Tacrolimus Impurity 27 CAS 104987-25-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 104987-25-9 |
| Molecular Formula | C50H83NO12Si |
| Molecular Weight | 918.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tacrolimus Impurity 27 (CAS 104987-25-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C50H83NO12Si. Molecular weight: 918.28 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C50H83NO12Si |
| Molecular Weight | 918.28 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Tacrolimus Standards
- Tacrolimus Impurity 40 (CAS CATO-C4X-130040)
- Tacrolimus Impurity 41 (CAS CATO-C4X-130041)
- Tacrolimus Impurity 42 (CAS CATO-C4X-130042)
- Tacrolimus impurity 49 (CAS CATO-C4X-130049)
- Tacrolimus impurity 50 (CAS CATO-C4X-130050)
- Tacrolimus Hydroxy Acid Impurity (CAS 1700657-83-5)
- Tacrolimus 21-Carboxy Acid (CAS CATO-C4X-130029)
- Tacrolimus impurity 65 (CAS CATO-C4X-130065)
Recommended Standards
- Aprocitentan impurity 3 (CAS CATO-C4X-33553)
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- Olmesartan Impurity 34 (CAS 116857-04-6)
- Neostigmine impurity 44 (CAS CATO-C4X-204244)
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- 5-Bromo-N-methylpyridine-3-sulfonamide (CAS 173999-19-4)
- (S)-2-[(Bis(3,5-bis(trifluoromethyl)phenyl)trimethylsilanyloxy)methyl]pyrrolidine (S)-2-[(Bis(3,5-bis(trifluoromethyl)phenyl)trimethylsilyloxy)methyl]pyrrolidine (S)-|A,|A-Bis[3,5-bis(trifluoromethyl)phenyl]-2-pyrrolidinemethanol trimethylsilyl ether (S)-|A,|A-[3,5-Bis(trifluoromethyl)phenyl]prolinol trimethylsilyl ether 848821-61-4 (CAS 848821-61-4)
- N-(2-Guanidinoethyl)isoquinoline-5-sulfonamide (CAS 91742-10-8)
- Insulin Degludec Impurity 10 (CAS CATO-C4X-215710)
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