Phthalic-d4 Anhydride CAS 75935-32-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 75935-32-9 |
| Molecular Formula | C8D4O3 |
| Molecular Weight | 152.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phthalic-d4 Anhydride (CAS 75935-32-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8D4O3. Molecular weight: 152.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8D4O3 |
| Molecular Weight | 152.14 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 methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
Related Phthalic Standards
- Phthalic anhydride-<SUP>13</SUP>C<SUB>6</SUB> (CAS 1173019-01-6)
- Phthalic Acid Anhydride-13C2 (CAS 1239918-30-9)
- Phthalic Anhydride (CAS 85-44-9)
- Phthalic Acid (CAS 88-99-3)
- Phthalic Acid-13C2 (CAS 254110-94-6)
- Phthalic-13C Acid (CAS 70838-83-4)
- Phthalic-3,4,5,6-d4 Acid (CAS 87976-26-9)
- Phthalic-13C6 Acid (CAS 1313734-99-4)
Recommended Standards
- N-Butyl difluoroacetate (CAS 368-35-4)
- Ethyl 3,3-difluorobutanoate 3,3-Difluorobutyric acid ethyl ester 2368-93-6 (CAS 2368-93-6)
- Ethyl 2,2-difluorobutanoate (CAS 2368-92-5)
- Allyldiphenyl(prop-1-en-2-yl)phosphonium bromide (CAS 201160-14-7)
- 1-Methyl-2,6-dioxo-N-(4-(trifluoromethyl)phenyl)-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 338774-76-8)
- Methyl 3-(tert-butoxycarbonyl-(octyl)amino)propanoate (CAS 1823259-00-2)
- n-(3-Methoxypropyl)-4-methylcyclohexan-1-amine (CAS 55611-93-3)
- 7-Chloro-6-methyl-1,3,4,5-tetrahydrobenzo[b][1,6]naphthyridin-10(2H)-one (CAS 1338658-76-6)
- 1-Butylazepan-2-one (CAS 19090-89-2)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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