-94-4)
- 7-(((3-Amino-1,2,4-thiadiazol-5-yl)sulfonyl)methyl)-5-chloroquinolin-8-ol (CAS 922505-49-5)
- 4-(2-((4-Allyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamido)benzamide (CAS 618880-17-4)
- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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