Tretinoin Impurity 29 CAS 129454-96-2
Purity ≥95%In StockPharmacopoeial Impurity Standards
| CAS No. | 129454-96-2 |
| Molecular Formula | C20H28O4 |
| Molecular Weight | 332.43 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tretinoin Impurity 29 (CAS 129454-96-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H28O4. Molecular weight: 332.43 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H28O4 |
| Molecular Weight | 332.43 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | ≥95% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related Tretinoin Standards
- Tretinoin Impurity 24 (CAS CATO-C4X-196924)
- Tretinoin EP Impurity F (4-Methoxy Retinoic Acid) (CAS 81121-20-2)
- Tretinoin Impurity 12 (CAS 3899-20-5)
- Tretinoin Impurity 10 (CAS CATO-C4X-196910)
- Tretinoin Impurity 8 (CAS CATO-C4X-19698)
- Tretinoin EP Impurity G (CAS 13100-69-1)
- 4-Oxo Tretinoin (4-Oxo Retinoic Acid) (CAS 38030-57-8)
- Tretinoin-d5 (CAS CATO-C4X-196937)
Recommended Standards
- Dehydroandrographolide (CAS 134418-28-3)
- Loxoprofen Impurity 54 (CAS CATO-C4X-148854)
- Carnosic Acid (CAS 3650-09-7)
- Nemonoxacin Impurity 31 (CAS CATO-C4X-312831)
- Cisatracurium Besilate EP Impurity K Besylate (CAS CATO-C4X-185017)
- 4-(benzyloxy)-N-{[1-(dimethylamino)cyclopentyl]methyl}-3,5-dimethoxybenzamide (CAS 363628-88-0)
- 2-[4-(1-aminoethyl)phenoxy]acetonitrile hydrochloride (CAS 1251924-23-8)
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-1-methyl-1H-imidazole-5-carboxamide (CAS 339012-13-4)
- Ethyl 2-((1H-indol-3-yl)thio)acetate (CAS 187030-05-3)
- C-Peptide（dog） (CAS 39016-05-2)
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