Tacrolimus EP Impurity I CAS 104987-16-8
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 104987-16-8 |
| Molecular Formula | C44H67NO11 |
| Molecular Weight | 786.00 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tacrolimus EP Impurity I (CAS 104987-16-8) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C44H67NO11. Molecular weight: 786.00 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C44H67NO11 |
| Molecular Weight | 786.00 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
Related Tacrolimus Standards
- Tacrolimus Impurity 3 (CAS CATO-C4X-13003)
- Tacrolimus Impurity 54 (CAS CATO-C4X-130054)
- Tacrolimus Impurity 58 (CAS CATO-C4X-130058)
- Tacrolimus Impurity 52 (CAS CATO-C4X-130052)
- Tacrolimus Impurity 32 (CAS 129039-81-2)
- Tacrolimus 31 DMT (CAS 135635-47-1)
- Tacrolimus 15-DMT (CAS 151039-41-7)
- Tacrolimus 31-DMT (CAS 127984-76-3)
Recommended Standards
- CAS 129212-37-9 (CAS 129212-37-9)
- Allisartan Isoproxil Impurity 19 (CAS CATO-C4X-321719)
- Boc-Phe-D-Leu-Phe-D-Leu-Phe-OH (CAS 66556-73-8)
- Opicapone Impurity 44 (CAS CATO-C4X-240444)
- Sulfasalazine EP Impurity A (CAS 1391062-35-3)
- 7-Ethynylquinoline-3-carboxylic acid (CAS 1416560-88-7)
- 2-(3-Chloro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1628502-45-3)
- (Z)-1-(3-morpholino-5-(trifluoromethyl)pyridin-2-yl)ethan-1-one O-dimethylcarbamoyl oxime (CAS 860650-98-2)
- 3-(2-Aminopropyl)benzo[d]oxazol-2(3H)-one (CAS 1038353-99-9)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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