Cholesterol Impurity 39 CAS 17137-70-1
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 17137-70-1 |
| Molecular Formula | C29H48O2 |
| Molecular Weight | 428.69 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Cholesterol Impurity 39 (CAS 17137-70-1), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C29H48O2. Molecular weight: 428.69 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C29H48O2 |
| Molecular Weight | 428.69 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Cholesterol Standards
- Cholesterol For Parenteral Use EP Impurity F (CAS 604-35-3)
- Cholesterol Impurity 32 (CAS 51373-26-3)
- Cholesterol impurity 41 (CAS 1255-88-5)
- Cholesterol 3-Acetate-d7 (CAS 1345629-08-4)
- Cholesterol 7-hydroperoxide (CAS 2846-29-9)
- Cholesterol Impurity 12 (CAS 570-88-7)
- Cholesterol Impurity 40 (CAS 64907-24-0)
- Cholesterol Impurity 20 (CAS 1254-03-1)
Recommended Standards
- 2,4-Dichlorophenyl 2-(4-chlorophenyl)quinoline-4-carboxylate (CAS 355433-68-0)
- Tocopherol Impurity 4 (CAS 3808-26-2)
- N-(4-Bromo-3-methylphenyl)-1-(3-chloro-4-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 890892-74-7)
- Foritinib Impurity 15 (CAS CATO-C4X-331015)
- Buserelin EP Impurity C (CAS CATO-C4X-22123)
- 5-Methyl-2-(trimethylsilyl)pyridine (CAS 13737-09-2)
- Diisopropylamine hydrobromide (CAS 30321-74-5)
- 1-(3-(Benzyl(cyclopropyl)amino)piperidin-1-yl)-2-chloroethanone (CAS 1353944-72-5)
- tert-Butyl (R)-1,7-diazaspiro[4.4]nonane-1-carboxylate (CAS 2165623-83-4)
- Prolactin-Releasing Peptide (1-31) (rat) (CAS 215510-06-8)
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