Levothyroxine Impurity 16 CAS 4192-14-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4192-14-7 |
| Molecular Formula | C15H13I2NO4 |
| Molecular Weight | 525.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Levothyroxine Impurity 16 (CAS 4192-14-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C15H13I2NO4. Molecular weight: 525.08 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C15H13I2NO4 |
| Molecular Weight | 525.08 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
Related Levothyroxine Standards
- rac-Levothyroxine EP Impurity J (3,3'-DL-Diiodothyronine) (CAS 70-40-6)
- Levothyroxine EP Impurity J (CAS 4604-41-5)
- Levothyroxine EP Impurity E (CAS 1041-01-6)
- Levothyroxine Impurity 37 (CAS 94345-95-6)
- Levothyroxine Impurity 18 (CAS 1155-40-4)
- Levothyroxine Impurity 38 (CAS 1027-28-7)
- Levothyroxine Impurity 58 (CAS 176258-87-0)
- Levothyroxine Impurity 42 (CAS 4618-45-5)
Recommended Standards
- 3,5-Diiodo-DL-thyronine (CAS 534-51-0)
- 3,5-Diiodo-D-thyronine (CAS 5563-89-3)
- VTP 27999 (CAS 942142-51-0)
- Methyl allyl(benzyl)carbamate (CAS 61357-21-9)
- 2-(3-Bromo-5-chloropyridin-2-yl)acetonitrile (CAS 1227515-01-6)
- 2-Amino-5-Anilino-[1,4]Benzoquinone-4-Phenylimine (CAS 86711-33-3)
- Benproperine Impurity 8 (CAS 124678-30-4)
- 2-methyl-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole (CAS 84461-65-4)
- 2,2-Difluoro-1-(4-methylpiperazin-1-yl)ethanone (CAS 121412-30-4)
- Semaglutide impurity 86 (CAS CATO-C4X-222686)
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