Calcium Levofolinate EP Impurity I Calcium salt CAS 1148151-21-6
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 1148151-21-6 |
| Molecular Formula | C20H21N7O6 Ca |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Calcium Levofolinate EP Impurity I Calcium salt (CAS 1148151-21-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H21N7O6 Ca. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H21N7O6 Ca |
| Molecular Weight | 495.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 7 |
Related Calcium Standards
- Calcium Levofolinate Pentahydrate - Impurity G (Dihydrate Salt) (CAS 207226-40-2)
- Calcium Levofolinate EP Impurity F(Calcium salt) (CAS 28459-40-7(free base))
- Calcium Levofolinate EP Impurity I (CAS 31690-11-6)
- Levofolinate Impurity 8 (CAS 4299-32-5)
- Calcium Levofolinate EP Impurity H (CAS 73951-54-9)
- Levofolinate EP Impurity H Calcium salt (CAS 73951-54-9（Free base）)
- Calcium levofolinate (CAS 80433-71-2)
- Calcium Levofolinate EP Impurity E Calcium salt (CAS 944737-05-7（free base）)
Recommended Standards
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- racemic-6,6-Dibromo-1,1-bi-2-naphthol (CAS 13185-00-7)
- Glucagon Monohydrochloride (CAS 28270-04-4)
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