Molekula
L-Thyroxine
L-Thyroxine is a synthetic thyroid hormone used in the treatment of hypothyroidism and thyroid cancer. It is a key compound in regulating metabolism and is available in various forms for medical and research applications. CAS: 51-48-9, Molecular Formula: C15H11I4NO4, Molecular Weight: 776.87 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies L-Thyroxine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
L-Thyroxine is a synthetic thyroid hormone used in the treatment of hypothyroidism and thyroid cancer. It is a key compound in regulating metabolism and is available in various forms for medical and research applications. CAS: 51-48-9, Molecular Formula: C15H11I4NO4, Molecular Weight: 776.87 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies L-Thyroxine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | Off-white to cream coloured powder |
| Specific rotation | -6.0 - -5.0° |
| Loss on Drying | 0.0 to 11.0 % |
| Purity | 98.0 -102.0 % |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 25797978 |
| CAS Number | 51-48-9 |
| Molecular Formula | C15H11I4NO4 |
| Molecular Weight | 776.87 |
| SMILES | C1=C(C=C(C(=C1I)OC2=CC(=C(C(=C2)I)O)I)I)C[C@@H](C(=O)O)N |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29379045 |
| Tariff Code | 2937900000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H370 Causes damage to organs
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P202 Do not handle until all safety precautions have been read and understood
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P308+313 IF exposed or concerned: Get medical advice/attention
For research and industrial use only
Documents
Safety Data Sheets (SDS)
Available in IT, FR, ES, DE, EN.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is L-Thyroxine used for?
L-Thyroxine is primarily used in the treatment of hypothyroidism and thyroid cancer. It is also used in research and diagnostic applications.
What is the chemical formula and molecular weight of L-Thyroxine?
The formula is C15H11I4NO4 with a molecular weight of 776.87 g/mol.
How should L-Thyroxine be stored?
Store at ambient temperature, protected from light and moisture.
What grade of L-Thyroxine does Molekula supply?
Molekula supplies L-Thyroxine in research grade.
Can Molekula supply L-Thyroxine in bulk?
Yes, Molekula can supply L-Thyroxine in bulk quantities—please contact us for pricing and availability.
What documentation comes with an order of L-Thyroxine?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.