2-(3-Hydroxyadamantan-1-yl)-1-iminohexahydropyrrolo[1,2-a]pyrazin-4(1H)-one Hydrochloride is a Cyclic Amidineimpurity of oral anti-hyperglycemic drug Vildagliptin. This Vildagliptin impurity's CAS No is 2663700-61-4. Pharmaffiliates offers high purity impurity standards to fulfill the requirements of pharmaceutical companies for research & development. Pharmaceutical & non-pharmaceutical impurity standards are readily available for shipment at low prices from our extensive inventory. Visit https://www.pharmaffiliates.com or get in touch with our sales staff.