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.
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 |
|---|---|
| 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
-
Explosive
GHS01
-
Flammable
GHS02
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
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.
Pricing & pack sizes
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.