Molekula
D-Thyroxine
D-Thyroxine is a synthetic form of the thyroid hormone thyroxine, used in research and clinical studies related to thyroid function and metabolism. It is a white to off-white crystalline powder with the molecular formula C15H11I4NO4 and a molecular weight of 776.87 g/mol. It is classified with a warning signal word due to its potent biological activity. Store at -15 to -20 °C. Molekula supplies D-Thyroxine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
D-Thyroxine is a synthetic form of the thyroid hormone thyroxine, used in research and clinical studies related to thyroid function and metabolism. It is a white to off-white crystalline powder with the molecular formula C15H11I4NO4 and a molecular weight of 776.87 g/mol. It is classified with a warning signal word due to its potent biological activity. Store at -15 to -20 °C. Molekula supplies D-Thyroxine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | off-white or light yellow powder |
| Water | <11.0% |
| Specific rotation | -16.5 to -20.5 |
| pH | 5 - 6 |
| Iodides Content | <0.08% |
| D-Levothyroxine | 97 - 103% |
| D-Liothyronine | <2.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Shelf Life | 24 months |
Identification
| Property | Value |
|---|---|
| CAS Number | 51-49-0 |
| Molecular Formula | C15H11I4NO4 |
| Molecular Weight | 776.87 |
| REACH Code | Y110 |
| Tariff Code | 29379000 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
Precautionary statements
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
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 D-Thyroxine used for?
D-Thyroxine is primarily used in research and pharmaceutical applications, particularly in studies related to thyroid hormone activity and metabolism.
What is the chemical formula and molecular weight of D-Thyroxine?
The formula is C15H11I4NO4 with a molecular weight of 776.87 g/mol.
How should D-Thyroxine be stored?
It should be stored at temperatures between -15 and -20 °C to maintain stability and prevent degradation.
What grade of D-Thyroxine is available?
Molekula supplies D-Thyroxine in research grade, suitable for laboratory use.
Can Molekula supply D-Thyroxine in bulk?
Yes, Molekula can provide D-Thyroxine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a D-Thyroxine order?
Each order includes a Certificate of Analysis (CoA) 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.