Phthalic acid, bis-isobutyl ester D4 CAS 358730-88-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 358730-88-8 |
| Molecular Formula | C16H18D4O4 |
| Molecular Weight | 282.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phthalic acid, bis-isobutyl ester D4 (CAS 358730-88-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H18D4O4. Molecular weight: 282.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H18D4O4 |
| Molecular Weight | 282.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 2025 |
Related Phthalic Standards
- Phthalic Acid, Bis-Butyl Ester (CAS 84-74-2)
- Phthalic Acid, Bis-Iso-Butyl Ester (CAS 84-69-5)
- Phthalic Acid, Mono-2-Ethylhexyl Ester (CAS 4376-20-9)
- Phthalic acid, hexyl 4-methylpent-2-yl ester (CAS 109695-50-3)
- Phthalic Acid Mono-tetrahydrogeranyl Ester (CAS 297182-84-4)
- 1398065-94-5 Phthalic Acid 8-Methylnonyl Ester-d4 (CAS 1398065-94-5)
- Phthalic acid, bis-isopentyl ester D4 (CAS 1346597-80-5)
- Phthalic acid, bis-propyl ester D4 (CAS 358731-29-0)
Recommended Standards
- Sudan 2 D6 (naphthyl D6) (CAS 1014689-15-6)
- rac Mono(ethylhexyl) Phthalate-d4 (CAS 1276197-22-8)
- 1-Ethoxy-2,3-difluoro-4-(trans-4-propylcyclohexyl)benzene (CAS 174350-05-1)
- Dodecyl methanesulfonate (CAS 51323-71-8)
- Dicyclopropyl(phenyl)methanol (CAS 5689-19-0)
- 2,5-Dibromo-n-(1-methoxypropan-2-yl)benzenesulfonamide (CAS 1008970-31-7)
- [(S)-tol-binap rucl benzene]Cl (CAS 126085-10-7)
- Venlafaxine Impurity 35 (CAS CATO-C4X-143435)
- Propene-1,1-d2 (gas) (CAS 1517-49-3)
- Semaglutide impurity 269 (CAS CATO-C4X-2226269)
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