Molekula
3,3',5-Triiodothyroacetic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3,3',5-Triiodothyroacetic acid, free acid is a thyroid hormone analog used in research on thyroid function and metabolism. It is a potent inhibitor of deiodinase enzymes and serves as a tool in endocrinology studies. Available with a CAS number of 51-24-1, molecular formula C14H9I3O4, and molecular weight 621.93 g/mol. Store at -15 to -20 °C. Signal word: Warning. Molekula supplies 3,3',5-Triiodothyroacetic acid, free acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 mg — £73.20 per pack ex VAT · £87.84 inc. VAT
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1 g — £309.90 per pack ex VAT · £371.88 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White/ off white/ tan powder |
| Loss on Drying | 3.0% max |
| Chloride (Cl-) | 1.2% max |
| Total Impurities | <5% |
| Tiratricol | > 95 % |
| Lodides content | 0.08% max |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 34825450 |
| CAS Number | 51-24-1 |
| IUPAC Name | 2-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]acetic acid |
| EC Number | 200-086-1 |
| Molecular Formula | C14H9I3O4 |
| Molecular Weight | 621.93 |
| Exact Mass | 621.7635 |
| SMILES | C1=CC(=C(C=C1OC2=C(C=C(C=C2I)CC(=O)O)I)I)O |
| InChIKey | UOWZUVNAGUAEQC-UHFFFAOYSA-N |
| InChI | InChI=1S/C14H9I3O4/c15-9-6-8(1-2-12(9)18)21-14-10(16)3-7(4-11(14)17)5-13(19)20/h1-4,6,18H,5H2,(H,19,20) |
| PubChem CID | 5803 |
| REACH Code | Y110 |
| HTS Code | 2918.99.4350 |
| Tariff Code | 2918999090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P302+P352 IF ON SKIN: Wash with soap and water
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- 2-[4-(4-hydroxy-3-iodophenoxy)-3,5-diiodophenyl]acetic acid
- 3,5,3'-triiodothyroacetate
- 3,5,3'-triiodothyroacetic acid
- 4-(4-Hydroxy-3-iodophenoxy)-3,5-diiodobenzeneacetic acid
- T3-acetic acid
- Tiracana
- Tiratricol
- Tiratricolum
- Triac
- Triiodothyroacetic acid
Frequently asked questions
What is 3,3',5-Triiodothyroacetic acid used for?
It is primarily used in research related to thyroid hormone metabolism and receptor studies.
What is the chemical formula and molecular weight?
The formula is C14H9I3O4 with a molecular weight of 621.93 g/mol.
How should this compound be stored?
Store at -15 to -20 °C to maintain stability and prevent degradation.
What grade is available?
Available as research grade; not intended for human or animal consumption.
Can Molekula supply this in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with the order?
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.