Tacrolimus Impurity 36 CAS 131944-48-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 131944-48-4 |
| Molecular Formula | C44H69NO12 |
| Molecular Weight | 804.02 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tacrolimus Impurity 36 (CAS 131944-48-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C44H69NO12. Molecular weight: 804.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C44H69NO12 |
| Molecular Weight | 804.02 g/mol |
| Purity | >95% |
| 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.) | 1994 |
| Nitrogen Atoms | 1 |
Related Tacrolimus Standards
- Tacrolimus (CAS 104987-11-3)
- Tacrolimus Impurity 15 (CAS CATO-C4X-130015)
- Tacrolimus Impurity 17 (CAS CATO-C4X-130017)
- Tacrolimus EP Impurity F (CAS 1393890-33-9)
- Tacrolimus EP Impurity G (CAS 144490-63-1)
- Tacrolimus Impurity 37 (CAS CATO-C4X-130037)
- Tacrolimus Impurity 38 (CAS CATO-C4X-130038)
- Tacrolimus Impurity 43 (CAS CATO-C4X-130043)
Recommended Standards
- Tacrolimus Impurity 47 (CAS CATO-C4X-130047)
- (E/Z)-FK-506 26,28-Allylic Ester Rearrangement Impurity (CAS CATO-C4X-130012)
- Tacrolimus Impurity 55 (CAS CATO-C4X-130055)
- Pazopanib Impurity 55 (CAS CATO-C4X-172555)
- Ezetimibe Ring-Opening Dehydrate Impurity (CAS 1292292-63-7)
- 5-(Bromomethyl)-1,2,3-trichlorobenzene (CAS 1261828-98-1)
- (E)-1-(2-Nitrovinyl)naphthalene (CAS 37630-26-5)
- 2,4-Bis(trifluoromethyl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine (CAS 911784-15-1)
- (3R)-3-amino-3-(4-chlorophenyl)propanamide hydrochloride (CAS 1384435-45-3)
- Semaglutide impurity 60 (CAS CATO-C4X-222660)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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