Tacrolimus impurity 68 CAS 1262804-11-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1262804-11-4 |
| Molecular Formula | C45H71NO12 |
| Molecular Weight | 818.04 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tacrolimus impurity 68 (CAS 1262804-11-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C45H71NO12. Molecular weight: 818.04 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C45H71NO12 |
| Molecular Weight | 818.04 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Tacrolimus Standards
- Tacrolimus Methyl Ether (CAS 124554-16-1)
- Tacrolimus Impurity 39 (CAS CATO-C4X-130039)
- Tacrolimus impurity 62 (CAS CATO-C4X-130062)
- Tacrolimus impurity 66 (CAS CATO-C4X-130066)
- Tacrolimus Hydroxy Acid Impurity (CAS 1700657-83-5)
- Tacrolimus 21-Carboxy Acid (CAS CATO-C4X-130029)
- Tacrolimus impurity 65 (CAS CATO-C4X-130065)
- Tacrolimus impurity 69 (CAS CATO-C4X-130069)
Recommended Standards
- Semaglutide impurity 64 (CAS CATO-C4X-222664)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
- Anamorelin Impurity 10 (CAS CATO-C4X-286910)
- Cilnidipine impurity 20 (CAS CATO-C4X-179620)
- Janagliflozin impurity 1 (CAS CATO-C4X-30321)
- 2,2-Difluoro-2-(5-methylpyridin-2-yl)ethan-1-ol (CAS 780769-39-3)
- Ethyl 2-methyl-2-(1H-pyrazol-3-yl)propanoate (CAS 2107504-57-2)
- Posaconazole Impurity 270 (CAS 55743-71-0)
- (2R,3R,4R,5R)-4-(((2S,3R,4S,5S,6R)-3,5-Dihydroxy-6-(hydroxymethyl)-4-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)oxy)-2,3,5,6-tetrahydroxyhexanal (CAS 41744-59-6)
- Glucagon-like peptide 2 (CAS 89750-15-2)
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