Thyroid (desiccated thyroid)

Thyroid: desiccated thyroid gland (T4 and T3).

Thyroid is tested to its USP monograph. Pricing is quoted.

Structure

Thyroid: 2D structure drawn from the PubChem record (CID 5819).

Compound data

CAS number

not listed

Formula

n/a

Molecular weight

n/a

Type

Desiccated thyroid gland (T4 and T3)

Structure and names

Identity: Thyroid, desiccated animal thyroid gland

Marker compounds: levothyroxine, T4 (CAS 51-48-9), liothyronine, T3 (CAS 6893-02-3)

How Vanguard tests Thyroid

The USP monograph covers identity by HPLC retention time, assay of levothyroxine and liothyronine by HPLC after hydrolysis, inorganic iodide by ion-selective electrode, and loss on drying.

Pricing is quoted. Send the material and the monograph edition your specification uses.

What's reported

Results of each monograph test, against the monograph limits or your specification

Tests and prices

Pricing is quoted. Testing to the USP monograph is priced for the tests your specification needs.

Sample amount and turnaround

We confirm the sample amount and turnaround with your quote. Send the material sealed and labeled, with the monograph and specification it should meet.

Salts, forms and compendial references

Thyroid
Tell us the salt or form the label states, so quantity is reported on the same basis.

Questions about Thyroid testing

Is the $250 test the same as USP monograph testing?

No. Thyroid (desiccated thyroid) does not fit the standard $250 identity, purity and quantity test, so it is tested to the USP Thyroid monograph. Pricing is quoted.

What does the test measure in desiccated thyroid?

Desiccated thyroid is dried gland tissue, not a single compound. The result reports the two thyroid hormones it contains, levothyroxine (T4) and liothyronine (T3), after the protein is broken down to release them.

Why does the ratio of T4 to T3 matter?

Labels state an amount of each hormone, and the two are measured separately. A ratio far from the label can point to a different source material or a blend.

What else is usually in the sample?

Desiccated thyroid is often mixed with a diluent such as lactose, starch or dextrose. These do not interfere with the hormone results but they lower the hormone content per gram.

Sources

https://pubchem.ncbi.nlm.nih.gov/compound/5819

Identity facts from the USP monograph header for this compound.

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