Cholic Acid Impurity 49 CAS 691519-36-4
| CAS No. | 691519-36-4 |
| Molecular Formula | C26H44O4 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Cholic Acid Impurity 49 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
As a process- or degradation-related impurity, Cholic Acid Impurity 49 (CAS 691519-36-4, N/A) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Cholic Acid Impurity 49 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Physical & Chemical Properties
| Molecular Formula | C26H44O4 C24H38O4 C21H25AO4 |
| Molecular Weight | 1152.62 g/mol |
| 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) | 18.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Cholic Standards
- Cholic Acid Impurity 59 (CAS 10190-22-4)
- Cholic Acid Impurity 58 (CAS 105227-28-9)
- Cholic Acid Impurity 69 (CAS 105660-11-5)
- Cholic Acid Impurity N1 (3,7,22-Trihydroxyl-Cholanic Acid) (CAS 108266-90-6)
- Cholic Acid Impurity 25 (CAS 1093397-63-7)
- Cholic Acid Impurity 30 (CAS 1093397-66-0)
- Cholic Acid Impurity 79 (CAS 111137-23-6)
- Cholic-2,2,4,4-d4 Acid (CAS 116380-66-6)
Recommended Standards
- Atracurium Impurity 73 TFA salt (CAS CATO-C4X-185073)
- Bilastine impurity 122 (CAS 1215537-40-8)
- Erythromycin impurity 63 (CAS CATO-C4X-100163)
- Ethyl 2-[(chlorosulfonyl)(methyl)amino]acetate (CAS 1249246-15-8)
- N,1-Dimethyl-4-nitro-5-imidazolecarboxamide-d3 (CAS 1189907-32-1)
- 6-(4-Bromothiophen-3-yl)-n-methylpyrimidin-4-amine (CAS 1532232-61-3)
- 26544-38-7 Dihydro-3-(tetrapropenyl)furan-2,5-dione 2,5-Furandione, dihydro-3-(tetrapropenyl)- 2,5-Furandione, dihydro-3,3,4,4-tetra-1-propenyl- Succinic anhydride, (tetrapropenyl)- AI3-28007 Dihydro-3-(tetrapropenyl)-2,5-furandione DSA DSA (crosslinking agent) EINECS 247-781-6 RD 174 Tetrapropenylsuccinic anhydride EC 247-781-6 (CAS 26544-38-7)
- Doxazosin Impurity 2 (CAS 4739-94-0)
- 6-Amino-4-cyclopropoxypyridine-2-sulfonamide (CAS 1243357-70-1)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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 18665070610 / Nicole.chen@cato-chem.com