Calcitonin Impurity 11 CAS 187476-38-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 187476-38-6 |
| Molecular Formula | C145H239N43O49S2 |
| Molecular Weight | 3432.84 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Calcitonin Impurity 11 (CAS 187476-38-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C145H239N43O49S2. Molecular weight: 3432.84 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C145H239N43O49S2 |
| Molecular Weight | 3432.84 g/mol |
| Purity | 97%+ |
| 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) | 48.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2010 |
| Nitrogen Atoms | 43 |
| Sulfur Atoms | 2 |
Related Calcitonin Standards
- Calcitonin Impurity 12 (CAS CATO-C4X-221812)
- Calcitonin Impurity 13 (CAS CATO-C4X-221813)
- Calcitonin EP Impurity B (CAS CATO-C4X-22182)
- Calcitonin Impurity 21 X TFA Salt (CAS CATO-C4X-221821)
- Calcitonin Salmon (CAS 47931-85-1)
- Calcitonin Impurity 24 (CAS CATO-C4X-221824)
- Calcitonin (eel) (H-2255.0001) (CAS 57014-02-5)
- [26-Pro]Calcitonin (CAS CATO-C4X-221823)
Recommended Standards
- Scyllatoxin (CAS 142948-19-4)
- b-Endorphin (equine) (H-5636.0001) (CAS 79495-86-6)
- [9-DLeu]Calcitonin (CAS CATO-C4X-221825)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
- Doxylamine impurity 24 (CAS CATO-C4X-178924)
- N-nitroso-colistin a hydrogen methanesulfonate-2 (CAS CATO-C4X-225547)
- (3,4-Difluorophenyl)(4-(hydroxymethyl)phenyl)methanone (CAS 1017598-62-7)
- Ethyl 2-methylpropanecarboximidate hydrochloride (CAS 52070-18-5)
- Zinc, [[α,α'-(o-phenylenedinitrilo)di-o-cresolato](2-)]- (CAS 21380-07-4)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
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