Vasopressin (ADH)

Vasopressin RIA and Vasopressin Direct RIA are for Research Use Only.  Not for use in diagnostic procedures in the US.

Health Canada License for Vasopressin Direct RIA: HC89115.


Anti-diuretic hormone (ADH), or [Arg8]-Vasopressin (AVP), is a peptide hormone produced by the hypothalamus and stored in the posterior part of pituitary gland. ADH acts on kidneys, concentrating urine by promoting the re-absorption of water from the cortical collecting duct.



Sensitivity 1.25 pg/ml
Specificity <0.001% cross-reactivity with Oxytocin
Reproducibility pre-measured standards and two controls

Product Information

Vasopressin Vasopressin Direct
Method 125I-RIA 125I-RIA
Time to results 48 h 48 h
Sample type 1 ml EDTA plasma & urine 0.8 ml EDTA plasma
Standard range 0.63-80  pg/ml 1.25-80  pg/ml
Sensitivity 0.4 pg/ml 0.75 pg/ml
Catalog Number see below see below

Downloads and Catalog Numbers

PDF Download [EN] (coming soon)

Downloads and Catalog Numbers not applicable for the U.S., customers from the U.S. see separate tab above.

Vasopressin RIA- RK-AR1-U
Vasopressin Direct RIA- RK-VPD-U

Vasopressin RIA- RK-AR1-U
Vasopressin Direct RIA- RK-VPD-U