Ursodeoxycholic Acid impurity 72 CAS 2168516-46-7
| CAS No. | 2168516-46-7 |
| Molecular Formula | C25H40O6 |
| Molecular Weight | 436.58 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ursodeoxycholic Acid impurity 72.
CATO supplies Ursodeoxycholic Acid impurity 72 (CAS 2168516-46-7), a pharmacopoeial impurity reference standard (molecular formula C25H40O6, MW 436.58 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Ursodeoxycholic Acid impurity 72 (C25H40O6) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 436.58 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Ursodeoxycholic Acid impurity 72 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C25H40O6 |
| Molecular Weight | 436.58 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
Related Ursodeoxycholic Standards
- Ursodeoxycholic acid impurity 56 (CAS 15073-99-1)
- Ursodeoxycholic Acid Impurity 109 (CAS CATO-C4X-1422109)
- Ursodeoxycholic Acid impurity 90 (CAS CATO-C4X-142290)
- Ursodeoxycholic Acid Impurity 130 (CAS 63060-59-3)
- Ursodeoxycholic Acid impurity 75 (CAS 1516887-32-3)
- Ursodeoxycholic Acid Impurity 121 (CAS CATO-C4X-1422121)
- Ursodeoxycholic Acid Impurity 2(Glycoursodeoxycholic Acid) (CAS 64480-66-6)
- Ursodeoxycholic acid impurity 24 (CAS 640-79-9)
Recommended Standards
- UVI3003 (CAS 847239-17-2)
- Lovastatin Impurity 36 (CAS CATO-C4X-168436)
- Rel-1-(((3aS,4S,6aR)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl)-1-nitrosourea (CAS 30002-86-9)
- N,N’-Diacetyl-L-cystine bis(tert-butyl) diester (CAS 1079950-07-4)
- Tamsulosin Impurity 42 (CAS 94-71-3)
- Des-G impurity (CAS CATO-CPTD789029)
- Cefpirome Impurity 22 (CAS CATO-C4X-120722)
- Ethyl 1-(2-fluorophenyl)-1H-pyrazole-5-carboxylate (CAS 1246555-47-4)
- 4-Methyl-1-acetoxycalix[6]arene (CAS 141137-71-5)
- 3-(2-Fluorobenzyl)-1H-pyrazolo[4,3-b]pyridine, 97% (CAS 1011527-96-0)
- 2-Amino-4-morpholinobutanoic acid hydrochloride (CAS 1230988-94-9)
- 6-Hexadecanoylamido-4-Methylumbelliferone (CAS 99422-73-8)
- (4-Fluorophenyl)(4-(piperidin-1-ylmethyl)phenyl)methanone (CAS 898771-43-2)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
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