(E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity CAS CATO-C4X-130012
| CAS No. | CATO-C4X-130012 |
| Molecular Formula | C44H69NO12 |
| Molecular Weight | 804.02 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity 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.
(E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity (CAS CATO-C4X-130012) is a certified pharmaceutical impurity reference standard with the molecular formula C44H69NO12 and a molecular weight of 804.02 g/mol.
Based on its molecular formula C44H69NO12, (E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 804.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C44H69NO12 |
| Molecular Weight | 804.02 g/mol |
| Purity | >90% |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Recommended Standards
- Tacrolimus (CAS 104987-11-3)
- Tacrolimus Impurity 15 (CAS CATO-C4X-130015)
- [Lys5,MeLeu9,Nle10]-Neurokinin A (4-10) Fragment (CAS 137565-28-7)
- Tacrolimus Impurity 17 (CAS CATO-C4X-130017)
- Flurbiprofen Impurity 92 (CAS CATO-C4X-144492)
- Trametinib Impurity N5 (CAS 1620017-29-9)
- Terbinafine Impurity N1 (CAS 83554-69-2)
- 2-(4-(3-Methyl-4H-1,2,4-triazol-4-yl)phenoxy)acetic acid hydrochloride (CAS 1209266-96-5)
- 4-Methyl-2-pyrrolidin-3-yl-pyrimidine-5-carboxylic acid amidedihydrochloride (CAS 1361112-05-1)
- (R)-2-((R)-3-((Methoxycarbonyl)disulfanyl)-2-(2-(3-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenoxy)acetamido)propanamido)-3-methylbutanoic acid (CAS 113787-92-1)
- N-{[3-(4-chlorophenyl)-1,2-oxazol-5-yl]methyl}-2,2,2-trifluoroacetamide (CAS 672951-48-3)
- 4,5-Difluoro-2-methoxybenzonitrile (CAS 425702-28-9)
- Methyl 3-(hydroxymethyl)tetrahydro-1H-pyrrolizine-7a(5H)-carboxylate (CAS 1788873-92-6)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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