Valaciclovir Impurity 36 CAS 19542-54-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 19542-54-2 |
| Molecular Formula | C18H26N2O5 |
| Molecular Weight | 350.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Valaciclovir Impurity 36 (CAS 19542-54-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H26N2O5. Molecular weight: 350.41 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H26N2O5 |
| Molecular Weight | 350.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related Valaciclovir Standards
- Valaciclovir EP Impurity M (CAS 847670-62-6)
- Valaciclovir EP Impurity D (CAS 1346747-69-0)
- Valaciclovir Impurity 37 (CAS CATO-C4X-124837)
- Valaciclovir Impurity 42 (CAS 73504-31-1)
- Valaciclovir EP Impurity J (CAS 142963-63-1)
- Valaciclovir EP Impurity C (CAS 1346747-65-6)
- Valaciclovir EP Impurity R (CAS 142963-59-5)
- Valaciclovir EP Impurity R (CAS 142963-60-8)
Recommended Standards
- Terbutaline Impurity 58 (CAS CATO-C4X-118358)
- Avibactam Impurity 140 (CAS CATO-C4X-1348140)
- Rosuvastatin Impurity 242 (CAS CATO-C4X-1169242)
- Nalmefene impurity 20 (CAS 738552-29-9)
- Letrozole Impurity 36 (CAS CATO-C4X-182936)
- 2-(2-Methylpiperidin-1-yl)acetohydrazide (CAS 946686-25-5)
- Methyl 3-[4-(methylsulfanyl)phenyl]-5-nitrobenzoate (CAS 1820604-58-7)
- 1-(Furan-2-carbonyl)-4-(naphthalene-2-sulfonyl)piperazine (CAS 428827-12-7)
- 2-(4-(4-(1-hydroxyethyl)phenyl)-1H-1,2,3-triazol-1-yl)acetic acid (CAS 2035032-87-0)
- Insulin Degludec Impurity 11 (CAS CATO-C4X-215711)
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