I am going to give you a code snippet of mine because I feel like being helpful. Hope this helps!
protected ScrollRect scrollRect;
protected RectTransform contentPanel;
public void SnapTo(RectTransform target)
{
Canvas.ForceUpdateCanvases();
contentPanel.anchoredPosition =
(Vector2)scrollRect.transform.InverseTransformPoint(contentPanel.position)
- (Vector2)scrollRect.transform.InverseTransformPoint(target.position);
}