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17-April-2012
Latest from Cerilliant - Certified Spiking Solutions® of thyroid hormones T3, reverse T3, and T4.


3,3',5-Triiodo-L-thyronine T-074
100 ug/mL in 0.1 N NH3 in Methanol

T3 or 3,3',5-Triiodo-L-thyronine is a thyroid hormone involved with many physiological processes in the human body including growth and development, metabolism, body temperature and heart rate. Free and total T3 serum levels are measured by LC-MS/MS for determination of hyperthyroidism caused by excess T3. This Certified Spiking Solution® is suitable for use as a starting material in preparation of linearity standards, calibrators, and controls for thyroid hormone testing methods by LC-MS/MS.

3,3',5’-Triiodo-L-thyronine T-075
100 ug/mL in 0.1 N NH3 in Methanol

Reverse T3, also known as rT3 or 3,3',5'-Triiodo-L-thyronine, is a biologically inactive form of the thyroid hormone T3 and is produced in the body particularly during periods of stress. Under certain conditions such as fibromyalgia, liver disease, and chronic fatigue syndrome (CFS), more rT3 is produced which minimizes the desirable conversion of thyroxine (T4) to T3. Reverse T3 serum concentrations are measured by LC-MS/MS to monitor impact of these and other diseases on thyroid hormone levels.

L-Thyroxine (T4) T-073
100 ug/mL in 0.1 N NH3 in Methanol

Thyroxine or T4 is a thyroid hormone responsible for regulation of the body's basal metabolic rate and essential for growth, development and heart and nervous system function. Free and total T4 serum levels are measured by LC-MS/MS for determination of hyper- or hypothyroidism as well as for monitoring treatment with synthetic thyroid hormones. This Certified Spiking Solution® is suitable for use in LC-MS/MS testing methods as starting materials in preparation of linearity standards, calibrators, and controls.



Cerilliant Certified Solution Standards and Certified Spiking Solutions are manufactured to the highest industry standards. We are accredited to ISO Guide 34 and ISO/IEC 17025 & certified to ISO 13485 and ISO 9001. Our quality system also incorporates cGMP and GLP requirements


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